Add screen corners

Commit message TBD https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1328
windowManager: Support prepending workspace with horizontal layouts
2020-06-24 01:16:50 +05:00 · 2020-06-20 08:15:44 +00:00 · 2020-06-19 13:44:15 +02:00 · 2020-06-18 10:54:31 -03:00 · 2020-06-18 10:54:31 -03:00 · 2020-06-18 10:54:31 -03:00
219 changed files with 25423 additions and 17977 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -60,7 +60,6 @@ src/calendar-server/evolution-calendar.desktop
 src/calendar-server/org.gnome.Shell.CalendarServer.service
 src/gnome-shell
 src/gnome-shell-calendar-server
-src/gnome-shell-extension-prefs
 src/gnome-shell-extension-tool
 src/gnome-shell-hotplug-sniffer
 src/gnome-shell-perf-helper
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -18,7 +18,7 @@ variables:
        - merge_requests

 check_commit_log:
-    image: registry.gitlab.gnome.org/gnome/mutter/master:v3
+    image: registry.gitlab.gnome.org/gnome/mutter/master:v4
    stage: review
    variables:
        GIT_DEPTH: "100"
@@ -28,10 +28,10 @@ check_commit_log:
        - merge_requests

 js_check:
-    image: registry.gitlab.gnome.org/gnome/gnome-shell/extension-ci:v1
+    image: registry.gitlab.gnome.org/gnome/gnome-shell/extension-ci:v2
    stage: review
    script:
-        - find js -name '*.js' -exec js60 -c -s '{}' ';' 2>&1 | tee $JS_LOG
+        - find js -name '*.js' -exec js68 -c -s '{}' ';' 2>&1 | tee $JS_LOG
        - (! grep -q . $JS_LOG)
    <<: *only_default
    artifacts:
@@ -40,7 +40,7 @@ js_check:
        when: on_failure

 eslint:
-    image: registry.gitlab.gnome.org/gnome/gnome-shell/extension-ci:v1
+    image: registry.gitlab.gnome.org/gnome/gnome-shell/extension-ci:v2
    stage: review
    script:
        - ./.gitlab-ci/run-eslint.sh
@@ -51,21 +51,21 @@ eslint:
        when: always

 potfile_check:
-    image: registry.gitlab.gnome.org/gnome/gnome-shell/extension-ci:v1
+    image: registry.gitlab.gnome.org/gnome/gnome-shell/extension-ci:v2
    stage: review
    script:
        - ./.gitlab-ci/check-potfiles.sh
    <<: *only_default

 no_template_check:
-    image: registry.gitlab.gnome.org/gnome/gnome-shell/extension-ci:v1
+    image: registry.gitlab.gnome.org/gnome/gnome-shell/extension-ci:v2
    stage: review
    script:
        - ./.gitlab-ci/check-template-strings.sh
    <<: *only_default

 build:
-    image: registry.gitlab.gnome.org/gnome/mutter/master:v3
+    image: registry.gitlab.gnome.org/gnome/mutter/master:v4
    stage: build
    before_script:
        - .gitlab-ci/checkout-mutter.sh
@@ -83,7 +83,7 @@ build:
            - build

 test:
-    image: registry.gitlab.gnome.org/gnome/mutter/master:v3
+    image: registry.gitlab.gnome.org/gnome/mutter/master:v4
    stage: test
    variables:
        XDG_RUNTIME_DIR: "$CI_PROJECT_DIR/runtime-dir"
@@ -100,7 +100,7 @@ test:
        when: on_failure

 test-pot:
-    image: registry.gitlab.gnome.org/gnome/mutter/master:v3
+    image: registry.gitlab.gnome.org/gnome/mutter/master:v4
    stage: test
    before_script:
        - ninja -C mutter/build install
@@ -124,11 +124,7 @@ flatpak:
        RUNTIME_REPO: "https://nightly.gnome.org/gnome-nightly.flatpakrepo"
        FLATPAK_MODULE: "gnome-extensions-app"
        APP_ID: "org.gnome.Extensions"
-        MESON_ARGS: "$SUBPROJECT"
    extends: .flatpak
-    before_script:
-        - flatpak run --command=$SUBPROJECT/generate-translations.sh
-                      --filesystem=host org.gnome.Sdk//master
    <<: *only_default

 nightly:
--- a/.gitlab-ci/Dockerfile
+++ b/.gitlab-ci/Dockerfile
@@ -0,0 +1,24 @@
+# Rebuild and push with
+#
+#     cd .gitlab-ci/
+#     podman build --format docker --no-cache -t registry.gitlab.gnome.org/gnome/gnome-shell/extension-ci:v2 .
+#     podman push registry.gitlab.gnome.org/gnome/gnome-shell/extension-ci:v2
+#
+
+FROM registry.fedoraproject.org/fedora:32
+
+RUN dnf -y update && dnf -y upgrade && \
+    dnf install -y 'dnf-command(copr)' git && \
+
+    # For syntax checks with `find . -name '*.js' -exec js68 -c -s '{}' ';'`
+    dnf install -y findutils mozjs68-devel && \
+
+    # For static analysis with eslint
+    dnf install -y nodejs && \
+    npm install -g eslint && \
+
+    # Shameless plug for my own tooling; useful for generating zip
+    dnf copr enable -y fmuellner/gnome-shell-ci && \
+    dnf install -y gnome-extensions-tool meson && \
+
+    dnf clean all
--- a/.gitlab-ci/Dockerfile.extension-ci
+++ b/.gitlab-ci/Dockerfile.extension-ci
@@ -1,18 +0,0 @@
-FROM registry.fedoraproject.org/fedora:latest
-
-RUN dnf -y update && dnf -y upgrade && \
-    dnf install -y 'dnf-command(copr)' git && \
-
-    # For syntax checks with `find . -name '*.js' -exec js60 -c -s '{}' ';'`
-    dnf install -y findutils mozjs60-devel && \
-
-    # For static analysis with eslint
-    dnf install -y nodejs && \
-    npm install -g eslint && \
-
-    # Shameless plug for my own tooling; useful for generating zip
-    dnf copr enable -y fmuellner/gnome-shell-ci && \
-    dnf install -y gnome-extensions-tool meson && \
-
-    dnf clean all && \
-    rm -rf /var/cache/dnf
--- a/.gitlab-ci/check-potfiles.sh
+++ b/.gitlab-ci/check-potfiles.sh
@@ -6,6 +6,11 @@ globs=('*.js' '*.c')
 # find source files that contain gettext keywords
 files=$(grep -lR ${globs[@]/#/--include=} '\(gettext\|[^I_)]_\)(' $srcdirs)

+# filter out excluded files
+if [ -f po/POTFILES.skip ]; then
+  files=$(for f in $files; do ! grep -q ^$f po/POTFILES.skip && echo $f; done)
+fi
+
 # find those that aren't listed in POTFILES.in
 missing=$(for f in $files; do ! grep -q ^$f po/POTFILES.in && echo $f; done)

--- a/.gitlab-ci/run-eslint.sh
+++ b/.gitlab-ci/run-eslint.sh
@@ -18,12 +18,14 @@ run_eslint() {
  local extra_args=ARGS_$1
  local output_var=OUTPUT_$1
  local output=${!output_var}
+  local cache=.eslintcache-${1,,}

  # ensure output exists even if eslint doesn't report any errors
  mkdir -p $(dirname $output)
  touch $output

-  eslint -f unix ${!extra_args} -o $output js subprojects/extensions-app/js
+  eslint -f unix --cache --cache-location $cache ${!extra_args} -o $output \
+    js subprojects/extensions-app/js
 }

 list_commit_range_additions() {
--- a/85
+++ b/85
@@ -1,3 +1,88 @@
+3.37.2
+======
+* Add support for "PrefersNonDefaultGPU" desktop key [Bastien; !1226]
+* Only start systemd units when running under systemd
+  [Carlos, Florian; #2755, !1242, !1252]
+* Fix "ghost" media controls [Bryan; #2776]
+* Fix zombie sockets from extensions downloader [Michael; #2774]
+* Update world clocks offsets when timezone changes [Bryan; #2209]
+* Support scrolling anywhere in slider menu items [Peter; #2795]
+* Fix "Do Not Disturb" setting getting reset on startup [Florian; #2804]
+* Only allow updates for extensions that aren't cached [Florian; !1248]
+* Fix matching notifications by PID [Florian; #2592]
+* Indicate extension errors in Extensions app [Florian; #2337]
+* Add clipboard API for querying supported mimetypes [Andy; #2819]
+* Add preview to color picker [Florian; #451]
+* Improve world clocks styling [PrOF-kk; #2825]
+* Remove Frequent view from app picker [Georges; !880]
+* Fix pad OSD glitches [Carlos; !1290]
+* Expose actor tree in looking glass [Georges; !1292]
+* Fixed crashes [Jonas D., Florian; #2709, #2757]
+* Misc. bug fixes and cleanups [Florian, AsciiWolf, Michael, Piotr, Ting-Wei,
+  Amr, Alexander, Bryan, Georges, Jonas D., Andy, Björn, Koki, Carlos; !1229,
+  !1231, !1233, !1235, #2578, #2735, #2751, #2602, #2777, !1249, #2796, !1268,
+  !1269, !1265, !1245, !1273, #2816, !1274, !1263, !1188, !1276, #2652, !1277,
+  !1281, #2286, !1267, !1286, !1279, !1288, !1293, !1294, !1291]
+
+Contributors:
+  AsciiWolf, Michael Catanzaro, Björn Daase, Jonas Dreßler, Bryan Dunsmore,
+  Koki Fukuda, Carlos Garnacho, Andy Holmes, Amr Ibrahim, Soslan Khubulov,
+  Ting-Wei Lan, Michael Lass, Alexander Mikhaylenko, Florian Müllner,
+  Georges Basile Stavracas Neto, Bastien Nocera, PrOF-kk, Peter Simonyi
+
+Translators:
+  Fabio Tomat [fur], Cheng-Chia Tseng [zh_TW], Yuri Chornoivan [uk],
+  Dušan Kazik [sk], Piotr Drąg [pl], Soslan Khubulov [os],
+  Daniel Mustieles [es], Nathan Follens [nl], Bruce Cowan [en_GB],
+  Florentina Mușat [ro], Milo Casagrande [it], Anders Jonsson [sv],
+  Charles Monzat [fr], Danial Behzadi [fa], sicklylife [ja], Kukuh Syafaat [id],
+  Jordi Mas [ca], Emin Tufan Çetin [tr], Jiri Grönroos [fi], Марко Костић [sr],
+  Christian Kirbach [de], Changwoo Ryu [ko], Matej Urbančič [sl]
+
+3.37.1
+======
+* Improve bluetooth submenu title [Mariana; #2340]
+* Add openPrefs() convenience method for extensions [Florian; !1163]
+* Bring back support for empty StIcons [Andre, Jonas D.; !1173, !1178]
+* Wake up screen when unlocking programmatically [Florian; !1158]
+* Improve extensions tool error reporting [Florian; #2391]
+* Improve handling of scale-factor changes [Georges; !1176]
+* Tone down weekend days with events in calendar [Jakub; #2588]
+* Fix showing bluetooth submenu when devices were set up [Florian; !1174]
+* Add support for parental controls filtering [Philip W.; !465]
+* Provide alternative extension templates [Florian; !812]
+* Improve weather section's empty state [Mariana; #2179]
+* Fix translations of folder names [Florian; #2623]
+* Drop Tweener [Jonas Å.; !1200]
+* Match ASCII alternatives of system actions [Will; #2688]
+* Fix delay on lock screen after entering wrong password [Jonas D.; #2655]
+* Use globalThis instead of window [Andy; #2322]
+* Inhibit remote access when disabled by session mode [Jonas Å.; !1210]
+* Improve calendar-server performance [Milan; #1875]
+* Add gnome-shell-extension-prefs wrapper for compatibility [Florian; !1220]
+* Fix stuck lock screen after unlock [Jonas D., Florian; #2446]
+* Fixed crashes [Jonas D., Florian, Carlos; #2584, #2625, !1223, !1218]
+* Misc. bug fixes and cleanups [Florian, Jonas Å., Marco, Andre, Georges,
+  Jonas D., Jan, Philip Ch.,, Xiaoguang, Will, Jordan, Matthew, qarmin;
+  !1126, !1155, !1156, !1165, !1168, !1169, #2551, #2563, !1172, !1175, !1179,
+  !1160, #2562, #2578, !1184, #2559, !1186, #2607, !1191, !1194, !1199, !1203,
+  #2649, #2628, !1205, !1206, !1208, !1207, !1211, !1214, !1213, !1192, !1217,
+  !1219, #1615, #2691, !1094, !1177]
+
+Contributors:
+  Marco Trevisan (Treviño), Philip Chimento, Milan Crha, Jonas Dreßler,
+  Carlos Garnacho, Andy Holmes, Matthew Leeds, Andre Moreira Magalhaes,
+  Florian Müllner, Georges Basile Stavracas Neto, Jordan Petridis,
+  Mariana Picolo, Jakub Steiner, Will Thompson, Jan Tojnar, Xiaoguang Wang,
+  Philip Withnall, qarmin, Jonas Ådahl
+
+Translators:
+  Fabio Tomat [fur], Cheng-Chia Tseng [zh_TW], Danial Behzadi [fa],
+  Jiri Grönroos [fi], Ibai Oihanguren Sala [eu], Марко Костић [sr],
+  Rūdolfs Mazurs [lv], Yuri Chornoivan [uk], Carmen Bianca BAKKER [eo],
+  Dingzhong Chen [zh_CN], Rafael Fontenelle [pt_BR], Petr Kovář [cs],
+  Asier Sarasua Garmendia [eu], Daniel Mustieles [es], Emin Tufan Çetin [tr]
+
 3.36.0
 ======
 * Fix off-by-1900 error in date conversions [Florian; !1061]
--- a/data/dbus-interfaces/org.gnome.Shell.CalendarServer.xml
+++ b/data/dbus-interfaces/org.gnome.Shell.CalendarServer.xml
@@ -1,12 +1,19 @@
 <node>
  <interface name="org.gnome.Shell.CalendarServer">
-    <method name="GetEvents">
-      <arg type="x" direction="in" />
-      <arg type="x" direction="in" />
-      <arg type="b" direction="in" />
-      <arg type="a(sssbxxa{sv})" direction="out" />
+    <method name="SetTimeRange">
+      <arg type="x" name="since" direction="in"/>
+      <arg type="x" name="until" direction="in"/>
+      <arg type="b" name="force_reload" direction="in"/>
    </method>
+    <signal name="EventsAddedOrUpdated">
+      <arg type="a(ssbxxa{sv})" name="events" direction="out"/>
+    </signal>
+    <signal name="EventsRemoved">
+      <arg type="as" name="ids" direction="out"/>
+    </signal>
+    <signal name="ClientDisappeared">
+      <arg type="s" name="source_uid" direction="out"/>
+    </signal>
    <property name="HasCalendars" type="b" access="read" />
-    <signal name="Changed" />
  </interface>
 </node>
--- a/data/gnome-shell-dbus-interfaces.gresource.xml
+++ b/data/gnome-shell-dbus-interfaces.gresource.xml
@@ -2,7 +2,6 @@
 <gresources>
  <gresource prefix="/org/gnome/shell/dbus-interfaces">
    <file preprocess="xml-stripblanks">net.hadess.SensorProxy.xml</file>
-    <file preprocess="xml-stripblanks">net.hadess.SwitcherooControl.xml</file>
    <file preprocess="xml-stripblanks">org.freedesktop.Application.xml</file>
    <file preprocess="xml-stripblanks">org.freedesktop.bolt1.Device.xml</file>
    <file preprocess="xml-stripblanks">org.freedesktop.bolt1.Manager.xml</file>
--- a/data/gnome-shell-theme.gresource.xml
+++ b/data/gnome-shell-theme.gresource.xml
@@ -6,6 +6,7 @@
    <file>checkbox-off-focused.svg</file>
    <file>checkbox-off.svg</file>
    <file>checkbox.svg</file>
+    <file alias="icons/color-pick.svg">color-pick.svg</file>
    <file>dash-placeholder.svg</file>
    <file>gnome-shell.css</file>
    <file>gnome-shell-high-contrast.css</file>
--- a/data/icons/hicolor/scalable/apps/org.gnome.Shell.Extensions.svg
+++ b/data/icons/hicolor/scalable/apps/org.gnome.Shell.Extensions.svg
--- a/data/icons/hicolor/symbolic/apps/org.gnome.Shell.Extensions-symbolic.svg
+++ b/data/icons/hicolor/symbolic/apps/org.gnome.Shell.Extensions-symbolic.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><path d="M6.5 1.031c-.371 0-.742-.035-1.11.016-.367.05-.73.203-.972.476-.125.141-.215.309-.266.485-.047.18-.054.367-.02.55.032.184.102.356.192.516.09.164.203.309.317.457L5 4H2a1.8 1.8 0 00-.41.035.791.791 0 00-.36.195.791.791 0 00-.195.36C1 4.723 1 4.863 1 5v2.75l.77-.344c.265-.117.542-.23.832-.242.289-.016.586.074.812.254.227.18.383.441.465.723.082.277.101.57.121.859.02.316.04.637-.016.95-.058.312-.199.616-.43.831a1.264 1.264 0 01-.874.32c-.317-.007-.618-.128-.91-.257L1 10.5V14c0 .137.004.277.035.41a.791.791 0 00.195.36c.098.097.227.16.36.195.133.035.273.035.41.035h3l-.328-.68c-.14-.293-.274-.597-.29-.922-.015-.32.095-.652.31-.894.214-.242.523-.39.84-.453.316-.067.644-.059.968-.059.324 0 .652-.008.969.059.316.062.625.21.84.453.214.242.324.574.308.894-.015.325-.148.63-.289.922L8 15h3a1.8 1.8 0 00.41-.035.791.791 0 00.36-.195.791.791 0 00.195-.36C12 14.277 12 14.137 12 14v-3.563l.703.297c.29.125.59.239.902.246.313.004.63-.101.864-.308.238-.203.386-.496.46-.8C15 9.565 15 9.25 15 8.937c0-.313 0-.63-.07-.934-.075-.305-.223-.598-.461-.8a1.288 1.288 0 00-.864-.31c-.312.008-.613.122-.902.247L12 7.437V5a1.8 1.8 0 00-.035-.41.791.791 0 00-.195-.36.791.791 0 00-.36-.195C11.277 4 11.137 4 11 4H8l.36-.469c.113-.148.226-.293.316-.457.09-.16.16-.332.191-.515a1.248 1.248 0 00-.02-.551 1.256 1.256 0 00-.265-.485c-.242-.273-.605-.425-.973-.476-.367-.05-.738-.016-1.109-.016zm0 0" fill="#474747"/></svg>
--- a/data/icons/meson.build
+++ b/data/icons/meson.build
@@ -0,0 +1 @@
+install_subdir('hicolor', install_dir: icondir)
--- a/data/meson.build
+++ b/data/meson.build
@@ -1,5 +1,6 @@
 desktop_files = [
  'org.gnome.Shell.desktop',
+  'org.gnome.Shell.Extensions.desktop',
 ]
 service_files = []

@@ -42,6 +43,7 @@ endforeach


 subdir('dbus-interfaces')
+subdir('icons')
 subdir('theme')

 data_resources = [
--- a/data/org.gnome.Shell.Extensions.desktop.in.in
+++ b/data/org.gnome.Shell.Extensions.desktop.in.in
@@ -0,0 +1,10 @@
+[Desktop Entry]
+Type=Application
+# Keep in sync with subprojects/extensions-app
+Name=Extensions
+# Translators: Do NOT translate or transliterate this text (this is an icon file name)!
+Icon=org.gnome.Shell.Extensions
+# Never launch this, just provide name+icon to portal dialog
+Exec=false
+OnlyShowIn=GNOME;
+NoDisplay=true
--- a/data/theme/color-pick.svg
+++ b/data/theme/color-pick.svg
@@ -0,0 +1,94 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="5.4116011mm"
+   height="5.1374583mm"
+   viewBox="0 0 5.4116011 5.1374583"
+   version="1.1"
+   id="svg5595"
+   inkscape:version="0.92.4 (unknown)"
+   sodipodi:docname="color-pick.svg">
+  <defs
+     id="defs5589">
+    <filter
+       inkscape:collect="always"
+       x="-0.10291173"
+       width="1.2058235"
+       y="-0.065432459"
+       height="1.1308649"
+       id="filter5601"
+       style="color-interpolation-filters:sRGB">
+      <feGaussianBlur
+         inkscape:collect="always"
+         stdDeviation="0.610872"
+         id="feGaussianBlur5603" />
+    </filter>
+  </defs>
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="15.839192"
+     inkscape:cx="39.387731"
+     inkscape:cy="12.554326"
+     inkscape:document-units="mm"
+     inkscape:current-layer="layer1"
+     showgrid="false"
+     inkscape:window-width="1920"
+     inkscape:window-height="1016"
+     inkscape:window-x="0"
+     inkscape:window-y="27"
+     inkscape:window-maximized="1"
+     fit-margin-top="0"
+     fit-margin-left="0"
+     fit-margin-right="0"
+     fit-margin-bottom="0" />
+  <metadata
+     id="metadata5592">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(-103.12753,-146.26461)">
+    <circle
+       r="8.4810486"
+       cy="9.82623"
+       cx="10.226647"
+       id="circle7584"
+       style="color:#000000;display:inline;overflow:visible;opacity:0.6;vector-effect:none;fill:#000000;fill-opacity:1;stroke:#000000;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:10;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;marker-start:none;marker-mid:none;marker-end:none;paint-order:normal;filter:url(#filter5601)"
+       transform="matrix(0.26458333,0,0,0.26458333,103.12753,146.26461)" />
+    <path
+       style="color:#000000;display:inline;overflow:visible;opacity:1;vector-effect:none;fill:#000000;fill-opacity:1;stroke:#ffffff;stroke-width:0.26399338;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:10;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;marker-start:none;marker-mid:none;marker-end:none;paint-order:normal"
+       d="m 108.07728,148.64122 c 0,1.2393 -1.00465,2.24394 -2.24395,2.24394 -1.23929,0 -2.24716,-1.00465 -2.25221,-2.24394 l -0.009,-2.24458 2.26136,6.4e-4 c 1.2393,3.4e-4 2.24395,1.00464 2.24395,2.24394 z"
+       id="path7523-7"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="ssscss" />
+    <circle
+       style="color:#000000;display:inline;overflow:visible;opacity:1;vector-effect:none;fill:#50dbb5;fill-opacity:1;stroke:none;stroke-width:0.36885914;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:10;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;marker-start:none;marker-mid:none;marker-end:none;paint-order:normal"
+       id="path7482-1"
+       cx="105.83707"
+       cy="148.64352"
+       r="1.844296" />
+  </g>
+</svg>
--- a/data/theme/gnome-shell-sass/widgets/_app-grid.scss
+++ b/data/theme/gnome-shell-sass/widgets/_app-grid.scss
@@ -1,21 +1,15 @@
 /* App Grid */

 $app_icon_size: 96px;
-$app_icon_padding: 24px;

 // app icons
 .icon-grid {
-  -shell-grid-horizontal-item-size: $app_icon_size + $app_icon_padding * 2;
-  -shell-grid-vertical-item-size: $app_icon_size + $app_icon_padding * 2;
-  spacing: $base_spacing * 6;
-
-  .overview-icon {
-    icon-size: $app_icon_size;
-  }
+  row-spacing: $base_spacing * 6;
+  column-spacing: $base_spacing * 6;
+  max-row-spacing: $base_spacing * 12;
+  max-column-spacing: $base_spacing * 12;
 }

-//.app-display { spacing: 20px; }
-
 /* App Icons */

 $app_grid_fg_color: #fff;
@@ -44,8 +38,8 @@ $app_grid_fg_color: #fff;
 .app-folder-dialog {
  border-radius: $modal_radius * 1.5;
  border: 1px solid $osd_outer_borders_color;
-  spacing: 12px;
  background-color: transparentize(darken($osd_bg_color,10%), 0.05);
+  padding: 12px;

  & .folder-name-container {
    padding: 24px 36px 0;
@@ -54,7 +48,7 @@ $app_grid_fg_color: #fff;
    & .folder-name-label,
    & .folder-name-entry {
      font-size: 18pt;
-      font-weight: bold;
+      font-weight: 800;
    }

    & .folder-name-entry { width: 300px }
@@ -73,11 +67,24 @@ $app_grid_fg_color: #fff;
      & > StIcon { icon-size: 16px }
    }
  }
+
+  & .icon-grid {
+    row-spacing: $base_spacing * 2;
+    column-spacing: $base_spacing * 5;
+  }
+
+  & .page-indicators {
+    margin-bottom: 18px;
+
+    .page-indicator {
+      padding: 15px 12px;
+    }
+  }
 }
 .app-folder-dialog-container {
  padding: 12px;
-  width: 800px;
-  height: 600px;
+  width: 620px;
+  height: 620px;
 }

 .app-folder-icon {
@@ -123,15 +130,11 @@ $app_grid_fg_color: #fff;
 }

 // Some hacks I don't even know
-.all-apps,
-.frequent-apps > StBoxLayout {
+.all-apps {
  // horizontal padding to make sure scrollbars or dash don't overlap content
  padding: 0px 88px 10px 88px;
 }

-// Label when no frequent apps
-.no-frequent-applications-label { @extend %status_text; }
-
 // shutdown and other actions in the grid
 .system-action-icon {
  background-color: rgba(0,0,0,0.8);
@@ -139,44 +142,3 @@ $app_grid_fg_color: #fff;
  border-radius: 99px;
  icon-size: $app_icon_size * 0.5;
 }
-
-/* Frequent | All toggle */
-
-// container
-.app-view-controls { 
-  padding-bottom: 32px;
-}
-
-// buttons
-.app-view-control {
-  padding: 4px 32px;
-  margin: 0 4px;
-
-  &, &:hover, &:checked {
-    @include button(undecorated);
-    color: darken($osd_fg_color, 25%);
-  }
-
-  &:hover {
-    color: $osd_fg_color;
-    box-shadow: inset 0 -2px darken($osd_fg_color, 25%);
-  }
-
-  &:active {
-    box-shadow: inset 0 -2px $osd_fg_color;
-  }
-
-  &:checked {
-    color: $osd_fg_color;
-    box-shadow: inset 0 -2px $selected_bg_color;
-  }
-
-  &:first-child {
-    border-right-width: 0;
-    border-radius: 0;
-  }
-
-  &:last-child {
-    border-radius: 0;
-  }
-}
--- a/data/theme/gnome-shell-sass/widgets/_calendar.scss
+++ b/data/theme/gnome-shell-sass/widgets/_calendar.scss
@@ -153,9 +153,11 @@
  }

  .calendar-day-with-events {
-    color: lighten($fg_color,10%);
-    font-weight: bold;
    background-image: url("resource:///org/gnome/shell/theme/calendar-today.svg");
+    &.calendar-work-day {
+       color: lighten($fg_color,10%);
+       font-weight: bold;
+    }
  }

  .calendar-other-month-day {
@@ -175,6 +177,32 @@
  }
 }

+/* Events */
+.events-button {
+  @include notification_bubble;
+  padding: $base_padding * 2;
+
+  .events-box {
+    spacing: $base_spacing;
+  }
+
+  .events-list {
+    spacing: 2 * $base_spacing;
+  }
+
+  .events-title {
+    color: desaturate(darken($fg_color,40%), 10%);
+    font-weight: bold;
+    margin-bottom: $base_margin;
+  }
+
+  .event-time {
+    color: darken($fg_color,20%);
+    font-feature-settings: "tnum";
+    @include fontsize($base_font_size - 1);
+  }
+}
+
 /* World clocks */
 .world-clocks-button {
  @include notification_bubble;
@@ -202,7 +230,7 @@
  .world-clocks-time {
    font-weight: bold;
    color: $fg_color;
-    font-feature-settings: "lnum";
+    font-feature-settings: "tnum";
    @include fontsize($base_font_size);
    text-align: right;
  }
--- a/data/theme/gnome-shell-sass/widgets/_looking-glass.scss
+++ b/data/theme/gnome-shell-sass/widgets/_looking-glass.scss
@@ -1,5 +1,7 @@
 /* Looking Glass */

+$text_fg_color: #ccc;
+
 // Dialog
 #LookingGlassDialog {
  background-color: $osd_bg_color;
@@ -52,6 +54,11 @@
    &:hover { color: lighten($link_color, 10%); }
    &:active { color: darken($link_color, 10%); }
   }
+  .actor-link {
+    color: $text_fg_color;
+    &:hover { color: lighten($text_fg_color, 20%); }
+    &:active { color: darken($text_fg_color, 20%); }
+   }
 }

 .lg-completions-text {
--- a/data/theme/gnome-shell-sass/widgets/_misc.scss
+++ b/data/theme/gnome-shell-sass/widgets/_misc.scss
@@ -53,3 +53,8 @@
  @include fontsize($base_font_size - 1);
  color: $warning_color;
 }
+
+.screen-corner {
+  -screen-corner-radius: $panel_corner_radius;
+  -screen-corner-background-color: black;
+}
--- a/data/theme/gnome-shell-sass/widgets/_search-results.scss
+++ b/data/theme/gnome-shell-sass/widgets/_search-results.scss
@@ -54,6 +54,10 @@
  @extend %status_text;
 }

+.grid-search-results {
+  spacing: $base_spacing * 6;
+}
+
 // Search results with icons
 .grid-search-result {
  @extend %app-well-app;
--- a/data/theme/gnome-shell-sass/widgets/_window-picker.scss
+++ b/data/theme/gnome-shell-sass/widgets/_window-picker.scss
@@ -8,6 +8,7 @@ $window_thumbnail_border_color:transparentize($selected_fg_color, 0.65);
 $window_close_button_size: 24px;
 $window_close_button_padding: 3px;

+$window_clone_border_size: 6px;

 // Window picker
 .window-picker {
@@ -22,7 +23,7 @@ $window_close_button_padding: 3px;

 // Borders on window thumbnails
 .window-clone-border {
-  border-width: 6px;
+  border-width: $window_clone_border_size;
  border-style: solid;
  border-color: $window_thumbnail_border_color;
  border-radius: $base_border_radius + 2;
@@ -54,8 +55,6 @@ $window_close_button_padding: 3px;
  width: $window_close_button_size;
  box-shadow: -1px 1px 5px 0px rgba(0,0,0,0.5);

-  -shell-close-overlap: $window_close_button_size * 0.5;
-
  &:hover {
    background-color: lighten($selected_bg_color, 5%);
  }
--- a/js/dbusServices/notifications/notificationDaemon.js
+++ b/js/dbusServices/notifications/notificationDaemon.js
@@ -9,6 +9,8 @@ const { ServiceImplementation } = imports.dbusService;
 const NotificationsIface = loadInterfaceXML('org.freedesktop.Notifications');
 const NotificationsProxy = Gio.DBusProxy.makeProxyWrapper(NotificationsIface);

+Gio._promisify(Gio.DBusConnection.prototype, 'call', 'call_finish');
+
 var NotificationDaemon = class extends ServiceImplementation {
    constructor() {
        super(NotificationsIface, '/org/freedesktop/Notifications');
@@ -42,7 +44,15 @@ var NotificationDaemon = class extends ServiceImplementation {
            null, null);
    }

-    NotifyAsync(params, invocation) {
+    async NotifyAsync(params, invocation) {
+        const pid = await this._getSenderPid(invocation.get_sender());
+        const hints = params[6];
+
+        params[6] = {
+            ...hints,
+            'sender-pid': new GLib.Variant('u', pid),
+        };
+
        this._proxy.NotifyRemote(...params, (res, error) => {
            if (this._handleError(invocation, error))
                return;
@@ -77,4 +87,19 @@ var NotificationDaemon = class extends ServiceImplementation {
            invocation.return_value(new GLib.Variant('(ssss)', res));
        });
    }
+
+    async _getSenderPid(sender) {
+        const res = await Gio.DBus.session.call(
+            'org.freedesktop.DBus',
+            '/',
+            'org.freedesktop.DBus',
+            'GetConnectionUnixProcessID',
+            new GLib.Variant('(s)', [sender]),
+            new GLib.VariantType('(u)'),
+            Gio.DBusCallFlags.NONE,
+            -1,
+            null);
+        const [pid] = res.deepUnpack();
+        return pid;
+    }
 };
--- a/js/gdm/authPrompt.js
+++ b/js/gdm/authPrompt.js
@@ -184,7 +184,7 @@ var AuthPrompt = GObject.registerClass({
        });
        this._defaultButtonWell.add_constraint(new Clutter.BindConstraint({
            source: this.cancelButton,
-            coordinate: Clutter.BindCoordinate.SIZE,
+            coordinate: Clutter.BindCoordinate.WIDTH,
        }));
        this._mainBox.add_child(this._defaultButtonWell);

@@ -424,7 +424,13 @@ var AuthPrompt = GObject.registerClass({
    }

    updateSensitivity(sensitive) {
+        if (this._entry.reactive === sensitive)
+            return;
+
        this._entry.reactive = sensitive;
+
+        if (sensitive)
+            this._entry.grab_key_focus();
    }

    vfunc_hide() {
--- a/js/gdm/loginDialog.js
+++ b/js/gdm/loginDialog.js
@@ -589,8 +589,8 @@ var LoginDialog = GObject.registerClass({
        return actorBox;
    }

-    vfunc_allocate(dialogBox, flags) {
-        this.set_allocation(dialogBox, flags);
+    vfunc_allocate(dialogBox) {
+        this.set_allocation(dialogBox);

        let themeNode = this.get_theme_node();
        dialogBox = themeNode.get_content_box(dialogBox);
@@ -719,19 +719,19 @@ var LoginDialog = GObject.registerClass({

        // Finally hand out the allocations
        if (bannerAllocation)
-            this._bannerView.allocate(bannerAllocation, flags);
+            this._bannerView.allocate(bannerAllocation);

        if (authPromptAllocation)
-            this._authPrompt.allocate(authPromptAllocation, flags);
+            this._authPrompt.allocate(authPromptAllocation);

        if (userSelectionAllocation)
-            this._userSelectionBox.allocate(userSelectionAllocation, flags);
+            this._userSelectionBox.allocate(userSelectionAllocation);

        if (logoAllocation)
-            this._logoBin.allocate(logoAllocation, flags);
+            this._logoBin.allocate(logoAllocation);

        if (sessionMenuButtonAllocation)
-            this._sessionMenuButton.allocate(sessionMenuButtonAllocation, flags);
+            this._sessionMenuButton.allocate(sessionMenuButtonAllocation);
    }

    _ensureUserListLoaded() {
@@ -810,12 +810,13 @@ var LoginDialog = GObject.registerClass({
            return;

        this._logoBin.destroy_all_children();
-        if (this._logoFile && this._logoBin.resource_scale > 0) {
+        const [valid, resourceScale] = this._logoBin.get_resource_scale();
+        if (this._logoFile && valid) {
            let scaleFactor = St.ThemeContext.get_for_stage(global.stage).scale_factor;
            this._logoBin.add_child(this._textureCache.load_file_async(this._logoFile,
                                                                       -1, -1,
                                                                       scaleFactor,
-                                                                       this._logoBin.resource_scale));
+                                                                       resourceScale));
        }
    }

--- a/js/gdm/util.js
+++ b/js/gdm/util.js
@@ -2,7 +2,7 @@
 /* exported BANNER_MESSAGE_KEY, BANNER_MESSAGE_TEXT_KEY, LOGO_KEY,
            DISABLE_USER_LIST_KEY, fadeInActor, fadeOutActor, cloneAndFadeOutActor */

-const { Clutter, Gio, GLib } = imports.gi;
+const { Clutter, Gdm, Gio, GLib } = imports.gi;
 const Signals = imports.signals;

 const Batch = imports.gdm.batch;
@@ -12,6 +12,15 @@ const Main = imports.ui.main;
 const Params = imports.misc.params;
 const SmartcardManager = imports.misc.smartcardManager;

+Gio._promisify(Gdm.Client.prototype,
+    'open_reauthentication_channel', 'open_reauthentication_channel_finish');
+Gio._promisify(Gdm.Client.prototype,
+    'get_user_verifier', 'get_user_verifier_finish');
+Gio._promisify(Gdm.UserVerifierProxy.prototype,
+    'call_begin_verification_for_user', 'call_begin_verification_for_user_finish');
+Gio._promisify(Gdm.UserVerifierProxy.prototype,
+    'call_begin_verification', 'call_begin_verification_finish');
+
 var PASSWORD_SERVICE_NAME = 'gdm-password';
 var FINGERPRINT_SERVICE_NAME = 'gdm-fingerprint';
 var SMARTCARD_SERVICE_NAME = 'gdm-smartcard';
@@ -168,14 +177,12 @@ var ShellUserVerifier = class {

        this._checkForFingerprintReader();

-        if (userName) {
-            // If possible, reauthenticate an already running session,
-            // so any session specific credentials get updated appropriately
-            this._client.open_reauthentication_channel(userName, this._cancellable,
-                                                       this._reauthenticationChannelOpened.bind(this));
-        } else {
-            this._client.get_user_verifier(this._cancellable, this._userVerifierGot.bind(this));
-        }
+        // If possible, reauthenticate an already running session,
+        // so any session specific credentials get updated appropriately
+        if (userName)
+            this._openReauthenticationChannel(userName);
+        else
+            this._getUserVerifier();
    }

    cancel() {
@@ -339,10 +346,11 @@ var ShellUserVerifier = class {
        this._verificationFailed(false);
    }

-    _reauthenticationChannelOpened(client, result) {
+    async _openReauthenticationChannel(userName) {
        try {
            this._clearUserVerifier();
-            this._userVerifier = client.open_reauthentication_channel_finish(result);
+            this._userVerifier = await this._client.open_reauthentication_channel(
+                userName, this._cancellable);
        } catch (e) {
            if (e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED))
                return;
@@ -351,8 +359,7 @@ var ShellUserVerifier = class {
                // Gdm emits org.freedesktop.DBus.Error.AccessDenied when there
                // is no session to reauthenticate. Fall back to performing
                // verification from this login session
-                client.get_user_verifier(this._cancellable,
-                                         this._userVerifierGot.bind(this));
+                this._getUserVerifier();
                return;
            }

@@ -366,10 +373,11 @@ var ShellUserVerifier = class {
        this._hold.release();
    }

-    _userVerifierGot(client, result) {
+    async _getUserVerifier() {
        try {
            this._clearUserVerifier();
-            this._userVerifier = client.get_user_verifier_finish(result);
+            this._userVerifier =
+                await this._client.get_user_verifier(this._cancellable);
        } catch (e) {
            if (e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED))
                return;
@@ -421,35 +429,25 @@ var ShellUserVerifier = class {
        }
    }

-    _startService(serviceName) {
+    async _startService(serviceName) {
        this._hold.acquire();
-        if (this._userName) {
-            this._userVerifier.call_begin_verification_for_user(serviceName, this._userName, this._cancellable, (obj, result) => {
-                try {
-                    obj.call_begin_verification_for_user_finish(result);
-                } catch (e) {
-                    if (e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED))
-                        return;
-                    this._reportInitError('Failed to start verification for user', e);
-                    return;
-                }
-
-                this._hold.release();
-            });
-        } else {
-            this._userVerifier.call_begin_verification(serviceName, this._cancellable, (obj, result) => {
-                try {
-                    obj.call_begin_verification_finish(result);
-                } catch (e) {
-                    if (e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED))
-                        return;
-                    this._reportInitError('Failed to start verification', e);
-                    return;
-                }
-
-                this._hold.release();
-            });
+        try {
+            if (this._userName) {
+                await this._userVerifier.call_begin_verification_for_user(
+                    serviceName, this._userName, this._cancellable);
+            } else {
+                await this._userVerifier.call_begin_verification(
+                    serviceName, this._cancellable);
+            }
+        } catch (e) {
+            if (e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED))
+                return;
+            this._reportInitError(this._userName
+                ? 'Failed to start verification for user'
+                : 'Failed to start verification', e);
+            return;
        }
+        this._hold.release();
    }

    _beginVerification() {
--- a/js/js-resources.gresource.xml
+++ b/js/js-resources.gresource.xml
@@ -23,6 +23,7 @@
    <file>misc/modemManager.js</file>
    <file>misc/objectManager.js</file>
    <file>misc/params.js</file>
+    <file>misc/parentalControlsManager.js</file>
    <file>misc/permissionStore.js</file>
    <file>misc/smartcardManager.js</file>
    <file>misc/systemActions.js</file>
@@ -88,6 +89,7 @@
    <file>ui/remoteSearch.js</file>
    <file>ui/ripples.js</file>
    <file>ui/runDialog.js</file>
+    <file>ui/screenCorner.js</file>
    <file>ui/screenShield.js</file>
    <file>ui/screencast.js</file>
    <file>ui/screenshot.js</file>
@@ -101,13 +103,13 @@
    <file>ui/swipeTracker.js</file>
    <file>ui/switcherPopup.js</file>
    <file>ui/switchMonitor.js</file>
-    <file>ui/tweener.js</file>
    <file>ui/unlockDialog.js</file>
    <file>ui/userWidget.js</file>
    <file>ui/viewSelector.js</file>
    <file>ui/windowAttentionHandler.js</file>
    <file>ui/windowMenu.js</file>
    <file>ui/windowManager.js</file>
+    <file>ui/windowPreview.js</file>
    <file>ui/workspace.js</file>
    <file>ui/workspaceSwitcherPopup.js</file>
    <file>ui/workspaceThumbnail.js</file>
--- a/js/misc/extensionUtils.js
+++ b/js/misc/extensionUtils.js
@@ -1,7 +1,7 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 /* exported ExtensionState, ExtensionType, getCurrentExtension,
-   getSettings, initTranslations, isOutOfDate, installImporter,
-   serializeExtension, deserializeExtension */
+   getSettings, initTranslations, openPrefs, isOutOfDate,
+   installImporter, serializeExtension, deserializeExtension */

 // Common utils for the extension system and the extension
 // preferences tool
@@ -153,6 +153,27 @@ function getSettings(schema) {
    return new Gio.Settings({ settings_schema: schemaObj });
 }

+/**
+ * openPrefs:
+ *
+ * Open the preference dialog of the current extension
+ */
+function openPrefs() {
+    const extension = getCurrentExtension();
+
+    if (!extension)
+        throw new Error('openPrefs() can only be called from extensions');
+
+    try {
+        const extensionManager = imports.ui.main.extensionManager;
+        extensionManager.openExtensionPrefs(extension.uuid, '', {});
+    } catch (e) {
+        if (e.name === 'ImportError')
+            throw new Error('openPrefs() cannot be called from preferences');
+        logError(e, 'Failed to open extension preferences');
+    }
+}
+
 /**
 * versionCheck:
 * @param {string[]} required - an array of versions we're compatible with
--- a/js/misc/ibusManager.js
+++ b/js/misc/ibusManager.js
@@ -6,6 +6,15 @@ const Signals = imports.signals;

 const IBusCandidatePopup = imports.ui.ibusCandidatePopup;

+Gio._promisify(IBus.Bus.prototype,
+    'list_engines_async', 'list_engines_async_finish');
+Gio._promisify(IBus.Bus.prototype,
+    'request_name_async', 'request_name_async_finish');
+Gio._promisify(IBus.Bus.prototype,
+    'get_global_engine_async', 'get_global_engine_async_finish');
+Gio._promisify(IBus.Bus.prototype,
+    'set_global_engine_async', 'set_global_engine_async_finish');
+
 // Ensure runtime version matches
 _checkIBusVersion(1, 5, 2);

@@ -102,16 +111,14 @@ var IBusManager = class {

    _onConnected() {
        this._cancellable = new Gio.Cancellable();
-        this._ibus.list_engines_async(-1, this._cancellable,
-            this._initEngines.bind(this));
-        this._ibus.request_name_async(IBus.SERVICE_PANEL,
-            IBus.BusNameFlag.REPLACE_EXISTING, -1, this._cancellable,
-            this._initPanelService.bind(this));
+        this._initEngines();
+        this._initPanelService();
    }

-    _initEngines(ibus, result) {
+    async _initEngines() {
        try {
-            let enginesList = this._ibus.list_engines_async_finish(result);
+            const enginesList =
+                await this._ibus.list_engines_async(-1, this._cancellable);
            for (let i = 0; i < enginesList.length; ++i) {
                let name = enginesList[i].get_name();
                this._engines.set(name, enginesList[i]);
@@ -126,9 +133,10 @@ var IBusManager = class {
        }
    }

-    _initPanelService(ibus, result) {
+    async _initPanelService() {
        try {
-            this._ibus.request_name_async_finish(result);
+            await this._ibus.request_name_async(IBus.SERVICE_PANEL,
+                IBus.BusNameFlag.REPLACE_EXISTING, -1, this._cancellable);
        } catch (e) {
            if (!e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED)) {
                logError(e);
@@ -163,19 +171,15 @@ var IBusManager = class {
            this._panelService.connect('set-content-type', this._setContentType.bind(this));
        } catch (e) {
        }
-        // If an engine is already active we need to get its properties
-        this._ibus.get_global_engine_async(-1, this._cancellable, (_bus, res) => {
-            let engine;
-            try {
-                engine = this._ibus.get_global_engine_async_finish(res);
-                if (!engine)
-                    return;
-            } catch (e) {
-                return;
-            }
-            this._engineChanged(this._ibus, engine.get_name());
-        });
        this._updateReadiness();
+
+        try {
+            // If an engine is already active we need to get its properties
+            const engine =
+                await this._ibus.get_global_engine_async(-1, this._cancellable);
+            this._engineChanged(this._ibus, engine.get_name());
+        } catch (e) {
+        }
    }

    _updateReadiness() {
@@ -223,7 +227,7 @@ var IBusManager = class {
        return this._engines.get(id);
    }

-    setEngine(id, callback) {
+    async setEngine(id, callback) {
        // Send id even if id == this._currentEngineName
        // because 'properties-registered' signal can be emitted
        // while this._ibusSources == null on a lock screen.
@@ -233,18 +237,16 @@ var IBusManager = class {
            return;
        }

-        this._ibus.set_global_engine_async(id,
-            this._MAX_INPUT_SOURCE_ACTIVATION_TIME,
-            this._cancellable, (_bus, res) => {
-                try {
-                    this._ibus.set_global_engine_async_finish(res);
-                } catch (e) {
-                    if (!e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED))
-                        logError(e);
-                }
-                if (callback)
-                    callback();
-            });
+        try {
+            await this._ibus.set_global_engine_async(id,
+                this._MAX_INPUT_SOURCE_ACTIVATION_TIME,
+                this._cancellable);
+        } catch (e) {
+            if (!e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED))
+                logError(e);
+        }
+        if (callback)
+            callback();
    }

    preloadEngines(ids) {
--- a/js/misc/inputMethod.js
+++ b/js/misc/inputMethod.js
@@ -4,6 +4,9 @@ const { Clutter, GLib, Gio, GObject, IBus } = imports.gi;

 const Keyboard = imports.ui.status.keyboard;

+Gio._promisify(IBus.Bus.prototype,
+    'create_input_context_async', 'create_input_context_async_finish');
+
 var HIDE_PANEL_TIME = 50;

 var InputMethod = GObject.registerClass(
@@ -46,15 +49,11 @@ class InputMethod extends Clutter.InputMethod {
        this._currentSource = this._inputSourceManager.currentSource;
    }

-    _onConnected() {
+    async _onConnected() {
        this._cancellable = new Gio.Cancellable();
-        this._ibus.create_input_context_async('gnome-shell', -1,
-            this._cancellable, this._setContext.bind(this));
-    }
-
-    _setContext(bus, res) {
        try {
-            this._context = this._ibus.create_input_context_async_finish(res);
+            this._context = await this._ibus.create_input_context_async(
+                'gnome-shell', -1, this._cancellable);
        } catch (e) {
            if (!e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED)) {
                logError(e);
--- a/js/misc/jsParse.js
+++ b/js/misc/jsParse.js
@@ -24,8 +24,7 @@ function getCompletions(text, commandHeader, globalCompletionList) {
            [expr_, base, attrHead] = matches;

            methods = getPropertyNamesFromExpression(base, commandHeader).filter(
-                attr => attr.slice(0, attrHead.length) == attrHead
-            );
+                attr => attr.slice(0, attrHead.length) === attrHead);
        }

        // Look for the empty expression or partially entered words
@@ -34,8 +33,7 @@ function getCompletions(text, commandHeader, globalCompletionList) {
        if (text == '' || matches) {
            [expr_, attrHead] = matches;
            methods = globalCompletionList.filter(
-                attr => attr.slice(0, attrHead.length) == attrHead
-            );
+                attr => attr.slice(0, attrHead.length) === attrHead);
        }
    }

--- a/js/misc/keyboardManager.js
+++ b/js/misc/keyboardManager.js
@@ -1,7 +1,7 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 /* exported getKeyboardManager, holdKeyboard, releaseKeyboard */

-const { GLib, GnomeDesktop, Meta } = imports.gi;
+const { GLib, GnomeDesktop } = imports.gi;

 const Main = imports.ui.main;

@@ -62,11 +62,11 @@ var KeyboardManager = class {
            return;

        this._currentKeymap = { layouts, variants, options };
-        Meta.get_backend().set_keymap(layouts, variants, options);
+        global.backend.set_keymap(layouts, variants, options);
    }

    _applyLayoutGroupIndex(idx) {
-        Meta.get_backend().lock_layout_group(idx);
+        global.backend.lock_layout_group(idx);
    }

    apply(id) {
--- a/js/misc/loginManager.js
+++ b/js/misc/loginManager.js
@@ -50,25 +50,22 @@ function canLock() {
 }


-function registerSessionWithGDM() {
+async function registerSessionWithGDM() {
    log("Registering session with GDM");
-    Gio.DBus.system.call('org.gnome.DisplayManager',
-                         '/org/gnome/DisplayManager/Manager',
-                         'org.gnome.DisplayManager.Manager',
-                         'RegisterSession',
-                         GLib.Variant.new('(a{sv})', [{}]), null,
-                         Gio.DBusCallFlags.NONE, -1, null,
-        (source, result) => {
-            try {
-                source.call_finish(result);
-            } catch (e) {
-                if (!e.matches(Gio.DBusError, Gio.DBusError.UNKNOWN_METHOD))
-                    log(`Error registering session with GDM: ${e.message}`);
-                else
-                    log("Not calling RegisterSession(): method not exported, GDM too old?");
-            }
-        }
-    );
+    try {
+        await Gio.DBus.system.call(
+            'org.gnome.DisplayManager',
+            '/org/gnome/DisplayManager/Manager',
+            'org.gnome.DisplayManager.Manager',
+            'RegisterSession',
+            GLib.Variant.new('(a{sv})', [{}]), null,
+            Gio.DBusCallFlags.NONE, -1, null);
+    } catch (e) {
+        if (!e.matches(Gio.DBusError, Gio.DBusError.UNKNOWN_METHOD))
+            log(`Error registering session with GDM: ${e.message}`);
+        else
+            log('Not calling RegisterSession(): method not exported, GDM too old?');
+    }
 }

 let _loginManager = null;
@@ -174,24 +171,19 @@ var LoginManagerSystemd = class {
        this._proxy.SuspendRemote(true);
    }

-    inhibit(reason, callback) {
-        let inVariant = GLib.Variant.new('(ssss)',
-                                         ['sleep',
-                                          'GNOME Shell',
-                                          reason,
-                                          'delay']);
-        this._proxy.call_with_unix_fd_list('Inhibit', inVariant, 0, -1, null, null,
-            (proxy, result) => {
-                let fd = -1;
-                try {
-                    let [outVariant_, fdList] = proxy.call_with_unix_fd_list_finish(result);
-                    fd = fdList.steal_fds()[0];
-                    callback(new Gio.UnixInputStream({ fd }));
-                } catch (e) {
-                    logError(e, "Error getting systemd inhibitor");
-                    callback(null);
-                }
-            });
+    async inhibit(reason, callback) {
+        try {
+            const inVariant = new GLib.Variant('(ssss)',
+                ['sleep', 'GNOME Shell', reason, 'delay']);
+            const [outVariant_, fdList] =
+                await this._proxy.call_with_unix_fd_list('Inhibit',
+                    inVariant, 0, -1, null, null);
+            const [fd] = fdList.steal_fds();
+            callback(new Gio.UnixInputStream({ fd }));
+        } catch (e) {
+            logError(e, 'Error getting systemd inhibitor');
+            callback(null);
+        }
    }

    _prepareForSleep(proxy, sender, [aboutToSuspend]) {
--- a/js/misc/objectManager.js
+++ b/js/misc/objectManager.js
@@ -57,9 +57,7 @@ var ObjectManager = class {
        // Start out inhibiting load until at least the proxy
        // manager is loaded and the remote objects are fetched
        this._numLoadInhibitors = 1;
-        this._managerProxy.init_async(GLib.PRIORITY_DEFAULT,
-                                      this._cancellable,
-                                      this._onManagerProxyLoaded.bind(this));
+        this._initManagerProxy();
    }

    _tryToCompleteLoad() {
@@ -73,7 +71,7 @@ var ObjectManager = class {
        }
    }

-    _addInterface(objectPath, interfaceName, onFinished) {
+    async _addInterface(objectPath, interfaceName, onFinished) {
        let info = this._interfaceInfos[interfaceName];

        if (!info) {
@@ -89,40 +87,38 @@ var ObjectManager = class {
                                        g_interface_info: info,
                                        g_flags: Gio.DBusProxyFlags.DO_NOT_AUTO_START });

-        proxy.init_async(GLib.PRIORITY_DEFAULT, this._cancellable, (initable, result) => {
-            try {
-                initable.init_finish(result);
-            } catch (e) {
-                logError(e, `could not initialize proxy for interface ${interfaceName}`);
-
-                if (onFinished)
-                    onFinished();
-                return;
-            }
-
-            let isNewObject;
-            if (!this._objects[objectPath]) {
-                this._objects[objectPath] = {};
-                isNewObject = true;
-            } else {
-                isNewObject = false;
-            }
-
-            this._objects[objectPath][interfaceName] = proxy;
-
-            if (!this._interfaces[interfaceName])
-                this._interfaces[interfaceName] = [];
-
-            this._interfaces[interfaceName].push(proxy);
-
-            if (isNewObject)
-                this.emit('object-added', objectPath);
-
-            this.emit('interface-added', interfaceName, proxy);
+        try {
+            await proxy.init_async(GLib.PRIORITY_DEFAULT, this._cancellable);
+        } catch (e) {
+            logError(e, `could not initialize proxy for interface ${interfaceName}`);

            if (onFinished)
                onFinished();
-        });
+            return;
+        }
+
+        let isNewObject;
+        if (!this._objects[objectPath]) {
+            this._objects[objectPath] = {};
+            isNewObject = true;
+        } else {
+            isNewObject = false;
+        }
+
+        this._objects[objectPath][interfaceName] = proxy;
+
+        if (!this._interfaces[interfaceName])
+            this._interfaces[interfaceName] = [];
+
+        this._interfaces[interfaceName].push(proxy);
+
+        if (isNewObject)
+            this.emit('object-added', objectPath);
+
+        this.emit('interface-added', interfaceName, proxy);
+
+        if (onFinished)
+            onFinished();
    }

    _removeInterface(objectPath, interfaceName) {
@@ -151,9 +147,10 @@ var ObjectManager = class {
        }
    }

-    _onManagerProxyLoaded(initable, result) {
+    async _initManagerProxy() {
        try {
-            initable.init_finish(result);
+            await this._managerProxy.init_async(
+                GLib.PRIORITY_DEFAULT, this._cancellable);
        } catch (e) {
            logError(e, `could not initialize object manager for object ${this._serviceName}`);

--- a/js/misc/parentalControlsManager.js
+++ b/js/misc/parentalControlsManager.js
@@ -0,0 +1,146 @@
+// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
+//
+// Copyright (C) 2018, 2019, 2020 Endless Mobile, Inc.
+//
+// This is a GNOME Shell component to wrap the interactions over
+// D-Bus with the malcontent library.
+//
+// Licensed under the GNU General Public License Version 2
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+/* exported getDefault */
+
+const { Gio, GObject, Shell } = imports.gi;
+
+// We require libmalcontent ≥ 0.6.0
+const HAVE_MALCONTENT = imports.package.checkSymbol(
+    'Malcontent', '0', 'ManagerGetValueFlags');
+
+var Malcontent = null;
+if (HAVE_MALCONTENT) {
+    Malcontent = imports.gi.Malcontent;
+    Gio._promisify(Malcontent.Manager.prototype, 'get_app_filter_async', 'get_app_filter_finish');
+}
+
+let _singleton = null;
+
+function getDefault() {
+    if (_singleton === null)
+        _singleton = new ParentalControlsManager();
+
+    return _singleton;
+}
+
+// A manager class which provides cached access to the constructing user’s
+// parental controls settings. It’s possible for the user’s parental controls
+// to change at runtime if the Parental Controls application is used by an
+// administrator from within the user’s session.
+var ParentalControlsManager = GObject.registerClass({
+    Signals: {
+        'app-filter-changed': {},
+    },
+}, class ParentalControlsManager extends GObject.Object {
+    _init() {
+        super._init();
+
+        this._initialized = false;
+        this._disabled = false;
+        this._appFilter = null;
+
+        this._initializeManager();
+    }
+
+    async _initializeManager() {
+        if (!HAVE_MALCONTENT) {
+            log('Skipping parental controls support as it’s disabled');
+            this._initialized = true;
+            this.emit('app-filter-changed');
+            return;
+        }
+
+        log(`Getting parental controls for user ${Shell.util_get_uid()}`);
+        try {
+            const connection = await Gio.DBus.get(Gio.BusType.SYSTEM, null);
+            this._manager = new Malcontent.Manager({ connection });
+            this._appFilter = await this._manager.get_app_filter_async(
+                Shell.util_get_uid(),
+                Malcontent.ManagerGetValueFlags.NONE,
+                null);
+        } catch (e) {
+            if (e.matches(Malcontent.ManagerError, Malcontent.ManagerError.DISABLED)) {
+                log('Parental controls globally disabled');
+                this._disabled = true;
+            } else {
+                logError(e, 'Failed to get parental controls settings');
+                return;
+            }
+        }
+
+        this._manager.connect('app-filter-changed', this._onAppFilterChanged.bind(this));
+
+        // Signal initialisation is complete.
+        this._initialized = true;
+        this.emit('app-filter-changed');
+    }
+
+    async _onAppFilterChanged(manager, uid) {
+        // Emit 'changed' signal only if app-filter is changed for currently logged-in user.
+        let currentUid = Shell.util_get_uid();
+        if (currentUid !== uid)
+            return;
+
+        try {
+            this._appFilter = await this._manager.get_app_filter_async(
+                currentUid,
+                Malcontent.ManagerGetValueFlags.NONE,
+                null);
+            this.emit('app-filter-changed');
+        } catch (e) {
+            // Log an error and keep the old app filter.
+            logError(e, `Failed to get new MctAppFilter for uid ${Shell.util_get_uid()} on app-filter-changed`);
+        }
+    }
+
+    get initialized() {
+        return this._initialized;
+    }
+
+    // Calculate whether the given app (a Gio.DesktopAppInfo) should be shown
+    // on the desktop, in search results, etc. The app should be shown if:
+    //  - The .desktop file doesn’t say it should be hidden.
+    //  - The executable from the .desktop file’s Exec line isn’t blacklisted in
+    //    the user’s parental controls.
+    //  - None of the flatpak app IDs from the X-Flatpak and the
+    //    X-Flatpak-RenamedFrom lines are blacklisted in the user’s parental
+    //    controls.
+    shouldShowApp(appInfo) {
+        // Quick decision?
+        if (!appInfo.should_show())
+            return false;
+
+        // Are parental controls enabled (at configure time or runtime)?
+        if (!HAVE_MALCONTENT || this._disabled)
+            return true;
+
+        // Have we finished initialising yet?
+        if (!this.initialized) {
+            log(`Warning: Hiding app because parental controls not yet initialised: ${appInfo.get_id()}`);
+            return false;
+        }
+
+        return this._appFilter.is_appinfo_allowed(appInfo);
+    }
+});
--- a/js/misc/systemActions.js
+++ b/js/misc/systemActions.js
@@ -83,13 +83,17 @@ const SystemActions = GObject.registerClass({
        this._canHavePowerOff = true;
        this._canHaveSuspend = true;

+        function tokenizeKeywords(keywords) {
+            return keywords.split(';').map(keyword => GLib.str_tokenize_and_fold(keyword, null)).flat(2);
+        }
+
        this._actions = new Map();
        this._actions.set(POWER_OFF_ACTION_ID, {
            // Translators: The name of the power-off action in search
            name: C_("search-result", "Power Off"),
            iconName: 'system-shutdown-symbolic',
            // Translators: A list of keywords that match the power-off action, separated by semicolons
-            keywords: _('power off;shutdown;reboot;restart;halt;stop').split(/[; ]/),
+            keywords: tokenizeKeywords(_('power off;shutdown;reboot;restart;halt;stop')),
            available: false,
        });
        this._actions.set(LOCK_SCREEN_ACTION_ID, {
@@ -97,15 +101,15 @@ const SystemActions = GObject.registerClass({
            name: C_("search-result", "Lock Screen"),
            iconName: 'system-lock-screen-symbolic',
            // Translators: A list of keywords that match the lock screen action, separated by semicolons
-            keywords: _("lock screen").split(/[; ]/),
+            keywords: tokenizeKeywords(_('lock screen')),
            available: false,
        });
        this._actions.set(LOGOUT_ACTION_ID, {
            // Translators: The name of the logout action in search
            name: C_("search-result", "Log Out"),
-            iconName: 'application-exit-symbolic',
+            iconName: 'system-log-out-symbolic',
            // Translators: A list of keywords that match the logout action, separated by semicolons
-            keywords: _("logout;log out;sign off").split(/[; ]/),
+            keywords: tokenizeKeywords(_('logout;log out;sign off')),
            available: false,
        });
        this._actions.set(SUSPEND_ACTION_ID, {
@@ -113,7 +117,7 @@ const SystemActions = GObject.registerClass({
            name: C_("search-result", "Suspend"),
            iconName: 'media-playback-pause-symbolic',
            // Translators: A list of keywords that match the suspend action, separated by semicolons
-            keywords: _("suspend;sleep").split(/[; ]/),
+            keywords: tokenizeKeywords(_('suspend;sleep')),
            available: false,
        });
        this._actions.set(SWITCH_USER_ACTION_ID, {
@@ -121,14 +125,14 @@ const SystemActions = GObject.registerClass({
            name: C_("search-result", "Switch User"),
            iconName: 'system-switch-user-symbolic',
            // Translators: A list of keywords that match the switch user action, separated by semicolons
-            keywords: _("switch user").split(/[; ]/),
+            keywords: tokenizeKeywords(_('switch user')),
            available: false,
        });
        this._actions.set(LOCK_ORIENTATION_ACTION_ID, {
            name: '',
            iconName: '',
            // Translators: A list of keywords that match the lock orientation action, separated by semicolons
-            keywords: _("lock orientation;unlock orientation;screen;rotation").split(/[; ]/),
+            keywords: tokenizeKeywords(_('lock orientation;unlock orientation;screen;rotation')),
            available: false,
        });

@@ -277,7 +281,7 @@ const SystemActions = GObject.registerClass({

    getMatchingActions(terms) {
        // terms is a list of strings
-        terms = terms.map(term => term.toLowerCase());
+        terms = terms.map(term => GLib.str_tokenize_and_fold(term, null)[0]);

        let results = [];

--- a/js/misc/util.js
+++ b/js/misc/util.js
@@ -1,9 +1,9 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 /* exported findUrls, spawn, spawnCommandLine, spawnApp, trySpawnCommandLine,
            formatTime, formatTimeSpan, createTimeLabel, insertSorted,
-            makeCloseButton, ensureActorVisibleInScrollView, wiggle */
+            ensureActorVisibleInScrollView, wiggle */

-const { Clutter, Gio, GLib, GObject, Shell, St, GnomeDesktop } = imports.gi;
+const { Clutter, Gio, GLib, Shell, St, GnomeDesktop } = imports.gi;
 const Gettext = imports.gettext;

 const Main = imports.ui.main;
@@ -363,51 +363,6 @@ function insertSorted(array, val, cmp) {
    return pos;
 }

-var CloseButton = GObject.registerClass(
-class CloseButton extends St.Button {
-    _init(boxpointer) {
-        super._init({
-            style_class: 'notification-close',
-            x_expand: true,
-            y_expand: true,
-            x_align: Clutter.ActorAlign.END,
-            y_align: Clutter.ActorAlign.START,
-        });
-
-        this._boxPointer = boxpointer;
-        if (boxpointer)
-            this._boxPointer.connect('arrow-side-changed', this._sync.bind(this));
-    }
-
-    _computeBoxPointerOffset() {
-        if (!this._boxPointer || !this._boxPointer.get_stage())
-            return 0;
-
-        let side = this._boxPointer.arrowSide;
-        if (side == St.Side.TOP)
-            return this._boxPointer.getArrowHeight();
-        else
-            return 0;
-    }
-
-    _sync() {
-        let themeNode = this.get_theme_node();
-
-        let offY = this._computeBoxPointerOffset();
-        this.translation_x = themeNode.get_length('-shell-close-overlap-x');
-        this.translation_y = themeNode.get_length('-shell-close-overlap-y') + offY;
-    }
-
-    vfunc_style_changed() {
-        this._sync();
-        super.vfunc_style_changed();
-    }
-});
-
-function makeCloseButton(boxpointer) {
-    return new CloseButton(boxpointer);
-}
-
 function ensureActorVisibleInScrollView(scrollView, actor) {
    let adjustment = scrollView.vscroll.adjustment;
    let [value, lower_, upper, stepIncrement_, pageIncrement_, pageSize] = adjustment.get_values();
--- a/js/misc/weather.js
+++ b/js/misc/weather.js
@@ -7,6 +7,8 @@ const PermissionStore = imports.misc.permissionStore;

 const { loadInterfaceXML } = imports.misc.fileUtils;

+Gio._promisify(Geoclue.Simple, 'new', 'new_finish');
+
 const WeatherIntegrationIface = loadInterfaceXML('org.gnome.Shell.WeatherIntegration');

 const WEATHER_BUS_NAME = 'org.gnome.Weather';
@@ -79,16 +81,7 @@ var WeatherClient = class {
        this._weatherApp = null;
        this._weatherProxy = null;

-        let nodeInfo = Gio.DBusNodeInfo.new_for_xml(WeatherIntegrationIface);
-        Gio.DBusProxy.new(
-            Gio.DBus.session,
-            Gio.DBusProxyFlags.DO_NOT_AUTO_START | Gio.DBusProxyFlags.GET_INVALIDATED_PROPERTIES,
-            nodeInfo.lookup_interface(WEATHER_INTEGRATION_IFACE),
-            WEATHER_BUS_NAME,
-            WEATHER_OBJECT_PATH,
-            WEATHER_INTEGRATION_IFACE,
-            null,
-            this._onWeatherProxyReady.bind(this));
+        this._createWeatherProxy();

        this._settings = new Gio.Settings({
            schema_id: 'org.gnome.shell.weather',
@@ -146,9 +139,17 @@ var WeatherClient = class {
               (!this._needsAuth || this._weatherAuthorized);
    }

-    _onWeatherProxyReady(o, res) {
+    async _createWeatherProxy() {
+        const nodeInfo = Gio.DBusNodeInfo.new_for_xml(WeatherIntegrationIface);
        try {
-            this._weatherProxy = Gio.DBusProxy.new_finish(res);
+            this._weatherProxy = await Gio.DBusProxy.new(
+                Gio.DBus.session,
+                Gio.DBusProxyFlags.DO_NOT_AUTO_START | Gio.DBusProxyFlags.GET_INVALIDATED_PROPERTIES,
+                nodeInfo.lookup_interface(WEATHER_INTEGRATION_IFACE),
+                WEATHER_BUS_NAME,
+                WEATHER_OBJECT_PATH,
+                WEATHER_INTEGRATION_IFACE,
+                null);
        } catch (e) {
            log(`Failed to create GNOME Weather proxy: ${e}`);
            return;
@@ -239,25 +240,23 @@ var WeatherClient = class {
        }
    }

-    _startGClueService() {
+    async _startGClueService() {
        if (this._gclueStarting)
            return;

        this._gclueStarting = true;

-        Geoclue.Simple.new('org.gnome.Shell', Geoclue.AccuracyLevel.CITY, null,
-            (o, res) => {
-                try {
-                    this._gclueService = Geoclue.Simple.new_finish(res);
-                } catch (e) {
-                    log(`Failed to connect to Geoclue2 service: ${e.message}`);
-                    this._setLocation(this._mostRecentLocation);
-                    return;
-                }
-                this._gclueStarted = true;
-                this._gclueService.get_client().distance_threshold = 100;
-                this._updateLocationMonitoring();
-            });
+        try {
+            this._gclueService = await Geoclue.Simple.new(
+                'org.gnome.Shell', Geoclue.AccuracyLevel.CITY, null);
+        } catch (e) {
+            log(`Failed to connect to Geoclue2 service: ${e.message}`);
+            this._setLocation(this._mostRecentLocation);
+            return;
+        }
+        this._gclueStarted = true;
+        this._gclueService.get_client().distance_threshold = 100;
+        this._updateLocationMonitoring();
    }

    _onGClueLocationChanged() {
--- a/js/ui/altTab.js
+++ b/js/ui/altTab.js
@@ -68,8 +68,8 @@ class AppSwitcherPopup extends SwitcherPopup.SwitcherPopup {
        this._items = this._switcherList.icons;
    }

-    vfunc_allocate(box, flags) {
-        super.vfunc_allocate(box, flags);
+    vfunc_allocate(box) {
+        super.vfunc_allocate(box);

        // Allocate the thumbnails
        // We try to avoid overflowing the screen so we base the resulting size on
@@ -102,7 +102,7 @@ class AppSwitcherPopup extends SwitcherPopup.SwitcherPopup {
            this._thumbnails.addClones(primary.y + primary.height - bottomPadding - childBox.y1);
            let [, childNaturalHeight] = this._thumbnails.get_preferred_height(-1);
            childBox.y2 = childBox.y1 + childNaturalHeight;
-            this._thumbnails.allocate(childBox, flags);
+            this._thumbnails.allocate(childBox);
        }
    }

@@ -681,8 +681,7 @@ class AppSwitcher extends SwitcherPopup.SwitcherList {
            // Cache the window list now; we don't handle dynamic changes here,
            // and we don't want to be continually retrieving it
            appIcon.cachedWindows = allWindows.filter(
-                w => windowTracker.get_window_app(w) == appIcon.app
-            );
+                w => windowTracker.get_window_app(w) === appIcon.app);
            if (appIcon.cachedWindows.length > 0)
                this._addIcon(appIcon);
        }
@@ -750,9 +749,9 @@ class AppSwitcher extends SwitcherPopup.SwitcherList {
        return super.vfunc_get_preferred_height(forWidth);
    }

-    vfunc_allocate(box, flags) {
+    vfunc_allocate(box) {
        // Allocate the main list items
-        super.vfunc_allocate(box, flags);
+        super.vfunc_allocate(box);

        let contentBox = this.get_theme_node().get_content_box(box);

@@ -767,7 +766,7 @@ class AppSwitcher extends SwitcherPopup.SwitcherList {
            childBox.x2 = childBox.x1 + arrowWidth;
            childBox.y1 = contentBox.y1 + itemBox.y2 + arrowHeight;
            childBox.y2 = childBox.y1 + arrowHeight;
-            this._arrows[i].allocate(childBox, flags);
+            this._arrows[i].allocate(childBox);
        }
    }

@@ -1057,28 +1056,28 @@ class WindowSwitcher extends SwitcherPopup.SwitcherList {
        return [minHeight, natHeight];
    }

-    vfunc_allocate(box, flags) {
+    vfunc_allocate(box) {
        let themeNode = this.get_theme_node();
        let contentBox = themeNode.get_content_box(box);
+        const labelHeight = this._label.height;
+        const totalLabelHeight =
+            labelHeight + themeNode.get_padding(St.Side.BOTTOM);

-        let childBox = new Clutter.ActorBox();
-        childBox.x1 = contentBox.x1;
-        childBox.x2 = contentBox.x2;
-        childBox.y2 = contentBox.y2;
-        childBox.y1 = childBox.y2 - this._label.height;
-        this._label.allocate(childBox, flags);
-
-        let totalLabelHeight = this._label.height + themeNode.get_padding(St.Side.BOTTOM);
-        childBox.x1 = box.x1;
-        childBox.x2 = box.x2;
-        childBox.y1 = box.y1;
-        childBox.y2 = box.y2 - totalLabelHeight;
-        super.vfunc_allocate(childBox, flags);
+        box.y2 -= totalLabelHeight;
+        super.vfunc_allocate(box);

        // Hooking up the parent vfunc will call this.set_allocation() with
        // the height without the label height, so call it again with the
        // correct size here.
-        this.set_allocation(box, flags);
+        box.y2 += totalLabelHeight;
+        this.set_allocation(box);
+
+        const childBox = new Clutter.ActorBox();
+        childBox.x1 = contentBox.x1;
+        childBox.x2 = contentBox.x2;
+        childBox.y2 = contentBox.y2;
+        childBox.y1 = childBox.y2 - labelHeight;
+        this._label.allocate(childBox);
    }

    highlight(index, justOutline) {
--- a/js/ui/animation.js
+++ b/js/ui/animation.js
@@ -15,8 +15,7 @@ class Animation extends St.Bin {
        const themeContext = St.ThemeContext.get_for_stage(global.stage);

        super._init({
-            width: width * themeContext.scale_factor,
-            height: height * themeContext.scale_factor,
+            style: `width: ${width}px; height: ${height}px;`,
        });

        this.connect('destroy', this._onDestroy.bind(this));
--- a/js/ui/appDisplay.js
+++ b/js/ui/appDisplay.js
--- a/js/ui/appFavorites.js
+++ b/js/ui/appFavorites.js
@@ -2,6 +2,7 @@
 /* exported getAppFavorites */

 const Shell = imports.gi.Shell;
+const ParentalControlsManager = imports.misc.parentalControlsManager;
 const Signals = imports.signals;

 const Main = imports.ui.main;
@@ -12,6 +13,7 @@ const RENAMED_DESKTOP_IDS = {
    'cheese.desktop': 'org.gnome.Cheese.desktop',
    'dconf-editor.desktop': 'ca.desrt.dconf-editor.desktop',
    'empathy.desktop': 'org.gnome.Empathy.desktop',
+    'eog.desktop': 'org.gnome.eog.desktop',
    'epiphany.desktop': 'org.gnome.Epiphany.desktop',
    'evolution.desktop': 'org.gnome.Evolution.desktop',
    'file-roller.desktop': 'org.gnome.FileRoller.desktop',
@@ -64,6 +66,13 @@ const RENAMED_DESKTOP_IDS = {

 class AppFavorites {
    constructor() {
+        // Filter the apps through the user’s parental controls.
+        this._parentalControlsManager = ParentalControlsManager.getDefault();
+        this._parentalControlsManager.connect('app-filter-changed', () => {
+            this.reload();
+            this.emit('changed');
+        });
+
        this.FAVORITE_APPS_KEY = 'favorite-apps';
        this._favorites = {};
        global.settings.connect('changed::%s'.format(this.FAVORITE_APPS_KEY), this._onFavsChanged.bind(this));
@@ -95,7 +104,7 @@ class AppFavorites {
            global.settings.set_strv(this.FAVORITE_APPS_KEY, ids);

        let apps = ids.map(id => appSys.lookup_app(id))
-                      .filter(app => app != null);
+                      .filter(app => app !== null && this._parentalControlsManager.shouldShowApp(app.app_info));
        this._favorites = {};
        for (let i = 0; i < apps.length; i++) {
            let app = apps[i];
@@ -134,6 +143,9 @@ class AppFavorites {
        if (!app)
            return false;

+        if (!this._parentalControlsManager.shouldShowApp(app.app_info))
+            return false;
+
        let ids = this._getIds();
        if (pos == -1)
            ids.push(appId);
--- a/js/ui/audioDeviceSelection.js
+++ b/js/ui/audioDeviceSelection.js
@@ -147,9 +147,8 @@ var AudioDeviceSelectionDBus = class AudioDeviceSelectionDBus {
    _onDeviceSelected(dialog, device) {
        let connection = this._dbusImpl.get_connection();
        let info = this._dbusImpl.get_info();
-        let deviceName = Object.keys(AudioDevice).filter(
-            dev => AudioDevice[dev] == device
-        )[0].toLowerCase();
+        const deviceName = Object.keys(AudioDevice)
+            .filter(dev => AudioDevice[dev] === device)[0].toLowerCase();
        connection.emit_signal(this._audioSelectionDialog._sender,
                               this._dbusImpl.get_object_path(),
                               info ? info.name : null,
--- a/js/ui/background.js
+++ b/js/ui/background.js
@@ -512,8 +512,8 @@ var SystemBackground = GObject.registerClass({
        super._init({
            meta_display: global.display,
            monitor: 0,
-            background: _systemBackground,
        });
+        this.content.background = _systemBackground;

        let id = GLib.idle_add(GLib.PRIORITY_DEFAULT, () => {
            this.emit('loaded');
@@ -738,6 +738,8 @@ var BackgroundManager = class BackgroundManager {
        let backgroundActor = new Meta.BackgroundActor({
            meta_display: global.display,
            monitor: this._monitorIndex,
+        });
+        backgroundActor.content.set({
            background,
            vignette: this._vignette,
            vignette_sharpness: 0.5,
--- a/js/ui/barLevel.js
+++ b/js/ui/barLevel.js
@@ -30,8 +30,8 @@ var BarLevel = GObject.registerClass({
            accessible_role: Atk.Role.LEVEL_BAR,
        };
        super._init(Object.assign(defaultParams, params));
-        this.connect('allocation-changed', (actor, box) => {
-            this._barLevelWidth = box.get_width();
+        this.connect('notify::allocation', () => {
+            this._barLevelWidth = this.allocation.get_width();
        });

        this._customAccessible = St.GenericAccessible.new_for_actor(this);
--- a/js/ui/boxpointer.js
+++ b/js/ui/boxpointer.js
@@ -196,8 +196,13 @@ var BoxPointer = GObject.registerClass({
        return themeNode.adjust_preferred_height(...height);
    }

-    vfunc_allocate(box, flags) {
-        this.set_allocation(box, flags);
+    vfunc_allocate(box) {
+        if (this._sourceActor && this._sourceActor.mapped) {
+            this._reposition(box);
+            this._updateFlip(box);
+        }
+
+        this.set_allocation(box);

        let themeNode = this.get_theme_node();
        let borderWidth = themeNode.get_length('-arrow-border-width');
@@ -209,7 +214,7 @@ var BoxPointer = GObject.registerClass({
        childBox.y1 = 0;
        childBox.x2 = availWidth;
        childBox.y2 = availHeight;
-        this._border.allocate(childBox, flags);
+        this._border.allocate(childBox);

        childBox.x1 = borderWidth;
        childBox.y1 = borderWidth;
@@ -229,13 +234,7 @@ var BoxPointer = GObject.registerClass({
            childBox.x2 -= rise;
            break;
        }
-        this.bin.allocate(childBox, flags);
-
-        if (this._sourceActor && this._sourceActor.mapped) {
-            this._reposition(box);
-            this._updateFlip(box);
-            this.set_allocation(box, flags);
-        }
+        this.bin.allocate(childBox);
    }

    _drawBorder(area) {
--- a/js/ui/calendar.js
+++ b/js/ui/calendar.js
@@ -14,7 +14,6 @@ const { loadInterfaceXML } = imports.misc.fileUtils;

 var MSECS_IN_DAY = 24 * 60 * 60 * 1000;
 var SHOW_WEEKDATE_KEY = 'show-weekdate';
-var ELLIPSIS_CHAR = '\u2026';

 var MESSAGE_ICON_SIZE = -1; // pick up from CSS

@@ -32,10 +31,6 @@ function sameDay(dateA, dateB) {
    return sameMonth(dateA, dateB) && (dateA.getDate() == dateB.getDate());
 }

-function isToday(date) {
-    return sameDay(new Date(), date);
-}
-
 function _isWorkDay(date) {
    /* Translators: Enter 0-6 (Sunday-Saturday) for non-work days. Examples: "0" (Sunday) "6" (Saturday) "06" (Sunday and Saturday). */
    let days = C_('calendar-no-work', "06");
@@ -199,46 +194,52 @@ class DBusEventSource extends EventSourceBase {

        this._initialized = false;
        this._dbusProxy = new CalendarServer();
-        this._dbusProxy.init_async(GLib.PRIORITY_DEFAULT, null, (object, result) => {
-            let loaded = false;
+        this._initProxy();
+    }

-            try {
-                this._dbusProxy.init_finish(result);
-                loaded = true;
-            } catch (e) {
-                if (e.matches(Gio.DBusError, Gio.DBusError.TIMED_OUT)) {
-                    // Ignore timeouts and install signals as normal, because with high
-                    // probability the service will appear later on, and we will get a
-                    // NameOwnerChanged which will finish loading
-                    //
-                    // (But still _initialized to false, because the proxy does not know
-                    // about the HasCalendars property and would cause an exception trying
-                    // to read it)
-                } else {
-                    log('Error loading calendars: %s'.format(e.message));
-                    return;
-                }
+    async _initProxy() {
+        let loaded = false;
+
+        try {
+            await this._dbusProxy.init_async(GLib.PRIORITY_DEFAULT, null);
+            loaded = true;
+        } catch (e) {
+            // Ignore timeouts and install signals as normal, because with high
+            // probability the service will appear later on, and we will get a
+            // NameOwnerChanged which will finish loading
+            //
+            // (But still _initialized to false, because the proxy does not know
+            // about the HasCalendars property and would cause an exception trying
+            // to read it)
+            if (!e.matches(Gio.DBusError, Gio.DBusError.TIMED_OUT)) {
+                log('Error loading calendars: %s'.format(e.message));
+                return;
            }
+        }

-            this._dbusProxy.connectSignal('Changed', this._onChanged.bind(this));
+        this._dbusProxy.connectSignal('EventsAddedOrUpdated',
+            this._onEventsAddedOrUpdated.bind(this));
+        this._dbusProxy.connectSignal('EventsRemoved',
+            this._onEventsRemoved.bind(this));
+        this._dbusProxy.connectSignal('ClientDisappeared',
+            this._onClientDisappeared.bind(this));

-            this._dbusProxy.connect('notify::g-name-owner', () => {
-                if (this._dbusProxy.g_name_owner)
-                    this._onNameAppeared();
-                else
-                    this._onNameVanished();
-            });
-
-            this._dbusProxy.connect('g-properties-changed', () => {
-                this.notify('has-calendars');
-            });
-
-            this._initialized = loaded;
-            if (loaded) {
-                this.notify('has-calendars');
+        this._dbusProxy.connect('notify::g-name-owner', () => {
+            if (this._dbusProxy.g_name_owner)
                this._onNameAppeared();
-            }
+            else
+                this._onNameVanished();
        });
+
+        this._dbusProxy.connect('g-properties-changed', () => {
+            this.notify('has-calendars');
+        });
+
+        this._initialized = loaded;
+        if (loaded) {
+            this.notify('has-calendars');
+            this._onNameAppeared();
+        }
    }

    destroy() {
@@ -257,7 +258,7 @@ class DBusEventSource extends EventSourceBase {
    }

    _resetCache() {
-        this._events = [];
+        this._events = new Map();
        this._lastRequestBegin = null;
        this._lastRequestEnd = null;
    }
@@ -273,28 +274,47 @@ class DBusEventSource extends EventSourceBase {
        this.emit('changed');
    }

-    _onChanged() {
-        this._loadEvents(false);
+    _onEventsAddedOrUpdated(dbusProxy, nameOwner, argArray) {
+        const [appointments = []] = argArray;
+        let changed = false;
+
+        for (let n = 0; n < appointments.length; n++) {
+            const [id, summary, allDay, startTime, endTime] = appointments[n];
+            const date = new Date(startTime * 1000);
+            const end = new Date(endTime * 1000);
+            let event = new CalendarEvent(id, date, end, summary, allDay);
+            this._events.set(event.id, event);
+
+            changed = true;
+        }
+
+        if (changed)
+            this.emit('changed');
    }

-    _onEventsReceived(results, _error) {
-        let newEvents = [];
-        let appointments = results[0] || [];
-        for (let n = 0; n < appointments.length; n++) {
-            let a = appointments[n];
-            let date = new Date(a[4] * 1000);
-            let end = new Date(a[5] * 1000);
-            let id = a[0];
-            let summary = a[1];
-            let allDay = a[3];
-            let event = new CalendarEvent(id, date, end, summary, allDay);
-            newEvents.push(event);
-        }
-        newEvents.sort((ev1, ev2) => ev1.date.getTime() - ev2.date.getTime());
+    _onEventsRemoved(dbusProxy, nameOwner, argArray) {
+        const [ids = []] = argArray;

-        this._events = newEvents;
-        this._isLoading = false;
-        this.emit('changed');
+        let changed = false;
+        for (const id of ids)
+            changed |= this._events.delete(id);
+
+        if (changed)
+            this.emit('changed');
+    }
+
+    _onClientDisappeared(dbusProxy, nameOwner, argArray) {
+        let [sourceUid = ''] = argArray;
+        sourceUid += '\n';
+
+        let changed = false;
+        for (const id of this._events.keys()) {
+            if (id.startsWith(sourceUid))
+                changed |= this._events.delete(id);
+        }
+
+        if (changed)
+            this.emit('changed');
    }

    _loadEvents(forceReload) {
@@ -303,33 +323,38 @@ class DBusEventSource extends EventSourceBase {
            return;

        if (this._curRequestBegin && this._curRequestEnd) {
-            this._dbusProxy.GetEventsRemote(this._curRequestBegin.getTime() / 1000,
-                                            this._curRequestEnd.getTime() / 1000,
-                                            forceReload,
-                                            this._onEventsReceived.bind(this),
-                                            Gio.DBusCallFlags.NONE);
+            if (forceReload) {
+                this._events.clear();
+                this.emit('changed');
+            }
+            this._dbusProxy.SetTimeRangeRemote(
+                this._curRequestBegin.getTime() / 1000,
+                this._curRequestEnd.getTime() / 1000,
+                forceReload,
+                Gio.DBusCallFlags.NONE);
        }
    }

    requestRange(begin, end) {
        if (!(_datesEqual(begin, this._lastRequestBegin) && _datesEqual(end, this._lastRequestEnd))) {
-            this._isLoading = true;
            this._lastRequestBegin = begin;
            this._lastRequestEnd = end;
            this._curRequestBegin = begin;
            this._curRequestEnd = end;
-            this._loadEvents(false);
+            this._loadEvents(true);
+        }
+    }
+
+    *_getFilteredEvents(begin, end) {
+        for (const event of this._events.values()) {
+            if (_dateIntervalsOverlap(event.date, event.end, begin, end))
+                yield event;
        }
    }

    getEvents(begin, end) {
-        let result = [];
-        for (let n = 0; n < this._events.length; n++) {
-            let event = this._events[n];
+        let result = [...this._getFilteredEvents(begin, end)];

-            if (_dateIntervalsOverlap(event.date, event.end, begin, end))
-                result.push(event);
-        }
        result.sort((event1, event2) => {
            // sort events by end time on ending day
            let d1 = event1.date < begin && event1.end <= end ? event1.end : event1.date;
@@ -343,12 +368,8 @@ class DBusEventSource extends EventSourceBase {
        let dayBegin = _getBeginningOfDay(day);
        let dayEnd = _getEndOfDay(day);

-        let events = this.getEvents(dayBegin, dayEnd);
-
-        if (events.length == 0)
-            return false;
-
-        return true;
+        const { done } = this._getFilteredEvents(dayBegin, dayEnd).next();
+        return !done;
    }
 });

@@ -697,61 +718,6 @@ var Calendar = GObject.registerClass({
    }
 });

-var EventMessage = GObject.registerClass(
-class EventMessage extends MessageList.Message {
-    _init(event, date) {
-        super._init('', event.summary);
-
-        this._event = event;
-        this._date = date;
-
-        this.setTitle(this._formatEventTime());
-
-        this._icon = new St.Icon({ icon_name: 'x-office-calendar-symbolic' });
-        this.setIcon(this._icon);
-    }
-
-    vfunc_style_changed() {
-        let iconVisible = this.get_parent().has_style_pseudo_class('first-child');
-        this._icon.opacity = iconVisible ? 255 : 0;
-        super.vfunc_style_changed();
-    }
-
-    _formatEventTime() {
-        let periodBegin = _getBeginningOfDay(this._date);
-        let periodEnd = _getEndOfDay(this._date);
-        let allDay = this._event.allDay || (this._event.date <= periodBegin &&
-                                             this._event.end >= periodEnd);
-        let title;
-        if (allDay) {
-            /* Translators: Shown in calendar event list for all day events
-             * Keep it short, best if you can use less then 10 characters
-             */
-            title = C_("event list time", "All Day");
-        } else {
-            let date = this._event.date >= periodBegin
-                ? this._event.date
-                : this._event.end;
-            title = Util.formatTime(date, { timeOnly: true });
-        }
-
-        let rtl = Clutter.get_default_text_direction() == Clutter.TextDirection.RTL;
-        if (this._event.date < periodBegin && !this._event.allDay) {
-            if (rtl)
-                title = '%s%s'.format(title, ELLIPSIS_CHAR);
-            else
-                title = '%s%s'.format(ELLIPSIS_CHAR, title);
-        }
-        if (this._event.end > periodEnd && !this._event.allDay) {
-            if (rtl)
-                title = '%s%s'.format(ELLIPSIS_CHAR, title);
-            else
-                title = '%s%s'.format(title, ELLIPSIS_CHAR);
-        }
-        return title;
-    }
-});
-
 var NotificationMessage = GObject.registerClass(
 class NotificationMessage extends MessageList.Message {
    _init(notification) {
@@ -817,148 +783,6 @@ class NotificationMessage extends MessageList.Message {
    }
 });

-var EventsSection = GObject.registerClass(
-class EventsSection extends MessageList.MessageListSection {
-    _init() {
-        super._init();
-
-        this._desktopSettings = new Gio.Settings({ schema_id: 'org.gnome.desktop.interface' });
-        this._desktopSettings.connect('changed', this._reloadEvents.bind(this));
-        this._eventSource = new EmptyEventSource();
-
-        this._messageById = new Map();
-
-        this._title = new St.Button({ style_class: 'events-section-title',
-                                      label: '',
-                                      can_focus: true });
-        this._title.child.x_align = Clutter.ActorAlign.START;
-        this.insert_child_below(this._title, null);
-
-        this._title.connect('clicked', this._onTitleClicked.bind(this));
-        this._title.connect('key-focus-in', this._onKeyFocusIn.bind(this));
-
-        this._appSys = Shell.AppSystem.get_default();
-        this._appSys.connect('installed-changed',
-            this._appInstalledChanged.bind(this));
-        this._appInstalledChanged();
-    }
-
-    setEventSource(eventSource) {
-        if (!(eventSource instanceof EventSourceBase))
-            throw new Error('Event source is not valid type');
-
-        this._eventSource = eventSource;
-        this._eventSource.connect('changed', this._reloadEvents.bind(this));
-    }
-
-    get allowed() {
-        return Main.sessionMode.showCalendarEvents;
-    }
-
-    _updateTitle() {
-        this._title.visible = !isToday(this._date);
-
-        if (!this._title.visible)
-            return;
-
-        let dayFormat;
-        let now = new Date();
-        if (sameYear(this._date, now)) {
-            /* Translators: Shown on calendar heading when selected day occurs on current year */
-            dayFormat = Shell.util_translate_time_string(NC_("calendar heading", "%A, %B %-d"));
-        } else {
-            /* Translators: Shown on calendar heading when selected day occurs on different year */
-            dayFormat = Shell.util_translate_time_string(NC_("calendar heading", "%A, %B %-d, %Y"));
-        }
-        this._title.label = this._date.toLocaleFormat(dayFormat);
-    }
-
-    _reloadEvents() {
-        if (this._eventSource.isLoading)
-            return;
-
-        this._reloading = true;
-
-        let periodBegin = _getBeginningOfDay(this._date);
-        let periodEnd = _getEndOfDay(this._date);
-        let events = this._eventSource.getEvents(periodBegin, periodEnd);
-
-        let ids = events.map(e => e.id);
-        this._messageById.forEach((message, id) => {
-            if (ids.includes(id))
-                return;
-            this._messageById.delete(id);
-            this.removeMessage(message);
-        });
-
-        for (let i = 0; i < events.length; i++) {
-            let event = events[i];
-
-            let message = this._messageById.get(event.id);
-            if (!message) {
-                message = new EventMessage(event, this._date);
-                this._messageById.set(event.id, message);
-                this.addMessage(message, false);
-            } else {
-                this.moveMessage(message, i, false);
-            }
-        }
-
-        this._reloading = false;
-        this._sync();
-    }
-
-    _appInstalledChanged() {
-        this._calendarApp = undefined;
-        this._title.reactive = this._getCalendarApp() != null;
-    }
-
-    _getCalendarApp() {
-        if (this._calendarApp !== undefined)
-            return this._calendarApp;
-
-        let apps = Gio.AppInfo.get_recommended_for_type('text/calendar');
-        if (apps && (apps.length > 0)) {
-            let app = Gio.AppInfo.get_default_for_type('text/calendar', false);
-            let defaultInRecommended = apps.some(a => a.equal(app));
-            this._calendarApp = defaultInRecommended ? app : apps[0];
-        } else {
-            this._calendarApp = null;
-        }
-        return this._calendarApp;
-    }
-
-    _onTitleClicked() {
-        Main.overview.hide();
-        Main.panel.closeCalendar();
-
-        let appInfo = this._getCalendarApp();
-        if (appInfo.get_id() === 'org.gnome.Evolution.desktop') {
-            let app = this._appSys.lookup_app('evolution-calendar.desktop');
-            if (app)
-                appInfo = app.app_info;
-        }
-        appInfo.launch([], global.create_app_launch_context(0, -1));
-    }
-
-    setDate(date) {
-        super.setDate(date);
-        this._updateTitle();
-        this._reloadEvents();
-    }
-
-    _shouldShow() {
-        return !this.empty || !isToday(this._date);
-    }
-
-    _sync() {
-        if (this._reloading)
-            return;
-
-        super._sync();
-    }
-});
-
 var TimeLabel = GObject.registerClass(
 class NotificationTimeLabel extends St.Label {
    _init(datetime) {
@@ -1055,10 +879,6 @@ class NotificationSection extends MessageList.MessageListSection {
        });
        super.vfunc_map();
    }
-
-    _shouldShow() {
-        return !this.empty && isToday(this._date);
-    }
 });

 var Placeholder = GObject.registerClass(
@@ -1067,41 +887,13 @@ class Placeholder extends St.BoxLayout {
        super._init({ style_class: 'message-list-placeholder', vertical: true });
        this._date = new Date();

-        let todayFile = Gio.File.new_for_uri('resource:///org/gnome/shell/theme/no-notifications.svg');
-        let otherFile = Gio.File.new_for_uri('resource:///org/gnome/shell/theme/no-events.svg');
-        this._todayIcon = new Gio.FileIcon({ file: todayFile });
-        this._otherIcon = new Gio.FileIcon({ file: otherFile });
-
-        this._icon = new St.Icon();
+        const file = Gio.File.new_for_uri(
+            'resource:///org/gnome/shell/theme/no-notifications.svg');
+        this._icon = new St.Icon({ gicon: new Gio.FileIcon({ file }) });
        this.add_actor(this._icon);

-        this._label = new St.Label();
+        this._label = new St.Label({ text: _('No Notifications') });
        this.add_actor(this._label);
-
-        this._sync();
-    }
-
-    setDate(date) {
-        if (sameDay(this._date, date))
-            return;
-        this._date = date;
-        this._sync();
-    }
-
-    _sync() {
-        let today = isToday(this._date);
-        if (today && this._icon.gicon == this._todayIcon)
-            return;
-        if (!today && this._icon.gicon == this._otherIcon)
-            return;
-
-        if (today) {
-            this._icon.gicon = this._todayIcon;
-            this._label.text = _("No Notifications");
-        } else {
-            this._icon.gicon = this._otherIcon;
-            this._label.text = _("No Events");
-        }
    }
 });

@@ -1166,8 +958,8 @@ class CalendarMessageList extends St.Widget {
            child: this._dndSwitch,
            label_actor: dndLabel,
        });
-        this._dndButton.bind_property('checked',
-            this._dndSwitch, 'state',
+        this._dndSwitch.bind_property('state',
+            this._dndButton, 'checked',
            GObject.BindingFlags.BIDIRECTIONAL | GObject.BindingFlags.SYNC_CREATE);
        hbox.add_child(this._dndButton);

@@ -1202,9 +994,6 @@ class CalendarMessageList extends St.Widget {
        this._notificationSection = new NotificationSection();
        this._addSection(this._notificationSection);

-        this._eventsSection = new EventsSection();
-        this._addSection(this._eventsSection);
-
        Main.sessionMode.connect('updated', this._sync.bind(this));
    }

@@ -1240,13 +1029,4 @@ class CalendarMessageList extends St.Widget {
        let canClear = sections.some(s => s.canClear && s.visible);
        this._clearButton.reactive = canClear;
    }
-
-    setEventSource(eventSource) {
-        this._eventsSection.setEventSource(eventSource);
-    }
-
-    setDate(date) {
-        this._sectionList.get_children().forEach(s => s.setDate(date));
-        this._placeholder.setDate(date);
-    }
 });
--- a/js/ui/components/init.js
+++ b/js/ui/components/init.js
@@ -13,17 +13,13 @@ var ComponentManager = class {
    _sessionUpdated() {
        let newEnabledComponents = Main.sessionMode.components;

-        newEnabledComponents.filter(
-            name => !this._enabledComponents.includes(name)
-        ).forEach(name => {
-            this._enableComponent(name);
-        });
+        newEnabledComponents
+            .filter(name => !this._enabledComponents.includes(name))
+            .forEach(name => this._enableComponent(name));

-        this._enabledComponents.filter(
-            name => !newEnabledComponents.includes(name)
-        ).forEach(name => {
-            this._disableComponent(name);
-        });
+        this._enabledComponents
+            .filter(name => !newEnabledComponents.includes(name))
+            .forEach(name => this._disableComponent(name));

        this._enabledComponents = newEnabledComponents;
    }
--- a/js/ui/components/autorunManager.js
+++ b/js/ui/components/autorunManager.js
@@ -125,8 +125,7 @@ var ContentTypeDiscoverer = class {
    _emitCallback(mount, contentTypes = []) {
        // we're not interested in win32 software content types here
        contentTypes = contentTypes.filter(
-            type => type != 'x-content/win32-software'
-        );
+            type => type !== 'x-content/win32-software');

        let apps = [];
        contentTypes.forEach(type => {
--- a/js/ui/components/networkAgent.js
+++ b/js/ui/components/networkAgent.js
@@ -10,6 +10,7 @@ const MessageTray = imports.ui.messageTray;
 const ModalDialog = imports.ui.modalDialog;
 const ShellEntry = imports.ui.shellEntry;

+Gio._promisify(Shell.NetworkAgent.prototype, 'init_async', 'init_finish');
 Gio._promisify(Shell.NetworkAgent.prototype,
    'search_vpn_plugin', 'search_vpn_plugin_finish');

@@ -482,39 +483,37 @@ var VPNRequestHandler = class {
        }
    }

-    _readStdoutOldStyle() {
-        this._dataStdout.read_line_async(GLib.PRIORITY_DEFAULT, null, (stream, result) => {
-            let [line, len_] = this._dataStdout.read_line_finish_utf8(result);
+    async _readStdoutOldStyle() {
+        const [line, len_] =
+            await this._dataStdout.read_line_async(GLib.PRIORITY_DEFAULT, null);

-            if (line == null) {
-                // end of file
-                this._stdout.close(null);
-                return;
-            }
+        if (line === null) {
+            // end of file
+            this._stdout.close(null);
+            return;
+        }

-            this._vpnChildProcessLineOldStyle(line);
+        this._vpnChildProcessLineOldStyle(line);

-            // try to read more!
-            this._readStdoutOldStyle();
-        });
+        // try to read more!
+        this._readStdoutOldStyle();
    }

-    _readStdoutNewStyle() {
-        this._dataStdout.fill_async(-1, GLib.PRIORITY_DEFAULT, null, (stream, result) => {
-            let cnt = this._dataStdout.fill_finish(result);
+    async _readStdoutNewStyle() {
+        const cnt =
+            await this._dataStdout.fill_async(-1, GLib.PRIORITY_DEFAULT, null);

-            if (cnt == 0) {
-                // end of file
-                this._showNewStyleDialog();
+        if (cnt === 0) {
+            // end of file
+            this._showNewStyleDialog();

-                this._stdout.close(null);
-                return;
-            }
+            this._stdout.close(null);
+            return;
+        }

-            // Try to read more
-            this._dataStdout.set_buffer_size(2 * this._dataStdout.get_buffer_size());
-            this._readStdoutNewStyle();
-        });
+        // Try to read more
+        this._dataStdout.set_buffer_size(2 * this._dataStdout.get_buffer_size());
+        this._readStdoutNewStyle();
    }

    _showNewStyleDialog() {
@@ -621,15 +620,17 @@ var NetworkAgent = class {
        this._native.connect('cancel-request', this._cancelRequest.bind(this));

        this._initialized = false;
-        this._native.init_async(GLib.PRIORITY_DEFAULT, null, (o, res) => {
-            try {
-                this._native.init_finish(res);
-                this._initialized = true;
-            } catch (e) {
-                this._native = null;
-                logError(e, 'error initializing the NetworkManager Agent');
-            }
-        });
+        this._initNative();
+    }
+
+    async _initNative() {
+        try {
+            await this._native.init_async(GLib.PRIORITY_DEFAULT, null);
+            this._initialized = true;
+        } catch (e) {
+            this._native = null;
+            logError(e, 'error initializing the NetworkManager Agent');
+        }
    }

    enable() {
--- a/js/ui/components/polkitAgent.js
+++ b/js/ui/components/polkitAgent.js
@@ -327,12 +327,16 @@ var AuthenticationDialog = GObject.registerClass({
        }

        let resetDialog = () => {
+            this._sessionRequestTimeoutId = 0;
+
            if (this.state != ModalDialog.State.OPENED)
-                return;
+                return GLib.SOURCE_REMOVE;

            this._passwordEntry.hide();
            this._cancelButton.grab_key_focus();
            this._okButton.reactive = false;
+
+            return GLib.SOURCE_REMOVE;
        };

        if (delay) {
--- a/js/ui/components/telepathyClient.js
+++ b/js/ui/components/telepathyClient.js
@@ -7,6 +7,14 @@ var Tpl = null;
 var Tp = null;
 try {
    ({ TelepathyGLib: Tp, TelepathyLogger: Tpl } = imports.gi);
+
+    Gio._promisify(Tp.Channel.prototype, 'close_async', 'close_finish');
+    Gio._promisify(Tp.Channel.prototype,
+        'send_message_async', 'send_message_finish');
+    Gio._promisify(Tp.ChannelDispatchOperation.prototype,
+        'claim_with_async', 'claim_with_finish');
+    Gio._promisify(Tpl.LogManager.prototype,
+        'get_filtered_events_async', 'get_filtered_events_finish');
 } catch (e) {
    log('Telepathy is not available, chat integration will be disabled.');
 }
@@ -215,7 +223,7 @@ class TelepathyClient extends Tp.BaseClient {

            // We can only handle text channel, so close any other channel
            if (!(channel instanceof Tp.TextChannel)) {
-                channel.close_async(null);
+                channel.close_async();
                continue;
            }

@@ -261,7 +269,7 @@ class TelepathyClient extends Tp.BaseClient {
        }
    }

-    _approveTextChannel(account, conn, channel, dispatchOp, context) {
+    async _approveTextChannel(account, conn, channel, dispatchOp, context) {
        let [targetHandle_, targetHandleType] = channel.get_handle();

        if (targetHandleType != Tp.HandleType.CONTACT) {
@@ -270,17 +278,15 @@ class TelepathyClient extends Tp.BaseClient {
            return;
        }

-        // Approve private text channels right away as we are going to handle it
-        dispatchOp.claim_with_async(this, (o, result) => {
-            try {
-                dispatchOp.claim_with_finish(result);
-                this._handlingChannels(account, conn, [channel], false);
-            } catch (err) {
-                log('Failed to Claim channel: %s'.format(err.toString()));
-            }
-        });
-
        context.accept();
+
+        // Approve private text channels right away as we are going to handle it
+        try {
+            await dispatchOp.claim_with_async(this);
+            this._handlingChannels(account, conn, [channel], false);
+        } catch (err) {
+            log('Failed to Claim channel: %s'.format(err.toString()));
+        }
    }

    _delegatedChannelsCb(_client, _channels) {
@@ -441,17 +447,14 @@ class ChatSource extends MessageTray.Source {
        }
    }

-    _getLogMessages() {
+    async _getLogMessages() {
        let logManager = Tpl.LogManager.dup_singleton();
        let entity = Tpl.Entity.new_from_tp_contact(this._contact, Tpl.EntityType.CONTACT);

-        logManager.get_filtered_events_async(this._account, entity,
-                                             Tpl.EventTypeMask.TEXT, SCROLLBACK_HISTORY_LINES,
-                                             null, this._displayPendingMessages.bind(this));
-    }
-
-    _displayPendingMessages(logManager, result) {
-        let [success_, events] = logManager.get_filtered_events_finish(result);
+        const [events] = await logManager.get_filtered_events_async(
+            this._account, entity,
+            Tpl.EventTypeMask.TEXT, SCROLLBACK_HISTORY_LINES,
+            null);

        let logMessages = events.map(e => ChatMessage.newFromTplTextEvent(e));
        this._ensureNotification();
@@ -509,9 +512,7 @@ class ChatSource extends MessageTray.Source {
            this._ackMessages();
            // The chat box has been destroyed so it can't
            // handle the channel any more.
-            this._channel.close_async((channel, result) => {
-                channel.close_finish(result);
-            });
+            this._channel.close_async();
        } else {
            // Don't indicate any unread messages when the notification
            // that represents them has been destroyed.
@@ -609,9 +610,7 @@ class ChatSource extends MessageTray.Source {
        }

        let msg = Tp.ClientMessage.new_text(type, text);
-        this._channel.send_message_async(msg, 0, (src, result) => {
-            this._channel.send_message_finish(result);
-        });
+        this._channel.send_message_async(msg, 0);
    }

    setChatState(state) {
--- a/js/ui/dash.js
+++ b/js/ui/dash.js
@@ -292,11 +292,11 @@ class DashActor extends St.Widget {
        });
    }

-    vfunc_allocate(box, flags) {
+    vfunc_allocate(box) {
        let contentBox = this.get_theme_node().get_content_box(box);
        let availWidth = contentBox.x2 - contentBox.x1;

-        this.set_allocation(box, flags);
+        this.set_allocation(box);

        let [appIcons, showAppsButton] = this.get_children();
        let [, showAppsNatHeight] = showAppsButton.get_preferred_height(availWidth);
@@ -306,11 +306,11 @@ class DashActor extends St.Widget {
        childBox.y1 = contentBox.y1;
        childBox.x2 = contentBox.x2;
        childBox.y2 = contentBox.y2 - showAppsNatHeight;
-        appIcons.allocate(childBox, flags);
+        appIcons.allocate(childBox);

        childBox.y1 = contentBox.y2 - showAppsNatHeight;
        childBox.y2 = contentBox.y2;
-        showAppsButton.allocate(childBox, flags);
+        showAppsButton.allocate(childBox);
    }

    vfunc_get_preferred_height(forWidth) {
@@ -815,7 +815,12 @@ var Dash = GObject.registerClass({
        else
            pos = 0; // always insert at the top when dash is empty

-        if (pos != this._dragPlaceholderPos && pos <= numFavorites && this._animatingPlaceholdersCount == 0) {
+        // Put the placeholder after the last favorite if we are not
+        // in the favorites zone
+        if (pos > numFavorites)
+            pos = numFavorites;
+
+        if (pos !== this._dragPlaceholderPos && this._animatingPlaceholdersCount === 0) {
            this._dragPlaceholderPos = pos;

            // Don't allow positioning before or after self
@@ -843,11 +848,6 @@ var Dash = GObject.registerClass({
            this._dragPlaceholder.show(fadeIn);
        }

-        // Remove the drag placeholder if we are not in the
-        // "favorites zone"
-        if (pos > numFavorites)
-            this._clearDragPlaceholder();
-
        if (!this._dragPlaceholder)
            return DND.DragMotionResult.NO_DROP;

--- a/js/ui/dateMenu.js
+++ b/js/ui/dateMenu.js
@@ -13,7 +13,11 @@ const System = imports.system;

 const { loadInterfaceXML } = imports.misc.fileUtils;

+const NC_ = (context, str) => '%s\u0004%s'.format(context, str);
+const T_ = Shell.util_translate_time_string;
+
 const MAX_FORECASTS = 5;
+const ELLIPSIS_CHAR = '\u2026';

 const ClocksIntegrationIface = loadInterfaceXML('org.gnome.Shell.ClocksIntegration');
 const ClocksProxy = Gio.DBusProxy.makeProxyWrapper(ClocksIntegrationIface);
@@ -84,6 +88,188 @@ class TodayButton extends St.Button {
    }
 });

+var EventsSection = GObject.registerClass(
+class EventsSection extends St.Button {
+    _init() {
+        super._init({
+            style_class: 'events-button',
+            can_focus: true,
+            x_expand: true,
+            child: new St.BoxLayout({
+                style_class: 'events-box',
+                vertical: true,
+                x_expand: true,
+            }),
+        });
+
+        this._startDate = null;
+        this._endDate = null;
+
+        this._eventSource = null;
+        this._calendarApp = null;
+
+        this._title = new St.Label({
+            style_class: 'events-title',
+        });
+        this.child.add_child(this._title);
+
+        this._eventsList = new St.BoxLayout({
+            style_class: 'events-list',
+            vertical: true,
+            x_expand: true,
+        });
+        this.child.add_child(this._eventsList);
+
+        this._appSys = Shell.AppSystem.get_default();
+        this._appSys.connect('installed-changed',
+            this._appInstalledChanged.bind(this));
+        this._appInstalledChanged();
+    }
+
+    setDate(date) {
+        const day = [date.getFullYear(), date.getMonth(), date.getDate()];
+        this._startDate = new Date(...day);
+        this._endDate = new Date(...day, 23, 59, 59, 999);
+
+        this._updateTitle();
+        this._reloadEvents();
+    }
+
+    setEventSource(eventSource) {
+        if (!(eventSource instanceof Calendar.EventSourceBase))
+            throw new Error('Event source is not valid type');
+
+        this._eventSource = eventSource;
+        this._eventSource.connect('changed', this._reloadEvents.bind(this));
+        this._eventSource.connect('notify::has-calendars',
+            this._sync.bind(this));
+        this._sync();
+    }
+
+    _updateTitle() {
+        /* Translators: Shown on calendar heading when selected day occurs on current year */
+        const sameYearFormat = T_(NC_('calendar heading', '%B %-d'));
+
+        /* Translators: Shown on calendar heading when selected day occurs on different year */
+        const otherYearFormat = T_(NC_('calendar heading', '%B %-d %Y'));
+
+        const timeSpanDay = GLib.TIME_SPAN_DAY / 1000;
+        const now = new Date();
+
+        if (this._startDate <= now && now <= this._endDate)
+            this._title.text = _('Today');
+        else if (this._endDate < now && now - this._endDate < timeSpanDay)
+            this._title.text = _('Yesterday');
+        else if (this._startDate > now && this._startDate - now < timeSpanDay)
+            this._title.text = _('Tomorrow');
+        else if (this._startDate.getFullYear() === now.getFullYear())
+            this._title.text = this._startDate.toLocaleFormat(sameYearFormat);
+        else
+            this._title.text = this._startDate.toLocaleFormat(otherYearFormat);
+    }
+
+    _formatEventTime(event) {
+        const allDay = event.allDay ||
+            (event.date <= this._startDate && event.end >= this._endDate);
+
+        let title;
+        if (allDay) {
+            /* Translators: Shown in calendar event list for all day events
+             * Keep it short, best if you can use less then 10 characters
+             */
+            title = C_('event list time', 'All Day');
+        } else {
+            let date = event.date >= this._startDate ? event.date : event.end;
+            title = Util.formatTime(date, { timeOnly: true });
+        }
+
+        const rtl = Clutter.get_default_text_direction() === Clutter.TextDirection.RTL;
+        if (event.date < this._startDate && !event.allDay) {
+            if (rtl)
+                title = '%s%s'.format(title, ELLIPSIS_CHAR);
+            else
+                title = '%s%s'.format(ELLIPSIS_CHAR, title);
+        }
+        if (event.end > this._endDate && !event.allDay) {
+            if (rtl)
+                title = '%s%s'.format(ELLIPSIS_CHAR, title);
+            else
+                title = '%s%s'.format(title, ELLIPSIS_CHAR);
+        }
+        return title;
+    }
+
+    _reloadEvents() {
+        if (this._eventSource.isLoading || this._reloading)
+            return;
+
+        this._reloading = true;
+
+        [...this._eventsList].forEach(c => c.destroy());
+
+        const events =
+            this._eventSource.getEvents(this._startDate, this._endDate);
+
+        for (let event of events) {
+            const box = new St.BoxLayout({
+                style_class: 'event-box',
+                vertical: true,
+            });
+            box.add(new St.Label({
+                text: event.summary,
+                style_class: 'event-summary',
+            }));
+            box.add(new St.Label({
+                text: this._formatEventTime(event),
+                style_class: 'event-time',
+            }));
+            this._eventsList.add_child(box);
+        }
+
+        if (this._eventsList.get_n_children() === 0) {
+            const placeholder = new St.Label({
+                text: _('No Events'),
+                style_class: 'event-placeholder',
+            });
+            this._eventsList.add_child(placeholder);
+        }
+
+        this._reloading = false;
+        this._sync();
+    }
+
+    vfunc_clicked() {
+        Main.overview.hide();
+        Main.panel.closeCalendar();
+
+        let appInfo = this._calendarApp;
+        if (appInfo.get_id() === 'org.gnome.Evolution.desktop') {
+            const app = this._appSys.lookup_app('evolution-calendar.desktop');
+            if (app)
+                appInfo = app.app_info;
+        }
+        appInfo.launch([], global.create_app_launch_context(0, -1));
+    }
+
+    _appInstalledChanged() {
+        const apps = Gio.AppInfo.get_recommended_for_type('text/calendar');
+        if (apps && (apps.length > 0)) {
+            const app = Gio.AppInfo.get_default_for_type('text/calendar', false);
+            const defaultInRecommended = apps.some(a => a.equal(app));
+            this._calendarApp = defaultInRecommended ? app : apps[0];
+        } else {
+            this._calendarApp = null;
+        }
+
+        return this._sync();
+    }
+
+    _sync() {
+        this.visible = this._eventSource && this._eventSource.hasCalendars;
+        this.reactive = this._calendarApp !== null;
+    }
+});
+
 var WorldClocksSection = GObject.registerClass(
 class WorldClocksSection extends St.Button {
    _init() {
@@ -94,6 +280,7 @@ class WorldClocksSection extends St.Button {
        });
        this._clock = new GnomeDesktop.WallClock();
        this._clockNotifyId = 0;
+        this._tzNotifyId = 0;

        this._locations = [];

@@ -166,8 +353,6 @@ class WorldClocksSection extends St.Button {
        layout.attach(header, 0, 0, 2, 1);
        this.label_actor = header;

-        let localOffset = GLib.DateTime.new_now_local().get_utc_offset();
-
        for (let i = 0; i < this._locations.length; i++) {
            let l = this._locations[i].location;

@@ -180,21 +365,8 @@ class WorldClocksSection extends St.Button {

            let time = new St.Label({ style_class: 'world-clocks-time' });

-            const utcOffset = this._getTimeAtLocation(l).get_utc_offset();
-            const offsetCurrentTz = utcOffset - localOffset;
-            const offsetHours = Math.abs(offsetCurrentTz) / GLib.TIME_SPAN_HOUR;
-            const offsetMinutes =
-                (Math.abs(offsetCurrentTz) % GLib.TIME_SPAN_HOUR) /
-                GLib.TIME_SPAN_MINUTE;
-
-            const prefix = offsetCurrentTz >= 0 ? '+' : '-';
-            const text = offsetMinutes === 0
-                ? '%s%d'.format(prefix, offsetHours)
-                : '%s%d\u2236%d'.format(prefix, offsetHours, offsetMinutes);
-
            const tz = new St.Label({
                style_class: 'world-clocks-timezone',
-                text,
                x_align: Clutter.ActorAlign.END,
                y_align: Clutter.ActorAlign.CENTER,
            });
@@ -212,32 +384,65 @@ class WorldClocksSection extends St.Button {
                layout.attach(tz, 2, i + 1, 1, 1);
            }

-            this._locations[i].actor = time;
+            this._locations[i].timeLabel = time;
+            this._locations[i].tzLabel = tz;
        }

        if (this._grid.get_n_children() > 1) {
            if (!this._clockNotifyId) {
                this._clockNotifyId =
-                    this._clock.connect('notify::clock', this._updateLabels.bind(this));
+                    this._clock.connect('notify::clock', this._updateTimeLabels.bind(this));
            }
-            this._updateLabels();
+            if (!this._tzNotifyId) {
+                this._tzNotifyId =
+                    this._clock.connect('notify::timezone', this._updateTimezoneLabels.bind(this));
+            }
+            this._updateTimeLabels();
+            this._updateTimezoneLabels();
        } else {
            if (this._clockNotifyId)
                this._clock.disconnect(this._clockNotifyId);
            this._clockNotifyId = 0;
+
+            if (this._tzNotifyId)
+                this._clock.disconnect(this._tzNotifyId);
+            this._tzNotifyId = 0;
        }
    }

+    _getTimezoneOffsetAtLocation(location) {
+        const localOffset = GLib.DateTime.new_now_local().get_utc_offset();
+        const utcOffset = this._getTimeAtLocation(location).get_utc_offset();
+        const offsetCurrentTz = utcOffset - localOffset;
+        const offsetHours = Math.abs(offsetCurrentTz) / GLib.TIME_SPAN_HOUR;
+        const offsetMinutes =
+            (Math.abs(offsetCurrentTz) % GLib.TIME_SPAN_HOUR) /
+            GLib.TIME_SPAN_MINUTE;
+
+        const prefix = offsetCurrentTz >= 0 ? '+' : '-';
+        const text = offsetMinutes === 0
+            ? '%s%d'.format(prefix, offsetHours)
+            : '%s%d\u2236%d'.format(prefix, offsetHours, offsetMinutes);
+        return text;
+    }
+
    _getTimeAtLocation(location) {
        let tz = GLib.TimeZone.new(location.get_timezone().get_tzid());
        return GLib.DateTime.new_now(tz);
    }

-    _updateLabels() {
+    _updateTimeLabels() {
        for (let i = 0; i < this._locations.length; i++) {
            let l = this._locations[i];
            let now = this._getTimeAtLocation(l.location);
-            l.actor.text = Util.formatTime(now, { timeOnly: true });
+            l.timeLabel.text = Util.formatTime(now, { timeOnly: true });
+        }
+    }
+
+    _updateTimezoneLabels() {
+        for (let i = 0; i < this._locations.length; i++) {
+            let l = this._locations[i];
+            l.tzLabel.text = this._getTimezoneOffsetAtLocation(l.location);
        }
    }

@@ -281,13 +486,13 @@ class WeatherSection extends St.Button {
        this.child = box;

        let titleBox = new St.BoxLayout({ style_class: 'weather-header-box' });
-        titleBox.add_child(new St.Label({
+        this._titleLabel = new St.Label({
            style_class: 'weather-header',
            x_align: Clutter.ActorAlign.START,
            x_expand: true,
            y_align: Clutter.ActorAlign.END,
-            text: _('Weather'),
-        }));
+        });
+        titleBox.add_child(this._titleLabel);
        box.add_child(titleBox);

        this._titleLocation = new St.Label({
@@ -414,10 +619,8 @@ class WeatherSection extends St.Button {
    _updateForecasts() {
        this._forecastGrid.destroy_all_children();

-        if (!this._weatherClient.hasLocation) {
-            this._setStatusLabel(_("Select a location…"));
+        if (!this._weatherClient.hasLocation)
            return;
-        }

        const { info } = this._weatherClient;
        this._titleLocation.text = this._findBestLocationName(info.location);
@@ -444,6 +647,12 @@ class WeatherSection extends St.Button {
        if (!this.visible)
            return;

+        if (this._weatherClient.hasLocation)
+            this._titleLabel.text = _('Weather');
+        else
+            this._titleLabel.text = _('Select weather location…');
+
+        this._forecastGrid.visible = this._weatherClient.hasLocation;
        this._titleLocation.visible = this._weatherClient.hasLocation;

        this._updateForecasts();
@@ -462,7 +671,6 @@ class MessagesIndicator extends St.Icon {

        this._sources = [];
        this._count = 0;
-        this._doNotDisturb = false;

        this._settings = new Gio.Settings({
            schema_id: 'org.gnome.desktop.notifications',
@@ -543,8 +751,8 @@ class FreezableBinLayout extends Clutter.BinLayout {
        return this._savedHeight;
    }

-    vfunc_allocate(container, allocation, flags) {
-        super.vfunc_allocate(container, allocation, flags);
+    vfunc_allocate(container, allocation) {
+        super.vfunc_allocate(container, allocation);

        let [width, height] = allocation.get_size();
        this._savedWidth = [width, width];
@@ -610,7 +818,7 @@ class DateMenuButton extends PanelMenu.Button {
        this._calendar.connect('selected-date-changed', (_calendar, datetime) => {
            let date = _gDateTimeToDate(datetime);
            layout.frozen = !_isToday(date);
-            this._messageList.setDate(date);
+            this._eventsItem.setDate(date);
        });

        this.menu.connect('open-state-changed', (menu, isOpen) => {
@@ -619,7 +827,7 @@ class DateMenuButton extends PanelMenu.Button {
                let now = new Date();
                this._calendar.setDate(now);
                this._date.setDate(now);
-                this._messageList.setDate(now);
+                this._eventsItem.setDate(now);
            }
        });

@@ -650,6 +858,9 @@ class DateMenuButton extends PanelMenu.Button {
                                             style_class: 'datemenu-displays-box' });
        this._displaysSection.add_actor(displaysBox);

+        this._eventsItem = new EventsSection();
+        displaysBox.add_child(this._eventsItem);
+
        this._clocksItem = new WorldClocksSection();
        displaysBox.add_child(this._clocksItem);

@@ -675,7 +886,7 @@ class DateMenuButton extends PanelMenu.Button {
            this._eventSource.destroy();

        this._calendar.setEventSource(eventSource);
-        this._messageList.setEventSource(eventSource);
+        this._eventsItem.setEventSource(eventSource);

        this._eventSource = eventSource;
    }
--- a/js/ui/dnd.js
+++ b/js/ui/dnd.js
@@ -375,19 +375,30 @@ var _Draggable = class _Draggable {

            this._dragActorSource = undefined;
            this._dragOrigParent = this.actor.get_parent();
-            this._dragOrigX = this._dragActor.x;
-            this._dragOrigY = this._dragActor.y;
+            this._dragActorHadFixedPos = this._dragActor.fixed_position_set;
+            this._dragOrigX = this._dragActor.allocation.x1;
+            this._dragOrigY = this._dragActor.allocation.y1;
+            this._dragOrigWidth = this._dragActor.allocation.get_width();
+            this._dragOrigHeight = this._dragActor.allocation.get_height();
            this._dragOrigScale = this._dragActor.scale_x;

+            // When the actor gets reparented to the uiGroup, it will be
+            // allocated its preferred size, so use that size instead of the
+            // current allocation size.
+            const [, newAllocatedWidth] = this._dragActor.get_preferred_width(-1);
+            const [, newAllocatedHeight] = this._dragActor.get_preferred_height(-1);
+
+            const transformedAllocation =
+                Shell.util_get_transformed_allocation(this._dragActor);
+
            // Set the actor's scale such that it will keep the same
            // transformed size when it's reparented to the uiGroup
-            let [scaledWidth, scaledHeight] = this.actor.get_transformed_size();
-            this._dragActor.set_scale(scaledWidth / this.actor.width,
-                                      scaledHeight / this.actor.height);
+            this._dragActor.set_scale(
+                transformedAllocation.get_width() / newAllocatedWidth,
+                transformedAllocation.get_height() / newAllocatedHeight);

-            let [actorStageX, actorStageY] = this.actor.get_transformed_position();
-            this._dragOffsetX = actorStageX - this._dragStartX;
-            this._dragOffsetY = actorStageY - this._dragStartY;
+            this._dragOffsetX = transformedAllocation.x1 - this._dragStartX;
+            this._dragOffsetY = transformedAllocation.y1 - this._dragStartY;

            this._dragOrigParent.remove_actor(this._dragActor);
            Main.uiGroup.add_child(this._dragActor);
@@ -417,6 +428,10 @@ var _Draggable = class _Draggable {
        this._dragOffsetX -= transX;
        this._dragOffsetY -= transY;

+        this._dragActor.set_position(
+            this._dragX + this._dragOffsetX,
+            this._dragY + this._dragOffsetY);
+
        if (this._dragActorMaxSize != undefined) {
            let [scaledWidth, scaledHeight] = this._dragActor.get_transformed_size();
            let currentSize = Math.max(scaledWidth, scaledHeight);
@@ -635,9 +650,15 @@ var _Draggable = class _Draggable {
            if (parentWidth != 0)
                parentScale = parentScaledWidth / parentWidth;

+            // Also adjust for the difference in the original actor width
+            // and the width it is now (children of uiGroup always get
+            // allocated their preferred size)
+            const childScaleX =
+                this._dragOrigWidth / this._dragActor.allocation.get_width();
+
            x = parentX + parentScale * this._dragOrigX;
            y = parentY + parentScale * this._dragOrigY;
-            scale = this._dragOrigScale * parentScale;
+            scale = this._dragOrigScale * parentScale * childScaleX;
        } else {
            // Snap back actor to its original stage position
            x = this._snapBackX;
@@ -718,7 +739,10 @@ var _Draggable = class _Draggable {
            Main.uiGroup.remove_child(this._dragActor);
            this._dragOrigParent.add_actor(this._dragActor);
            dragActor.set_scale(this._dragOrigScale, this._dragOrigScale);
-            dragActor.set_position(this._dragOrigX, this._dragOrigY);
+            if (this._dragActorHadFixedPos)
+                dragActor.set_position(this._dragOrigX, this._dragOrigY);
+            else
+                dragActor.fixed_position_set = false;
        } else {
            dragActor.destroy();
        }
--- a/js/ui/endSessionDialog.js
+++ b/js/ui/endSessionDialog.js
@@ -29,8 +29,6 @@ const UserWidget = imports.ui.userWidget;

 const { loadInterfaceXML } = imports.misc.fileUtils;

-Gio._promisify(Gio.DBusConnection.prototype, 'call', 'call_finish');
-
 const _ITEM_ICON_SIZE = 64;

 const EndSessionDialogIface = loadInterfaceXML('org.gnome.SessionManager.EndSessionDialog');
@@ -280,7 +278,7 @@ class EndSessionDialog extends ModalDialog.ModalDialog {
        this._dbusImpl.export(Gio.DBus.session, '/org/gnome/SessionManager/EndSessionDialog');
    }

-    _onPkOfflineProxyCreated(proxy, error) {
+    async _onPkOfflineProxyCreated(proxy, error) {
        if (error) {
            log(error.message);
            return;
@@ -295,15 +293,12 @@ class EndSessionDialog extends ModalDialog.ModalDialog {
        }

        // It only makes sense to check for this permission if PackageKit is available.
-        Polkit.Permission.new(
-            'org.freedesktop.packagekit.trigger-offline-update', null, null,
-            (source, res) => {
-                try {
-                    this._updatesPermission = Polkit.Permission.new_finish(res);
-                } catch (e) {
-                    log('No permission to trigger offline updates: %s'.format(e.toString()));
-                }
-            });
+        try {
+            this._updatesPermission = await Polkit.Permission.new(
+                'org.freedesktop.packagekit.trigger-offline-update', null, null);
+        } catch (e) {
+            log('No permission to trigger offline updates: %s'.format(e.toString()));
+        }
    }

    _onDestroy() {
--- a/js/ui/environment.js
+++ b/js/ui/environment.js
@@ -10,10 +10,21 @@ imports.gi.versions.Gtk = '3.0';
 imports.gi.versions.TelepathyGLib = '0.12';
 imports.gi.versions.TelepathyLogger = '0.2';

-const { Clutter, Gio, GLib, GObject, Meta, Shell, St } = imports.gi;
+const { Clutter, Gio, GLib, GObject, Meta, Polkit, Shell, St } = imports.gi;
 const Gettext = imports.gettext;
 const System = imports.system;

+Gio._promisify(Gio.DataInputStream.prototype, 'fill_async', 'fill_finish');
+Gio._promisify(Gio.DataInputStream.prototype,
+    'read_line_async', 'read_line_finish');
+Gio._promisify(Gio.DBus, 'get', 'get_finish');
+Gio._promisify(Gio.DBusConnection.prototype, 'call', 'call_finish');
+Gio._promisify(Gio.DBusProxy, 'new', 'new_finish');
+Gio._promisify(Gio.DBusProxy.prototype, 'init_async', 'init_finish');
+Gio._promisify(Gio.DBusProxy.prototype,
+    'call_with_unix_fd_list', 'call_with_unix_fd_list_finish');
+Gio._promisify(Polkit.Permission, 'new', 'new_finish');
+
 let _localTimeZone = null;

 // We can't import shell JS modules yet, because they may have
@@ -234,16 +245,15 @@ function _loggingFunc(...args) {
 }

 function init() {
-    // Add some bindings to the global JS namespace; (gjs keeps the web
-    // browser convention of having that namespace be called 'window'.)
-    window.global = Shell.Global.get();
+    // Add some bindings to the global JS namespace
+    globalThis.global = Shell.Global.get();

-    window.log = _loggingFunc;
+    globalThis.log = _loggingFunc;

-    window._ = Gettext.gettext;
-    window.C_ = Gettext.pgettext;
-    window.ngettext = Gettext.ngettext;
-    window.N_ = s => s;
+    globalThis._ = Gettext.gettext;
+    globalThis.C_ = Gettext.pgettext;
+    globalThis.ngettext = Gettext.ngettext;
+    globalThis.N_ = s => s;

    GObject.gtypeNameBasedOnJSPath = true;

@@ -275,6 +285,11 @@ function init() {
        _easeActorProperty(this, 'value', target, params);
    };

+    Clutter.Actor.prototype[Symbol.iterator] = function* () {
+        for (let c = this.get_first_child(); c; c = c.get_next_sibling())
+            yield c;
+    };
+
    Clutter.Actor.prototype.toString = function () {
        return St.describe_actor(this);
    };
@@ -345,10 +360,12 @@ function init() {

    // OK, now things are initialized enough that we can import shell JS
    const Format = imports.format;
-    const Tweener = imports.ui.tweener;

-    Tweener.init();
    String.prototype.format = Format.format;
+
+    Math.clamp = function (x, lower, upper) {
+        return Math.min(Math.max(x, lower), upper);
+    };
 }

 // adjustAnimationTime:
--- a/js/ui/extensionDownloader.js
+++ b/js/ui/extensionDownloader.js
@@ -238,7 +238,7 @@ class InstallExtensionDialog extends ModalDialog.ModalDialog {
 });

 function init() {
-    _httpSession = new Soup.SessionAsync({ ssl_use_system_ca_file: true });
+    _httpSession = new Soup.Session({ ssl_use_system_ca_file: true });

    // See: https://bugzilla.gnome.org/show_bug.cgi?id=655189 for context.
    // _httpSession.add_feature(new Soup.ProxyResolverDefault());
--- a/js/ui/extensionSystem.js
+++ b/js/ui/extensionSystem.js
@@ -26,6 +26,7 @@ var ExtensionManager = class {
        this._updateNotified = false;

        this._extensions = new Map();
+        this._unloadedExtensions = new Map();
        this._enabledExtensions = [];
        this._extensionOrder = [];

@@ -102,18 +103,18 @@ var ExtensionManager = class {
            }
        }

-        if (extension.stylesheet) {
-            let theme = St.ThemeContext.get_for_stage(global.stage).get_theme();
-            theme.unload_stylesheet(extension.stylesheet);
-            delete extension.stylesheet;
-        }
-
        try {
            extension.stateObj.disable();
        } catch (e) {
            this.logExtensionError(uuid, e);
        }

+        if (extension.stylesheet) {
+            let theme = St.ThemeContext.get_for_stage(global.stage).get_theme();
+            theme.unload_stylesheet(extension.stylesheet);
+            delete extension.stylesheet;
+        }
+
        for (let i = 0; i < order.length; i++) {
            let otherUuid = order[i];
            try {
@@ -215,6 +216,24 @@ var ExtensionManager = class {
        return true;
    }

+    openExtensionPrefs(uuid, parentWindow, options) {
+        const extension = this.lookup(uuid);
+        if (!extension || !extension.hasPrefs)
+            return false;
+
+        Gio.DBus.session.call(
+            'org.gnome.Shell.Extensions',
+            '/org/gnome/Shell/Extensions',
+            'org.gnome.Shell.Extensions',
+            'OpenExtensionPrefs',
+            new GLib.Variant('(ssa{sv})', [uuid, parentWindow, options]),
+            null,
+            Gio.DBusCallFlags.NONE,
+            -1,
+            null);
+        return true;
+    }
+
    notifyExtensionUpdate(uuid) {
        let extension = this.lookup(uuid);
        if (!extension)
@@ -241,7 +260,8 @@ var ExtensionManager = class {
        if (!extension)
            return;

-        let message = error.toString();
+        const message = error instanceof Error
+            ? error.message : error.toString();

        extension.error = message;
        extension.state = ExtensionState.ERROR;
@@ -250,6 +270,7 @@ var ExtensionManager = class {
        extension.errors.push(message);

        logError(error, 'Extension %s'.format(uuid));
+        this._updateCanChange(extension);
        this.emit('extension-state-changed', extension);
    }

@@ -299,6 +320,14 @@ var ExtensionManager = class {
        return extension;
    }

+    _canLoad(extension) {
+        if (!this._unloadedExtensions.has(extension.uuid))
+            return true;
+
+        const version = this._unloadedExtensions.get(extension.uuid);
+        return extension.metadata.version === version;
+    }
+
    loadExtension(extension) {
        // Default to error, we set success as the last step
        extension.state = ExtensionState.ERROR;
@@ -307,6 +336,9 @@ var ExtensionManager = class {

        if (checkVersion && ExtensionUtils.isOutOfDate(extension)) {
            extension.state = ExtensionState.OUT_OF_DATE;
+        } else if (!this._canLoad(extension)) {
+            this.logExtensionError(extension.uuid, new Error(
+                'A different version was loaded previously. You need to log out for changes to take effect.'));
        } else {
            let enabled = this._enabledExtensions.includes(extension.uuid);
            if (enabled) {
@@ -317,6 +349,8 @@ var ExtensionManager = class {
            } else {
                extension.state = ExtensionState.INITIALIZED;
            }
+
+            this._unloadedExtensions.delete(extension.uuid);
        }

        this._updateCanChange(extension);
@@ -324,15 +358,22 @@ var ExtensionManager = class {
    }

    unloadExtension(extension) {
+        const { uuid, type } = extension;
+
        // Try to disable it -- if it's ERROR'd, we can't guarantee that,
        // but it will be removed on next reboot, and hopefully nothing
        // broke too much.
-        this._callExtensionDisable(extension.uuid);
+        this._callExtensionDisable(uuid);

        extension.state = ExtensionState.UNINSTALLED;
        this.emit('extension-state-changed', extension);

-        this._extensions.delete(extension.uuid);
+        // If we did install an importer, it is now cached and it's
+        // impossible to load a different version
+        if (type === ExtensionType.PER_USER && extension.imports)
+            this._unloadedExtensions.set(uuid, extension.metadata.version);
+
+        this._extensions.delete(uuid);
        return true;
    }

@@ -445,19 +486,15 @@ var ExtensionManager = class {

        // Find and enable all the newly enabled extensions: UUIDs found in the
        // new setting, but not in the old one.
-        newEnabledExtensions.filter(
-            uuid => !this._enabledExtensions.includes(uuid)
-        ).forEach(uuid => {
-            this._callExtensionEnable(uuid);
-        });
+        newEnabledExtensions
+            .filter(uuid => !this._enabledExtensions.includes(uuid))
+            .forEach(uuid => this._callExtensionEnable(uuid));

        // Find and disable all the newly disabled extensions: UUIDs found in the
        // old setting, but not in the new one.
-        this._extensionOrder.filter(
-            uuid => !newEnabledExtensions.includes(uuid)
-        ).reverse().forEach(uuid => {
-            this._callExtensionDisable(uuid);
-        });
+        this._extensionOrder
+            .filter(uuid => !newEnabledExtensions.includes(uuid))
+            .reverse().forEach(uuid => this._callExtensionDisable(uuid));

        this._enabledExtensions = newEnabledExtensions;
    }
--- a/js/ui/iconGrid.js
+++ b/js/ui/iconGrid.js
--- a/js/ui/keyboard.js
+++ b/js/ui/keyboard.js
@@ -61,7 +61,7 @@ class AspectContainer extends St.Widget {
        this.queue_relayout();
    }

-    vfunc_allocate(box, flags) {
+    vfunc_allocate(box) {
        if (box.get_width() > 0 && box.get_height() > 0) {
            let sizeRatio = box.get_width() / box.get_height();

@@ -79,7 +79,7 @@ class AspectContainer extends St.Widget {
            }
        }

-        super.vfunc_allocate(box, flags);
+        super.vfunc_allocate(box);
    }
 });

@@ -722,7 +722,7 @@ var EmojiPager = GObject.registerClass({

    _onPan(action) {
        let [dist_, dx, dy_] = action.get_motion_delta(0);
-        this.delta = this.delta + dx;
+        this.delta += dx;

        if (this._currentKey != null) {
            this._currentKey.cancel();
@@ -935,8 +935,7 @@ var EmojiSelection = GObject.registerClass({
        this.add_child(this._emojiPager);

        this._pageIndicator = new PageIndicators.PageIndicators(
-            Clutter.Orientation.HORIZONTAL
-        );
+            Clutter.Orientation.HORIZONTAL);
        this.add_child(this._pageIndicator);
        this._pageIndicator.setReactive(false);

@@ -1119,7 +1118,7 @@ var KeyboardManager = class KeyBoardManager {
        this._seat.connect('notify::touch-mode', this._syncEnabled.bind(this));

        this._lastDevice = null;
-        Meta.get_backend().connect('last-device-changed', (backend, device) => {
+        global.backend.connect('last-device-changed', (backend, device) => {
            if (device.device_type === Clutter.InputDeviceType.KEYBOARD_DEVICE)
                return;

@@ -1257,6 +1256,10 @@ class Keyboard extends St.BoxLayout {
        return this._keyboardVisible && super.visible;
    }

+    set visible(visible) {
+        super.visible = visible;
+    }
+
    _onFocusPositionChanged(focusTracker) {
        let rect = focusTracker.getCurrentRect();
        this.setCursorLocation(focusTracker.currentWindow, rect.x, rect.y, rect.width, rect.height);
--- a/js/ui/layout.js
+++ b/js/ui/layout.js
@@ -12,6 +12,7 @@ const DND = imports.ui.dnd;
 const Main = imports.ui.main;
 const Params = imports.misc.params;
 const Ripples = imports.ui.ripples;
+const ScreenCorner = imports.ui.screenCorner;

 var STARTUP_ANIMATION_TIME = 500;
 var KEYBOARD_ANIMATION_TIME = 150;
@@ -200,6 +201,7 @@ var LayoutManager = GObject.registerClass({
        this.primaryMonitor = null;
        this.primaryIndex = -1;
        this.hotCorners = [];
+        this._screenCorners = [];

        this._keyboardIndex = -1;
        this._rightPanelBarrier = null;
@@ -246,7 +248,7 @@ var LayoutManager = GObject.registerClass({
                                           vertical: true });
        this.addChrome(this.panelBox, { affectsStruts: true,
                                        trackFullscreen: true });
-        this.panelBox.connect('allocation-changed',
+        this.panelBox.connect('notify::allocation',
                              this._panelBoxChanged.bind(this));

        this.modalDialogGroup = new St.Widget({ name: 'modalDialogGroup',
@@ -440,6 +442,25 @@ var LayoutManager = GObject.registerClass({
        this.emit('hot-corners-changed');
    }

+    _updateScreenCorners() {
+        // destroy old corners
+        this._screenCorners.forEach(corner => {
+            if (corner)
+                corner.destroy();
+        });
+        this._screenCorners = [];
+
+        // build new corners
+        for (let monitor of this.monitors) {
+            for (let corner of Object.values(Meta.DisplayCorner)) {
+                var actor = new ScreenCorner.ScreenCorner(corner, monitor);
+
+                this.addTopChrome(actor, { trackFullscreen: true });
+                this._screenCorners.push(actor);
+            }
+        }
+    }
+
    _addBackgroundMenu(bgManager) {
        BackgroundMenu.addBackgroundMenu(bgManager.backgroundActor, this);
    }
@@ -540,6 +561,7 @@ var LayoutManager = GObject.registerClass({
        this._updateMonitors();
        this._updateBoxes();
        this._updateHotCorners();
+        this._updateScreenCorners();
        this._updateBackgrounds();
        this._updateFullscreen();
        this._updateVisibility();
--- a/js/ui/lightbox.js
+++ b/js/ui/lightbox.js
@@ -27,13 +27,11 @@ var RadialShaderEffect = GObject.registerClass({
        'brightness': GObject.ParamSpec.float(
            'brightness', 'brightness', 'brightness',
            GObject.ParamFlags.READWRITE,
-            0, 1, 1
-        ),
+            0, 1, 1),
        'sharpness': GObject.ParamSpec.float(
            'sharpness', 'sharpness', 'sharpness',
            GObject.ParamFlags.READWRITE,
-            0, 1, 0
-        ),
+            0, 1, 0),
    },
 }, class RadialShaderEffect extends Shell.GLSLEffect {
    _init(params) {
--- a/js/ui/lookingGlass.js
+++ b/js/ui/lookingGlass.js
@@ -37,10 +37,9 @@ const LG_ANIMATION_TIME = 500;

 function _getAutoCompleteGlobalKeywords() {
    const keywords = ['true', 'false', 'null', 'new'];
-    // Don't add the private properties of window (i.e., ones starting with '_')
-    const windowProperties = Object.getOwnPropertyNames(window).filter(
-        a => a.charAt(0) != '_'
-    );
+    // Don't add the private properties of globalThis (i.e., ones starting with '_')
+    const windowProperties = Object.getOwnPropertyNames(globalThis).filter(
+        a => a.charAt(0) !== '_');
    const headerProperties = JsParse.getDeclaredConstants(commandHeader);

    return keywords.concat(windowProperties).concat(headerProperties);
@@ -555,8 +554,8 @@ var Inspector = GObject.registerClass({
        this._lookingGlass = lookingGlass;
    }

-    vfunc_allocate(box, flags) {
-        this.set_allocation(box, flags);
+    vfunc_allocate(box) {
+        this.set_allocation(box);

        if (!this._eventHandler)
            return;
@@ -571,7 +570,7 @@ var Inspector = GObject.registerClass({
        childBox.x2 = childBox.x1 + natWidth;
        childBox.y1 = primary.y + Math.floor((primary.height - natHeight) / 2);
        childBox.y2 = childBox.y1 + natHeight;
-        this._eventHandler.allocate(childBox, flags);
+        this._eventHandler.allocate(childBox);
    }

    _close() {
@@ -803,6 +802,191 @@ var Extensions = GObject.registerClass({
    }
 });

+
+var ActorLink = GObject.registerClass({
+    Signals: {
+        'inspect-actor': {},
+    },
+}, class ActorLink extends St.Button {
+    _init(actor) {
+        this._arrow = new St.Icon({
+            icon_name: 'pan-end-symbolic',
+            icon_size: 8,
+            x_align: Clutter.ActorAlign.CENTER,
+            y_align: Clutter.ActorAlign.CENTER,
+            pivot_point: new Graphene.Point({ x: 0.5, y: 0.5 }),
+        });
+
+        const label = new St.Label({
+            text: actor.toString(),
+            x_align: Clutter.ActorAlign.START,
+        });
+
+        const inspectButton = new St.Button({
+            child: new St.Icon({
+                icon_name: 'insert-object-symbolic',
+                icon_size: 12,
+                y_align: Clutter.ActorAlign.CENTER,
+            }),
+            reactive: true,
+            x_expand: true,
+            x_align: Clutter.ActorAlign.START,
+            y_align: Clutter.ActorAlign.CENTER,
+        });
+        inspectButton.connect('clicked', () => this.emit('inspect-actor'));
+
+        const box = new St.BoxLayout();
+        box.add_child(this._arrow);
+        box.add_child(label);
+        box.add_child(inspectButton);
+
+        super._init({
+            reactive: true,
+            track_hover: true,
+            toggle_mode: true,
+            style_class: 'actor-link',
+            child: box,
+            x_align: Clutter.ActorAlign.START,
+        });
+
+        this._actor = actor;
+    }
+
+    vfunc_clicked() {
+        this._arrow.ease({
+            rotation_angle_z: this.checked ? 90 : 0,
+            duration: 250,
+        });
+    }
+});
+
+var ActorTreeViewer = GObject.registerClass(
+class ActorTreeViewer extends St.BoxLayout {
+    _init(lookingGlass) {
+        super._init();
+
+        this._lookingGlass = lookingGlass;
+        this._actorData = new Map();
+    }
+
+    _showActorChildren(actor) {
+        const data = this._actorData.get(actor);
+        if (!data || data.visible)
+            return;
+
+        data.visible = true;
+        data.actorAddedId = actor.connect('actor-added', (container, child) => {
+            this._addActor(data.children, child);
+        });
+        data.actorRemovedId = actor.connect('actor-removed', (container, child) => {
+            this._removeActor(child);
+        });
+
+        for (let child of actor)
+            this._addActor(data.children, child);
+    }
+
+    _hideActorChildren(actor) {
+        const data = this._actorData.get(actor);
+        if (!data || !data.visible)
+            return;
+
+        for (let child of actor)
+            this._removeActor(child);
+
+        data.visible = false;
+        if (data.actorAddedId > 0) {
+            actor.disconnect(data.actorAddedId);
+            data.actorAddedId = 0;
+        }
+        if (data.actorRemovedId > 0) {
+            actor.disconnect(data.actorRemovedId);
+            data.actorRemovedId = 0;
+        }
+        data.children.remove_all_children();
+    }
+
+    _addActor(container, actor) {
+        if (this._actorData.has(actor))
+            return;
+
+        if (actor === this._lookingGlass)
+            return;
+
+        const button = new ActorLink(actor);
+        button.connect('notify::checked', () => {
+            this._lookingGlass.setBorderPaintTarget(actor);
+            if (button.checked)
+                this._showActorChildren(actor);
+            else
+                this._hideActorChildren(actor);
+        });
+        button.connect('inspect-actor', () => {
+            this._lookingGlass.inspectObject(actor, button);
+        });
+
+        const mainContainer = new St.BoxLayout({ vertical: true });
+        const childrenContainer = new St.BoxLayout({
+            vertical: true,
+            style: 'padding: 0 0 0 18px',
+        });
+
+        mainContainer.add_child(button);
+        mainContainer.add_child(childrenContainer);
+
+        this._actorData.set(actor, {
+            button,
+            container: mainContainer,
+            children: childrenContainer,
+            visible: false,
+            actorAddedId: 0,
+            actorRemovedId: 0,
+            actorDestroyedId: actor.connect('destroy', () => this._removeActor(actor)),
+        });
+
+        let belowChild = null;
+        const nextSibling = actor.get_next_sibling();
+        if (nextSibling && this._actorData.has(nextSibling))
+            belowChild = this._actorData.get(nextSibling).container;
+
+        container.insert_child_above(mainContainer, belowChild);
+    }
+
+    _removeActor(actor) {
+        const data = this._actorData.get(actor);
+        if (!data)
+            return;
+
+        for (let child of actor)
+            this._removeActor(child);
+
+        if (data.actorAddedId > 0) {
+            actor.disconnect(data.actorAddedId);
+            data.actorAddedId = 0;
+        }
+        if (data.actorRemovedId > 0) {
+            actor.disconnect(data.actorRemovedId);
+            data.actorRemovedId = 0;
+        }
+        if (data.actorDestroyedId > 0) {
+            actor.disconnect(data.actorDestroyedId);
+            data.actorDestroyedId = 0;
+        }
+        data.container.destroy();
+        this._actorData.delete(actor);
+    }
+
+    vfunc_map() {
+        super.vfunc_map();
+        this._addActor(this, global.stage);
+    }
+
+    vfunc_unmap() {
+        super.vfunc_unmap();
+        this._removeActor(global.stage);
+    }
+});
+
 var LookingGlass = GObject.registerClass(
 class LookingGlass extends St.BoxLayout {
    _init() {
@@ -834,9 +1018,9 @@ class LookingGlass extends St.BoxLayout {
        Main.uiGroup.add_actor(this);
        Main.uiGroup.set_child_below_sibling(this,
                                             Main.layoutManager.panelBox);
-        Main.layoutManager.panelBox.connect('allocation-changed',
+        Main.layoutManager.panelBox.connect('notify::allocation',
                                            this._queueResize.bind(this));
-        Main.layoutManager.keyboardBox.connect('allocation-changed',
+        Main.layoutManager.keyboardBox.connect('notify::allocation',
                                               this._queueResize.bind(this));

        this._objInspector = new ObjInspector(this);
@@ -918,6 +1102,9 @@ class LookingGlass extends St.BoxLayout {
        this._extensions = new Extensions(this);
        notebook.appendPage('Extensions', this._extensions);

+        this._actorTreeViewer = new ActorTreeViewer(this);
+        notebook.appendPage('Actors', this._actorTreeViewer);
+
        this._entry.clutter_text.connect('activate', (o, _e) => {
            // Hide any completions we are currently showing
            this._hideCompletions();
--- a/js/ui/magnifier.js
+++ b/js/ui/magnifier.js
@@ -643,8 +643,7 @@ var Magnifier = class Magnifier {
        // Applies only to the first zoom region.
        if (this._zoomRegions.length) {
            this._zoomRegions[0].setClampScrollingAtEdges(
-                !this._settings.get_boolean(CLAMP_MODE_KEY)
-            );
+                !this._settings.get_boolean(CLAMP_MODE_KEY));
        }
    }

@@ -652,8 +651,7 @@ var Magnifier = class Magnifier {
        // Applies only to the first zoom region.
        if (this._zoomRegions.length) {
            this._zoomRegions[0].setMouseTrackingMode(
-                this._settings.get_enum(MOUSE_TRACKING_KEY)
-            );
+                this._settings.get_enum(MOUSE_TRACKING_KEY));
        }
    }

@@ -661,8 +659,7 @@ var Magnifier = class Magnifier {
        // Applies only to the first zoom region.
        if (this._zoomRegions.length) {
            this._zoomRegions[0].setFocusTrackingMode(
-                this._settings.get_enum(FOCUS_TRACKING_KEY)
-            );
+                this._settings.get_enum(FOCUS_TRACKING_KEY));
        }
    }

@@ -670,8 +667,7 @@ var Magnifier = class Magnifier {
        // Applies only to the first zoom region.
        if (this._zoomRegions.length) {
            this._zoomRegions[0].setCaretTrackingMode(
-                this._settings.get_enum(CARET_TRACKING_KEY)
-            );
+                this._settings.get_enum(CARET_TRACKING_KEY));
        }
    }

@@ -679,8 +675,7 @@ var Magnifier = class Magnifier {
        // Applies only to the first zoom region.
        if (this._zoomRegions.length) {
            this._zoomRegions[0].setInvertLightness(
-                this._settings.get_boolean(INVERT_LIGHTNESS_KEY)
-            );
+                this._settings.get_boolean(INVERT_LIGHTNESS_KEY));
        }
    }

@@ -688,8 +683,7 @@ var Magnifier = class Magnifier {
        // Applies only to the first zoom region.
        if (this._zoomRegions.length) {
            this._zoomRegions[0].setColorSaturation(
-                this._settings.get_double(COLOR_SATURATION_KEY)
-            );
+                this._settings.get_double(COLOR_SATURATION_KEY));
        }
    }

@@ -1941,9 +1935,8 @@ var MagShaderEffects = class MagShaderEffects {
        // it modifies the brightness and/or contrast.
        let [cRed, cGreen, cBlue] = this._brightnessContrast.get_contrast();
        this._brightnessContrast.set_enabled(
-            bRed != NO_CHANGE || bGreen != NO_CHANGE || bBlue != NO_CHANGE ||
-             cRed != NO_CHANGE || cGreen != NO_CHANGE || cBlue != NO_CHANGE
-        );
+            bRed !== NO_CHANGE || bGreen !== NO_CHANGE || bBlue !== NO_CHANGE ||
+            cRed !== NO_CHANGE || cGreen !== NO_CHANGE || cBlue !== NO_CHANGE);
    }

    /**
@@ -1970,8 +1963,7 @@ var MagShaderEffects = class MagShaderEffects {
        // a null first argument.
        let [bRed, bGreen, bBlue] = this._brightnessContrast.get_brightness();
        this._brightnessContrast.set_enabled(
-            cRed != NO_CHANGE || cGreen != NO_CHANGE || cBlue != NO_CHANGE ||
-            bRed != NO_CHANGE || bGreen != NO_CHANGE || bBlue != NO_CHANGE
-        );
+            cRed !== NO_CHANGE || cGreen !== NO_CHANGE || cBlue !== NO_CHANGE ||
+            bRed !== NO_CHANGE || bGreen !== NO_CHANGE || bBlue !== NO_CHANGE);
    }
 };
--- a/js/ui/main.js
+++ b/js/ui/main.js
@@ -46,6 +46,7 @@ const XdndHandler = imports.ui.xdndHandler;
 const KbdA11yDialog = imports.ui.kbdA11yDialog;
 const LocatePointer = imports.ui.locatePointer;
 const PointerA11yTimeout = imports.ui.pointerA11yTimeout;
+const ParentalControlsManager = imports.misc.parentalControlsManager;

 const A11Y_SCHEMA = 'org.gnome.desktop.a11y.keyboard';
 const STICKY_KEYS_ENABLE = 'stickykeys-enable';
@@ -96,6 +97,8 @@ let _oskResource = null;
 Gio._promisify(Gio._LocalFilePrototype, 'delete_async', 'delete_finish');
 Gio._promisify(Gio._LocalFilePrototype, 'touch_async', 'touch_finish');

+let _remoteAccessInhibited = false;
+
 function _sessionUpdated() {
    if (sessionMode.isPrimary)
        _loadDefaultStylesheet();
@@ -120,24 +123,41 @@ function _sessionUpdated() {
        if (lookingGlass)
            lookingGlass.close();
    }
+
+    let remoteAccessController = global.backend.get_remote_access_controller();
+    if (remoteAccessController) {
+        if (sessionMode.allowScreencast && _remoteAccessInhibited) {
+            remoteAccessController.uninhibit_remote_access();
+            _remoteAccessInhibited = false;
+        } else if (!sessionMode.allowScreencast && !_remoteAccessInhibited) {
+            remoteAccessController.inhibit_remote_access();
+            _remoteAccessInhibited = true;
+        }
+    }
 }

 function start() {
    // These are here so we don't break compatibility.
-    global.logError = window.log;
-    global.log = window.log;
+    global.logError = globalThis.log;
+    global.log = globalThis.log;

    // Chain up async errors reported from C
    global.connect('notify-error', (global, msg, detail) => {
        notifyError(msg, detail);
    });

-    Gio.DesktopAppInfo.set_desktop_env('GNOME');
+    let currentDesktop = GLib.getenv('XDG_CURRENT_DESKTOP');
+    if (!currentDesktop || !currentDesktop.split(':').includes('GNOME'))
+        Gio.DesktopAppInfo.set_desktop_env('GNOME');

    sessionMode = new SessionMode.SessionMode();
    sessionMode.connect('updated', _sessionUpdated);

    St.Settings.get().connect('notify::gtk-theme', _loadDefaultStylesheet);
+
+    // Initialize ParentalControlsManager before the UI
+    ParentalControlsManager.getDefault();
+
    _initializeUI();

    shellAccessDialogDBusService = new AccessDialog.AccessDialogDBus();
@@ -519,7 +539,9 @@ function pushModal(actor, params) {
    let prevFocusDestroyId;
    if (prevFocus != null) {
        prevFocusDestroyId = prevFocus.connect('destroy', () => {
-            let index = _findModal(actor);
+            const index = modalActorFocusStack.findIndex(
+                record => record.prevFocus === prevFocus);
+
            if (index >= 0)
                modalActorFocusStack[index].prevFocus = null;
        });
@@ -795,7 +817,7 @@ function showRestartMessage(message) {

 var AnimationsSettings = class {
    constructor() {
-        let backend = Meta.get_backend();
+        let backend = global.backend;
        if (!backend.is_rendering_hardware_accelerated()) {
            St.Settings.get().inhibit_animations();
            return;
--- a/js/ui/messageList.js
+++ b/js/ui/messageList.js
@@ -4,7 +4,6 @@ const { Atk, Clutter, Gio, GLib,
 const Main = imports.ui.main;
 const MessageTray = imports.ui.messageTray;

-const Calendar = imports.ui.calendar;
 const Util = imports.misc.util;

 var MESSAGE_ANIMATION_TIME = 100;
@@ -285,12 +284,12 @@ var LabelExpanderLayout = GObject.registerClass({
        return [min, nat];
    }

-    vfunc_allocate(container, box, flags) {
+    vfunc_allocate(container, box) {
        for (let i = 0; i < container.get_n_children(); i++) {
            let child = container.get_child_at_index(i);

            if (child.visible)
-                child.allocate(box, flags);
+                child.allocate(box);
        }

    }
@@ -572,7 +571,6 @@ var MessageListSection = GObject.registerClass({
            Main.sessionMode.disconnect(id);
        });

-        this._date = new Date();
        this._empty = true;
        this._canClear = false;
        this._sync();
@@ -598,13 +596,6 @@ var MessageListSection = GObject.registerClass({
        return true;
    }

-    setDate(date) {
-        if (Calendar.sameDay(date, this._date))
-            return;
-        this._date = date;
-        this._sync();
-    }
-
    addMessage(message, animate) {
        this.addMessageAtIndex(message, -1, animate);
    }
--- a/js/ui/messageTray.js
+++ b/js/ui/messageTray.js
@@ -136,29 +136,22 @@ var FocusGrabber = class FocusGrabber {
 var NotificationPolicy = GObject.registerClass({
    Properties: {
        'enable': GObject.ParamSpec.boolean(
-            'enable', 'enable', 'enable',
-            GObject.ParamFlags.READWRITE | GObject.ParamFlags.CONSTRUCT_ONLY,
-            true),
+            'enable', 'enable', 'enable', GObject.ParamFlags.READABLE, true),
        'enable-sound': GObject.ParamSpec.boolean(
            'enable-sound', 'enable-sound', 'enable-sound',
-            GObject.ParamFlags.READWRITE | GObject.ParamFlags.CONSTRUCT_ONLY,
-            true),
+            GObject.ParamFlags.READABLE, true),
        'show-banners': GObject.ParamSpec.boolean(
            'show-banners', 'show-banners', 'show-banners',
-            GObject.ParamFlags.READWRITE | GObject.ParamFlags.CONSTRUCT_ONLY,
-            true),
+            GObject.ParamFlags.READABLE, true),
        'force-expanded': GObject.ParamSpec.boolean(
            'force-expanded', 'force-expanded', 'force-expanded',
-            GObject.ParamFlags.READWRITE | GObject.ParamFlags.CONSTRUCT_ONLY,
-            false),
+            GObject.ParamFlags.READABLE, false),
        'show-in-lock-screen': GObject.ParamSpec.boolean(
            'show-in-lock-screen', 'show-in-lock-screen', 'show-in-lock-screen',
-            GObject.ParamFlags.READWRITE | GObject.ParamFlags.CONSTRUCT_ONLY,
-            false),
+            GObject.ParamFlags.READABLE, false),
        'details-in-lock-screen': GObject.ParamSpec.boolean(
            'details-in-lock-screen', 'details-in-lock-screen', 'details-in-lock-screen',
-            GObject.ParamFlags.READWRITE | GObject.ParamFlags.CONSTRUCT_ONLY,
-            false),
+            GObject.ParamFlags.READABLE, false),
    },
 }, class NotificationPolicy extends GObject.Object {
    // Do nothing for the default policy. These methods are only useful for the
@@ -169,24 +162,28 @@ var NotificationPolicy = GObject.registerClass({
        this.run_dispose();
    }

+    get enable() {
+        return true;
+    }
+
    get enableSound() {
-        return this.enable_sound;
+        return true;
    }

    get showBanners() {
-        return this.show_banners;
+        return true;
    }

    get forceExpanded() {
-        return this.force_expanded;
+        return false;
    }

    get showInLockScreen() {
-        return this.show_in_lock_screen;
+        return false;
    }

    get detailsInLockScreen() {
-        return this.details_in_lock_screen;
+        return false;
    }
 });

@@ -689,8 +686,8 @@ class SourceActorWithLabel extends SourceActor {
        });
    }

-    vfunc_allocate(box, flags) {
-        super.vfunc_allocate(box, flags);
+    vfunc_allocate(box) {
+        super.vfunc_allocate(box);

        let childBox = new Clutter.ActorBox();

@@ -710,7 +707,7 @@ class SourceActorWithLabel extends SourceActor {
        childBox.y1 = box.y2 - naturalHeight;
        childBox.y2 = box.y2;

-        this._counterBin.allocate(childBox, flags);
+        this._counterBin.allocate(childBox);
    }

    _updateCount() {
@@ -1167,8 +1164,7 @@ var MessageTray = GObject.registerClass({
                                     this._onNotificationDestroy.bind(this));
                this._notificationQueue.push(notification);
                this._notificationQueue.sort(
-                    (n1, n2) => n2.urgency - n1.urgency
-                );
+                    (n1, n2) => n2.urgency - n1.urgency);
                this.emit('queue-changed');
            }
        }
--- a/js/ui/mpris.js
+++ b/js/ui/mpris.js
@@ -2,7 +2,6 @@
 const { Gio, GObject, Shell, St } = imports.gi;
 const Signals = imports.signals;

-const Calendar = imports.ui.calendar;
 const Main = imports.ui.main;
 const MessageList = imports.ui.messageList;

@@ -173,6 +172,11 @@ var MprisPlayer = class MprisPlayer {
                if (!this._mprisProxy.g_name_owner)
                    this._close();
            });
+        // It is possible for the bus to disappear before the previous signal
+        // is connected, so we must ensure that the bus still exists at this
+        // point.
+        if (!this._mprisProxy.g_name_owner)
+            this._close();
    }

    _onPlayerProxyReady() {
@@ -247,10 +251,6 @@ class MediaSection extends MessageList.MessageListSection {
                                    this._onProxyReady.bind(this));
    }

-    _shouldShow() {
-        return !this.empty && Calendar.isToday(this._date);
-    }
-
    get allowed() {
        return !Main.sessionMode.isGreeter;
    }
--- a/js/ui/notificationDaemon.js
+++ b/js/ui/notificationDaemon.js
@@ -10,13 +10,6 @@ const Params = imports.misc.params;

 const { loadInterfaceXML } = imports.misc.fileUtils;

-// Should really be defined in Gio.js
-const BusIface = loadInterfaceXML('org.freedesktop.DBus');
-var BusProxy = Gio.DBusProxy.makeProxyWrapper(BusIface);
-function Bus() {
-    return new BusProxy(Gio.DBus.session, 'org.freedesktop.DBus', '/org/freedesktop/DBus');
-}
-
 const FdoNotificationsIface = loadInterfaceXML('org.freedesktop.Notifications');

 var NotificationClosedReason = {
@@ -49,9 +42,7 @@ var FdoNotificationDaemon = class FdoNotificationDaemon {
        this._dbusImpl.export(Gio.DBus.session, '/org/freedesktop/Notifications');

        this._sources = [];
-        this._senderToPid = {};
        this._notifications = {};
-        this._busProxy = new Bus();

        this._nextNotificationId = 1;

@@ -116,12 +107,9 @@ var FdoNotificationDaemon = class FdoNotificationDaemon {
    //
    // If no existing source is found, a new source is created as long as
    // pid is provided.
-    //
-    // Either a pid or ndata.notification is needed to retrieve or
-    // create a source.
    _getSource(title, pid, ndata, sender) {
        if (!pid && !(ndata && ndata.notification))
-            return null;
+            throw new Error('Either a pid or ndata.notification is needed');

        // We use notification's source for the notifications we still have
        // around that are getting replaced because we don't keep sources
@@ -218,42 +206,10 @@ var FdoNotificationDaemon = class FdoNotificationDaemon {
        this._notifications[id] = ndata;

        let sender = invocation.get_sender();
-        let pid = this._senderToPid[sender];
+        let pid = hints['sender-pid'];

        let source = this._getSource(appName, pid, ndata, sender, null);
-
-        if (source) {
-            this._notifyForSource(source, ndata);
-            return invocation.return_value(GLib.Variant.new('(u)', [id]));
-        }
-
-        if (replacesId) {
-            // There's already a pending call to GetConnectionUnixProcessID,
-            // which will see the new notification data when it finishes,
-            // so we don't have to do anything.
-            return invocation.return_value(GLib.Variant.new('(u)', [id]));
-        }
-
-        this._busProxy.GetConnectionUnixProcessIDRemote(sender, (result, excp) => {
-            // The app may have updated or removed the notification
-            ndata = this._notifications[id];
-            if (!ndata)
-                return;
-
-            if (excp) {
-                logError(excp, 'Call to GetConnectionUnixProcessID failed');
-                return;
-            }
-
-            [pid] = result;
-            source = this._getSource(appName, pid, ndata, sender, null);
-
-            this._senderToPid[sender] = pid;
-            source.connect('destroy', () => {
-                delete this._senderToPid[sender];
-            });
-            this._notifyForSource(source, ndata);
-        });
+        this._notifyForSource(source, ndata);

        return invocation.return_value(GLib.Variant.new('(u)', [id]));
    }
@@ -417,12 +373,11 @@ var FdoNotificationDaemonSource = GObject.registerClass(
 class FdoNotificationDaemonSource extends MessageTray.Source {
    _init(title, pid, sender, appId) {
        this.pid = pid;
+        this.initialTitle = title;
        this.app = this._getApp(appId);

        super._init(title);

-        this.initialTitle = title;
-
        if (this.app)
            this.title = this.app.get_name();
        else
@@ -470,19 +425,20 @@ class FdoNotificationDaemonSource extends MessageTray.Source {
    }

    _getApp(appId) {
+        const appSys = Shell.AppSystem.get_default();
        let app;

        app = Shell.WindowTracker.get_default().get_app_from_pid(this.pid);
        if (app != null)
            return app;

-        if (appId) {
-            app = Shell.AppSystem.get_default().lookup_app('%s.desktop'.format(appId));
-            if (app != null)
-                return app;
-        }
+        if (appId)
+            app = appSys.lookup_app('%s.desktop'.format(appId));

-        return null;
+        if (!app)
+            app = appSys.lookup_app('%s.desktop'.format(this.initialTitle));
+
+        return app;
    }

    setTitle(title) {
--- a/js/ui/overview.js
+++ b/js/ui/overview.js
@@ -244,11 +244,11 @@ var Overview = class {
    _unshadeBackgrounds() {
        let backgrounds = this._backgroundGroup.get_children();
        for (let i = 0; i < backgrounds.length; i++) {
-            backgrounds[i].ease_property('brightness', 1.0, {
+            backgrounds[i].ease_property('@content.brightness', 1.0, {
                duration: SHADE_ANIMATION_TIME,
                mode: Clutter.AnimationMode.EASE_OUT_QUAD,
            });
-            backgrounds[i].ease_property('vignette-sharpness', 0.0, {
+            backgrounds[i].ease_property('@content.vignette-sharpness', 0.0, {
                duration: SHADE_ANIMATION_TIME,
                mode: Clutter.AnimationMode.EASE_OUT_QUAD,
            });
@@ -258,14 +258,16 @@ var Overview = class {
    _shadeBackgrounds() {
        let backgrounds = this._backgroundGroup.get_children();
        for (let i = 0; i < backgrounds.length; i++) {
-            backgrounds[i].ease_property('brightness', Lightbox.VIGNETTE_BRIGHTNESS, {
-                duration: SHADE_ANIMATION_TIME,
-                mode: Clutter.AnimationMode.EASE_OUT_QUAD,
-            });
-            backgrounds[i].ease_property('vignette-sharpness', Lightbox.VIGNETTE_SHARPNESS, {
-                duration: SHADE_ANIMATION_TIME,
-                mode: Clutter.AnimationMode.EASE_OUT_QUAD,
-            });
+            backgrounds[i].ease_property('@content.brightness',
+                Lightbox.VIGNETTE_BRIGHTNESS, {
+                    duration: SHADE_ANIMATION_TIME,
+                    mode: Clutter.AnimationMode.EASE_OUT_QUAD,
+                });
+            backgrounds[i].ease_property('@content.vignette-sharpness',
+                Lightbox.VIGNETTE_SHARPNESS, {
+                    duration: SHADE_ANIMATION_TIME,
+                    mode: Clutter.AnimationMode.EASE_OUT_QUAD,
+                });
        }
    }

@@ -400,8 +402,7 @@ var Overview = class {

    _getDesktopClone() {
        let windows = global.get_window_actors().filter(
-            w => w.meta_window.get_window_type() == Meta.WindowType.DESKTOP
-        );
+            w => w.meta_window.get_window_type() === Meta.WindowType.DESKTOP);
        if (windows.length == 0)
            return null;

@@ -576,7 +577,7 @@ var Overview = class {
        this._activationTime = GLib.get_monotonic_time() / GLib.USEC_PER_SEC;

        Meta.disable_unredirect_for_display(global.display);
-        this.viewSelector.show();
+        this.viewSelector.animateToOverview();

        this._overview.opacity = 0;
        this._overview.ease({
--- a/js/ui/overviewControls.js
+++ b/js/ui/overviewControls.js
@@ -51,7 +51,7 @@ var SlideLayout = GObject.registerClass({
        return [minWidth, natWidth];
    }

-    vfunc_allocate(container, box, flags) {
+    vfunc_allocate(container, box) {
        let child = container.get_first_child();

        let availWidth = Math.round(box.x2 - box.x1);
@@ -72,7 +72,7 @@ var SlideLayout = GObject.registerClass({
        actorBox.y1 = box.y1;
        actorBox.y2 = actorBox.y1 + availHeight;

-        child.allocate(actorBox, flags);
+        child.allocate(actorBox);
    }

    // eslint-disable-next-line camelcase
@@ -394,10 +394,10 @@ class DashSpacer extends St.Widget {
 });

 var ControlsLayout = GObject.registerClass({
-    Signals: { 'allocation-changed': { flags: GObject.SignalFlags.RUN_LAST } },
+    Signals: { 'allocation-changed': {} },
 }, class ControlsLayout extends Clutter.BinLayout {
-    vfunc_allocate(container, box, flags) {
-        super.vfunc_allocate(container, box, flags);
+    vfunc_allocate(container, box) {
+        super.vfunc_allocate(container, box);
        this.emit('allocation-changed');
    }
 });
@@ -473,6 +473,7 @@ class ControlsManager extends St.Widget {

        // A workspace might have been inserted or removed before the active
        // one, causing the adjustment to go out of sync, so update the value
+        this._workspaceAdjustment.remove_transition('value');
        this._workspaceAdjustment.value = activeIndex;
    }

--- a/js/ui/padOsd.js
+++ b/js/ui/padOsd.js
@@ -2,7 +2,7 @@
 /* exported PadOsd, PadOsdService */

 const { Atk, Clutter, GDesktopEnums, Gio,
-        GLib, GObject, Gtk, Meta, Rsvg, St } = imports.gi;
+        GLib, GObject, Gtk, Meta, Pango, Rsvg, St } = imports.gi;
 const Signals = imports.signals;

 const Main = imports.ui.main;
@@ -329,6 +329,7 @@ var PadDiagram = GObject.registerClass({

        this._imagePath = imagePath;
        this._handle = this._composeStyledDiagram();
+        this._initLabels();
    }

    // eslint-disable-next-line camelcase
@@ -343,6 +344,26 @@ var PadDiagram = GObject.registerClass({
        this.add_actor(actor);
    }

+    _initLabels() {
+        let i = 0;
+        for (i = 0; ; i++) {
+            if (!this._addLabel(Meta.PadActionType.BUTTON, i))
+                break;
+        }
+
+        for (i = 0; ; i++) {
+            if (!this._addLabel(Meta.PadActionType.RING, i, CW) ||
+                !this._addLabel(Meta.PadActionType.RING, i, CCW))
+                break;
+        }
+
+        for (i = 0; ; i++) {
+            if (!this._addLabel(Meta.PadActionType.STRIP, i, UP) ||
+                !this._addLabel(Meta.PadActionType.STRIP, i, DOWN))
+                break;
+        }
+    }
+
    _wrappingSvgHeader() {
        return '<?xml version="1.0" encoding="UTF-8" standalone="no"?>' +
               '<svg version="1.1" xmlns="http://www.w3.org/2000/svg" ' +
@@ -362,10 +383,8 @@ var PadDiagram = GObject.registerClass({

        for (let i = 0; i < this._activeButtons.length; i++) {
            let ch = String.fromCharCode('A'.charCodeAt() + this._activeButtons[i]);
-            css += '.%s {'.format(ch);
-            css += '    stroke: %s !important;'.format(ACTIVE_COLOR);
-            css += '    fill: %s !important;'.format(ACTIVE_COLOR);
-            css += '}';
+            css += '.%s.Leader { stroke: %s !important; }'.format(ch, ACTIVE_COLOR);
+            css += '.%s.Button { stroke: %s !important; fill: %s !important; }'.format(ch, ACTIVE_COLOR, ACTIVE_COLOR);
        }

        return css;
@@ -390,9 +409,6 @@ var PadDiagram = GObject.registerClass({
    }

    _updateDiagramScale() {
-        if (this._handle == null)
-            return;
-
        [this._actorWidth, this._actorHeight] = this.get_size();
        let dimensions = this._handle.get_dimensions();
        let scaleX = this._actorWidth / dimensions.width;
@@ -405,6 +421,11 @@ var PadDiagram = GObject.registerClass({
        let [, natWidth] = child.get_preferred_width(natHeight);
        let childBox = new Clutter.ActorBox();

+        // I miss Cairo.Matrix
+        let dimensions = this._handle.get_dimensions();
+        x = x * this._scale + this._actorWidth / 2 - dimensions.width / 2 * this._scale;
+        y = y * this._scale + this._actorHeight / 2 - dimensions.height / 2 * this._scale;
+
        if (direction == LTR) {
            childBox.x1 = x;
            childBox.x2 = x + natWidth;
@@ -415,22 +436,23 @@ var PadDiagram = GObject.registerClass({

        childBox.y1 = y - natHeight / 2;
        childBox.y2 = y + natHeight / 2;
-        child.allocate(childBox, 0);
+        child.allocate(childBox);
    }

-    vfunc_allocate(box, flags) {
-        super.vfunc_allocate(box, flags);
+    vfunc_allocate(box) {
+        super.vfunc_allocate(box);
+        if (this._handle === null)
+            return;
+
        this._updateDiagramScale();

        for (let i = 0; i < this._labels.length; i++) {
-            let [label, action, idx, dir] = this._labels[i];
-            let [found_, x, y, arrangement] = this.getLabelCoords(action, idx, dir);
+            const { label, x, y, arrangement } = this._labels[i];
            this._allocateChild(label, x, y, arrangement);
        }

        if (this._editorActor && this._curEdited) {
-            let [label_, action, idx, dir] = this._curEdited;
-            let [found_, x, y, arrangement] = this.getLabelCoords(action, idx, dir);
+            const { x, y, arrangement } = this._curEdited;
            this._allocateChild(this._editorActor, x, y, arrangement);
        }
    }
@@ -457,17 +479,6 @@ var PadDiagram = GObject.registerClass({
        cr.$dispose();
    }

-    _transformPoint(x, y) {
-        if (this._handle == null || this._scale == null)
-            return [x, y];
-
-        // I miss Cairo.Matrix
-        let dimensions = this._handle.get_dimensions();
-        x = x * this._scale + this._actorWidth / 2 - dimensions.width / 2 * this._scale;
-        y = y * this._scale + this._actorHeight / 2 - dimensions.height / 2 * this._scale;
-        return [Math.round(x), Math.round(y)];
-    }
-
    _getItemLabelCoords(labelName, leaderName) {
        if (this._handle == null)
            return [false];
@@ -495,44 +506,39 @@ var PadDiagram = GObject.registerClass({
            pos.y = this._imageHeight - pos.y;
        }

-        let [x, y] = this._transformPoint(pos.x, pos.y);
-
-        return [true, x, y, direction];
+        return [true, pos.x, pos.y, direction];
    }

-    getButtonLabelCoords(button) {
+    _getButtonLabels(button) {
        let ch = String.fromCharCode('A'.charCodeAt() + button);
        let labelName = 'Label%s'.format(ch);
        let leaderName = 'Leader%s'.format(ch);
-
-        return this._getItemLabelCoords(labelName, leaderName);
+        return [labelName, leaderName];
    }

-    getRingLabelCoords(number, dir) {
+    _getRingLabels(number, dir) {
        let numStr = number > 0 ? (number + 1).toString() : '';
        let dirStr = dir == CW ? 'CW' : 'CCW';
        let labelName = 'LabelRing%s%s'.format(numStr, dirStr);
        let leaderName = 'LeaderRing%s%s'.format(numStr, dirStr);
-
-        return this._getItemLabelCoords(labelName, leaderName);
+        return [labelName, leaderName];
    }

-    getStripLabelCoords(number, dir) {
+    _getStripLabels(number, dir) {
        let numStr = number > 0 ? (number + 1).toString() : '';
        let dirStr = dir == UP ? 'Up' : 'Down';
        let labelName = 'LabelStrip%s%s'.format(numStr, dirStr);
        let leaderName = 'LeaderStrip%s%s'.format(numStr, dirStr);
-
-        return this._getItemLabelCoords(labelName, leaderName);
+        return [labelName, leaderName];
    }

-    getLabelCoords(action, idx, dir) {
+    _getLabelCoords(action, idx, dir) {
        if (action == Meta.PadActionType.BUTTON)
-            return this.getButtonLabelCoords(idx);
+            return this._getItemLabelCoords(...this._getButtonLabels(idx));
        else if (action == Meta.PadActionType.RING)
-            return this.getRingLabelCoords(idx, dir);
+            return this._getItemLabelCoords(...this._getRingLabels(idx, dir));
        else if (action == Meta.PadActionType.STRIP)
-            return this.getStripLabelCoords(idx, dir);
+            return this._getItemLabelCoords(...this._getStripLabels(idx, dir));

        return [false];
    }
@@ -557,26 +563,30 @@ var PadDiagram = GObject.registerClass({
        this._invalidateSvg();
    }

-    addLabel(label, type, idx, dir) {
-        this._labels.push([label, type, idx, dir]);
+    _addLabel(action, idx, dir) {
+        let [found, x, y, arrangement] = this._getLabelCoords(action, idx, dir);
+        if (!found)
+            return false;
+
+        let label = new St.Label();
+        this._labels.push({ label, action, idx, dir, x, y, arrangement });
        this.add_actor(label);
+        return true;
    }

    updateLabels(getText) {
        for (let i = 0; i < this._labels.length; i++) {
-            let [label, action, idx, dir] = this._labels[i];
+            const { label, action, idx, dir } = this._labels[i];
            let str = getText(action, idx, dir);
            label.set_text(str);
        }
+
+        this.queue_relayout();
    }

    _applyLabel(label, action, idx, dir, str) {
-        if (str != null) {
+        if (str !== null)
            label.set_text(str);
-
-            let [found_, x, y, arrangement] = this.getLabelCoords(action, idx, dir);
-            this._allocateChild(label, x, y, arrangement);
-        }
        label.show();
    }

@@ -584,18 +594,20 @@ var PadDiagram = GObject.registerClass({
        this._editorActor.hide();

        if (this._prevEdited) {
-            let [label, action, idx, dir] = this._prevEdited;
+            const { label, action, idx, dir } = this._prevEdited;
            this._applyLabel(label, action, idx, dir, str);
            this._prevEdited = null;
        }

        if (this._curEdited) {
-            let [label, action, idx, dir] = this._curEdited;
+            const { label, action, idx, dir } = this._curEdited;
            this._applyLabel(label, action, idx, dir, str);
            if (continues)
                this._prevEdited = this._curEdited;
            this._curEdited = null;
        }
+
+        this.queue_relayout();
    }

    startEdition(action, idx, dir) {
@@ -605,21 +617,19 @@ var PadDiagram = GObject.registerClass({
            return;

        for (let i = 0; i < this._labels.length; i++) {
-            let [label, itemAction, itemIdx, itemDir] = this._labels[i];
-            if (action == itemAction && idx == itemIdx && dir == itemDir) {
+            if (action == this._labels[i].action &&
+                idx == this._labels[i].idx && dir == this._labels[i].dir) {
                this._curEdited = this._labels[i];
-                editedLabel = label;
+                editedLabel = this._curEdited.label;
                break;
            }
        }

        if (this._curEdited == null)
            return;
-        let [found] = this.getLabelCoords(action, idx, dir);
-        if (!found)
-            return;
        this._editorActor.show();
        editedLabel.hide();
+        this.queue_relayout();
    }
 });

@@ -693,6 +703,7 @@ var PadOsd = GObject.registerClass({

        this._titleLabel = new St.Label({ style: 'font-side: larger; font-weight: bold;',
                                          x_align: Clutter.ActorAlign.CENTER });
+        this._titleLabel.clutter_text.set_ellipsize(Pango.EllipsizeMode.NONE);
        this._titleLabel.clutter_text.set_text(padDevice.get_device_name());
        labelBox.add_actor(this._titleLabel);

@@ -710,31 +721,7 @@ var PadOsd = GObject.registerClass({
                                            x_expand: true,
                                            y_expand: true });
        this.add_actor(this._padDiagram);
-
-        // FIXME: Fix num buttons.
-        let i = 0;
-        for (i = 0; i < 50; i++) {
-            let [found] = this._padDiagram.getButtonLabelCoords(i);
-            if (!found)
-                break;
-            this._createLabel(Meta.PadActionType.BUTTON, i);
-        }
-
-        for (i = 0; i < padDevice.get_n_rings(); i++) {
-            let [found] = this._padDiagram.getRingLabelCoords(i, CW);
-            if (!found)
-                break;
-            this._createLabel(Meta.PadActionType.RING, i, CW);
-            this._createLabel(Meta.PadActionType.RING, i, CCW);
-        }
-
-        for (i = 0; i < padDevice.get_n_strips(); i++) {
-            let [found] = this._padDiagram.getStripLabelCoords(i, UP);
-            if (!found)
-                break;
-            this._createLabel(Meta.PadActionType.STRIP, i, UP);
-            this._createLabel(Meta.PadActionType.STRIP, i, DOWN);
-        }
+        this._updateActionLabels();

        let buttonBox = new St.Widget({ layout_manager: new Clutter.BinLayout(),
                                        x_expand: true,
@@ -787,11 +774,6 @@ var PadOsd = GObject.registerClass({
        return str ? str : _("None");
    }

-    _createLabel(type, number, dir) {
-        let label = new St.Label({ text: this._getActionText(type, number) });
-        this._padDiagram.addLabel(label, type, number, dir);
-    }
-
    _updateActionLabels() {
        this._padDiagram.updateLabels(this._getActionText.bind(this));
    }
@@ -867,8 +849,7 @@ var PadOsd = GObject.registerClass({
            this._tipLabel.set_text(_("Press any key to exit"));
        }

-        this._titleLabel.clutter_text.set_markup(
-            '<span size="larger"><b>%s</b></span>'.format(title));
+        this._titleLabel.set_text(title);
    }

    _isEditedAction(type, number, dir) {
--- a/js/ui/pageIndicators.js
+++ b/js/ui/pageIndicators.js
@@ -120,6 +120,10 @@ var PageIndicators = GObject.registerClass({
        for (let i = 0; i < children.length; i++)
            this._updateIndicator(children[i], i);
    }
+
+    get nPages() {
+        return this._nPages;
+    }
 });

 var AnimatedPageIndicators = GObject.registerClass(
--- a/js/ui/panel.js
+++ b/js/ui/panel.js
@@ -90,18 +90,16 @@ class AppMenu extends PopupMenu.PopupMenu {

        this.addMenuItem(new PopupMenu.PopupSeparatorMenuItem());

-        this._detailsItem = this.addAction(_("Show Details"), () => {
+        this._detailsItem = this.addAction(_('Show Details'), async () => {
            let id = this._app.get_id();
            let args = GLib.Variant.new('(ss)', [id, '']);
-            Gio.DBus.get(Gio.BusType.SESSION, null, (o, res) => {
-                let bus = Gio.DBus.get_finish(res);
-                bus.call('org.gnome.Software',
-                         '/org/gnome/Software',
-                         'org.gtk.Actions', 'Activate',
-                         GLib.Variant.new('(sava{sv})',
-                                          ['details', [args], null]),
-                         null, 0, -1, null, null);
-            });
+            const bus = await Gio.DBus.get(Gio.BusType.SESSION, null);
+            bus.call(
+                'org.gnome.Software',
+                '/org/gnome/Software',
+                'org.gtk.Actions', 'Activate',
+                new GLib.Variant('(sava{sv})', ['details', [args], null]),
+                null, 0, -1, null);
        });

        this.addMenuItem(new PopupMenu.PopupSeparatorMenuItem());
@@ -216,7 +214,10 @@ var AppMenuButton = GObject.registerClass({
                             this._onIconThemeChanged.bind(this));

        let iconEffect = new Clutter.DesaturateEffect();
-        this._iconBox = new St.Bin({ style_class: 'app-menu-icon' });
+        this._iconBox = new St.Bin({
+            style_class: 'app-menu-icon',
+            y_align: Clutter.ActorAlign.CENTER,
+        });
        this._iconBox.add_effect(iconEffect);
        this._container.add_actor(this._iconBox);

@@ -283,7 +284,7 @@ var AppMenuButton = GObject.registerClass({
        this.remove_all_transitions();
        this.ease({
            opacity: 0,
-            mode: Clutter.Animation.EASE_OUT_QUAD,
+            mode: Clutter.AnimationMode.EASE_OUT_QUAD,
            duration: Overview.ANIMATION_TIME,
            onComplete: () => this.hide(),
        });
@@ -841,8 +842,8 @@ class Panel extends St.Widget {
        return [0,  0];
    }

-    vfunc_allocate(box, flags) {
-        this.set_allocation(box, flags);
+    vfunc_allocate(box) {
+        this.set_allocation(box);

        let allocWidth = box.x2 - box.x1;
        let allocHeight = box.y2 - box.y1;
@@ -878,13 +879,13 @@ class Panel extends St.Widget {
            childBox.x2 = Math.min(Math.floor(sideWidth),
                                   leftNaturalWidth);
        }
-        this._leftBox.allocate(childBox, flags);
+        this._leftBox.allocate(childBox);

        childBox.x1 = Math.ceil(sideWidth);
        childBox.y1 = 0;
        childBox.x2 = childBox.x1 + centerWidth;
        childBox.y2 = allocHeight;
-        this._centerBox.allocate(childBox, flags);
+        this._centerBox.allocate(childBox);

        childBox.y1 = 0;
        childBox.y2 = allocHeight;
@@ -898,7 +899,7 @@ class Panel extends St.Widget {
                                   0);
            childBox.x2 = allocWidth;
        }
-        this._rightBox.allocate(childBox, flags);
+        this._rightBox.allocate(childBox);

        let cornerWidth, cornerHeight;

@@ -908,7 +909,7 @@ class Panel extends St.Widget {
        childBox.x2 = cornerWidth;
        childBox.y1 = allocHeight;
        childBox.y2 = allocHeight + cornerHeight;
-        this._leftCorner.allocate(childBox, flags);
+        this._leftCorner.allocate(childBox);

        [, cornerWidth] = this._rightCorner.get_preferred_width(-1);
        [, cornerHeight] = this._rightCorner.get_preferred_height(-1);
@@ -916,7 +917,7 @@ class Panel extends St.Widget {
        childBox.x2 = allocWidth;
        childBox.y1 = allocHeight;
        childBox.y2 = allocHeight + cornerHeight;
-        this._rightCorner.allocate(childBox, flags);
+        this._rightCorner.allocate(childBox);
    }

    _tryDragWindow(event) {
@@ -1155,10 +1156,9 @@ class Panel extends St.Widget {

    _getDraggableWindowForPosition(stageX) {
        let workspaceManager = global.workspace_manager;
-        let workspace = workspaceManager.get_active_workspace();
-        let allWindowsByStacking = global.display.sort_windows_by_stacking(
-            workspace.list_windows()
-        ).reverse();
+        const windows = workspaceManager.get_active_workspace().list_windows();
+        const allWindowsByStacking =
+            global.display.sort_windows_by_stacking(windows).reverse();

        return allWindowsByStacking.find(metaWindow => {
            let rect = metaWindow.get_frame_rect();
--- a/js/ui/panelMenu.js
+++ b/js/ui/panelMenu.js
@@ -59,8 +59,8 @@ class ButtonBox extends St.Widget {
        return [0, 0];
    }

-    vfunc_allocate(box, flags) {
-        this.set_allocation(box, flags);
+    vfunc_allocate(box) {
+        this.set_allocation(box);

        let child = this.get_first_child();
        if (!child)
@@ -83,7 +83,7 @@ class ButtonBox extends St.Widget {
        childBox.y1 = 0;
        childBox.y2 = availHeight;

-        child.allocate(childBox, flags);
+        child.allocate(childBox);
    }

    _onDestroy() {
--- a/js/ui/remoteSearch.js
+++ b/js/ui/remoteSearch.js
@@ -204,7 +204,7 @@ var RemoteSearchProvider = class {
                                         g_interface_info: proxyInfo,
                                         g_interface_name: proxyInfo.name,
                                         gFlags });
-        this.proxy.init_async(GLib.PRIORITY_DEFAULT, null, null);
+        this.proxy.init_async(GLib.PRIORITY_DEFAULT, null);

        this.appInfo = appInfo;
        this.id = appInfo.get_id();
--- a/js/ui/screenCorner.js
+++ b/js/ui/screenCorner.js
@@ -0,0 +1,79 @@
+// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
+/* exported ScreenCorner */
+
+const { Clutter, GObject, Meta, St } = imports.gi;
+const Cairo = imports.cairo;
+
+const Layout = imports.ui.layout;
+
+var ScreenCorner = GObject.registerClass(
+class ScreenCorner extends St.DrawingArea {
+    _init(corner, monitor) {
+        super._init({ style_class: 'screen-corner' });
+
+        this._corner = corner;
+
+        this.add_constraint(new Layout.MonitorConstraint({ index: monitor.index }));
+
+        if (corner === Meta.DisplayCorner.TOPRIGHT ||
+            corner === Meta.DisplayCorner.BOTTOMRIGHT)
+            this.x_align = Clutter.ActorAlign.END;
+
+        if (corner === Meta.DisplayCorner.BOTTOMLEFT ||
+            corner === Meta.DisplayCorner.BOTTOMRIGHT)
+            this.y_align = Clutter.ActorAlign.END;
+    }
+
+    vfunc_repaint() {
+        let node = this.get_theme_node();
+
+        let cornerRadius = node.get_length("-screen-corner-radius");
+        let backgroundColor = node.get_color('-screen-corner-background-color');
+
+        let cr = this.get_context();
+        cr.setOperator(Cairo.Operator.SOURCE);
+
+        switch (this._corner) {
+        case Meta.DisplayCorner.TOPLEFT:
+            cr.arc(cornerRadius, cornerRadius,
+                   cornerRadius, Math.PI, 3 * Math.PI / 2);
+            cr.lineTo(0, 0);
+            break;
+
+        case Meta.DisplayCorner.TOPRIGHT:
+            cr.arc(0, cornerRadius,
+                   cornerRadius, 3 * Math.PI / 2, 2 * Math.PI);
+            cr.lineTo(cornerRadius, 0);
+            break;
+
+        case Meta.DisplayCorner.BOTTOMLEFT:
+            cr.arc(cornerRadius, 0,
+                   cornerRadius, Math.PI / 2, Math.PI);
+            cr.lineTo(0, cornerRadius);
+            break;
+
+        case Meta.DisplayCorner.BOTTOMRIGHT:
+            cr.arc(0, 0,
+                   cornerRadius, 0, Math.PI / 2);
+            cr.lineTo(cornerRadius, cornerRadius);
+            break;
+        }
+
+        cr.closePath();
+
+        Clutter.cairo_set_source_color(cr, backgroundColor);
+        cr.fill();
+
+        cr.$dispose();
+    }
+
+    vfunc_style_changed() {
+        super.vfunc_style_changed();
+
+        let node = this.get_theme_node();
+
+        let cornerRadius = node.get_length("-screen-corner-radius");
+
+        this.set_size(cornerRadius, cornerRadius);
+    }
+});
--- a/js/ui/screenShield.js
+++ b/js/ui/screenShield.js
@@ -198,7 +198,7 @@ var ScreenShield = class {
        let lockEnabled = this._settings.get_boolean(LOCK_ENABLED_KEY);
        let lockLocked = this._lockSettings.get_boolean(DISABLE_LOCK_KEY);
        let inhibit = this._loginSession && this._loginSession.Active &&
-                       !this._isActive && lockEnabled && !lockLocked;
+                       !this._isActive && lockEnabled && !lockLocked && Main.sessionMode.unlockDialog;
        if (inhibit) {
            this._loginManager.inhibit(_("GNOME needs to lock the screen"),
                inhibitor => {
@@ -345,7 +345,7 @@ var ScreenShield = class {
        this._lockDialogGroup.remove_all_transitions();

        if (animate) {
-            // Tween the lock screen out of screen
+            // Animate the lock screen out of screen
            // if velocity is not specified (i.e. we come here from pressing ESC),
            // use the same speed regardless of original position
            // if velocity is specified, it's in pixels per milliseconds
@@ -498,6 +498,8 @@ var ScreenShield = class {
        if (Main.sessionMode.currentMode == 'unlock-dialog')
            Main.sessionMode.popMode('unlock-dialog');

+        this.emit('wake-up-screen');
+
        if (this._isGreeter) {
            // We don't want to "deactivate" any more than
            // this. In particular, we don't want to drop
@@ -519,6 +521,9 @@ var ScreenShield = class {
            this._isModal = false;
        }

+        this._longLightbox.lightOff();
+        this._shortLightbox.lightOff();
+
        this._lockDialogGroup.ease({
            translation_y: -global.screen_height,
            duration: Overview.ANIMATION_TIME,
@@ -533,8 +538,6 @@ var ScreenShield = class {
            this._dialog = null;
        }

-        this._longLightbox.lightOff();
-        this._shortLightbox.lightOff();
        this.actor.hide();

        if (this._becameActiveId != 0) {
@@ -558,7 +561,8 @@ var ScreenShield = class {
        if (this._activationTime == 0)
            this._activationTime = GLib.get_monotonic_time();

-        this._ensureUnlockDialog(true);
+        if (!this._ensureUnlockDialog(true))
+            return;

        this.actor.show();

--- a/js/ui/screenshot.js
+++ b/js/ui/screenshot.js
@@ -1,12 +1,19 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 /* exported ScreenshotService */

-const { Clutter, Graphene, Gio, GObject, GLib, Meta, Shell, St } = imports.gi;
+const { Clutter, Gio, GObject, GLib, Meta, Shell, St } = imports.gi;

 const GrabHelper = imports.ui.grabHelper;
 const Lightbox = imports.ui.lightbox;
 const Main = imports.ui.main;

+Gio._promisify(Shell.Screenshot.prototype, 'pick_color', 'pick_color_finish');
+Gio._promisify(Shell.Screenshot.prototype, 'screenshot', 'screenshot_finish');
+Gio._promisify(Shell.Screenshot.prototype,
+    'screenshot_window', 'screenshot_window_finish');
+Gio._promisify(Shell.Screenshot.prototype,
+    'screenshot_area', 'screenshot_area_finish');
+
 const { loadInterfaceXML } = imports.misc.fileUtils;

 const ScreenshotIface = loadInterfaceXML('org.gnome.Shell.Screenshot');
@@ -30,7 +37,9 @@ var ScreenshotService = class {

        let sender = invocation.get_sender();
        if (this._screenShooter.has(sender) || lockedDown) {
-            invocation.return_value(GLib.Variant.new('(bs)', [false, '']));
+            invocation.return_error_literal(
+                Gio.IOErrorEnum, Gio.IOErrorEnum.BUSY,
+                'There is an ongoing operation for this sender');
            return null;
        }

@@ -156,7 +165,7 @@ var ScreenshotService = class {
        return [x, y, width, height];
    }

-    ScreenshotAreaAsync(params, invocation) {
+    async ScreenshotAreaAsync(params, invocation) {
        let [x, y, width, height, flash, filename] = params;
        [x, y, width, height] = this._scaleArea(x, y, width, height);
        if (!this._checkArea(x, y, width, height)) {
@@ -173,21 +182,17 @@ var ScreenshotService = class {
        if (!stream)
            return;

-        screenshot.screenshot_area(x, y, width, height, stream,
-            (o, res) => {
-                try {
-                    let [success_, area] =
-                        screenshot.screenshot_area_finish(res);
-                    this._onScreenshotComplete(
-                        area, stream, file, flash, invocation);
-                } catch (e) {
-                    this._removeShooterForSender(invocation.get_sender());
-                    invocation.return_value(new GLib.Variant('(bs)', [false, '']));
-                }
-            });
+        try {
+            let [area] =
+                await screenshot.screenshot_area(x, y, width, height, stream);
+            this._onScreenshotComplete(area, stream, file, flash, invocation);
+        } catch (e) {
+            this._removeShooterForSender(invocation.get_sender());
+            invocation.return_value(new GLib.Variant('(bs)', [false, '']));
+        }
    }

-    ScreenshotWindowAsync(params, invocation) {
+    async ScreenshotWindowAsync(params, invocation) {
        let [includeFrame, includeCursor, flash, filename] = params;
        let screenshot = this._createScreenshot(invocation);
        if (!screenshot)
@@ -197,21 +202,17 @@ var ScreenshotService = class {
        if (!stream)
            return;

-        screenshot.screenshot_window(includeFrame, includeCursor, stream,
-            (o, res) => {
-                try {
-                    let [success_, area] =
-                        screenshot.screenshot_window_finish(res);
-                    this._onScreenshotComplete(
-                        area, stream, file, flash, invocation);
-                } catch (e) {
-                    this._removeShooterForSender(invocation.get_sender());
-                    invocation.return_value(new GLib.Variant('(bs)', [false, '']));
-                }
-            });
+        try {
+            let [area] =
+                await screenshot.screenshot_window(includeFrame, includeCursor, stream);
+            this._onScreenshotComplete(area, stream, file, flash, invocation);
+        } catch (e) {
+            this._removeShooterForSender(invocation.get_sender());
+            invocation.return_value(new GLib.Variant('(bs)', [false, '']));
+        }
    }

-    ScreenshotAsync(params, invocation) {
+    async ScreenshotAsync(params, invocation) {
        let [includeCursor, flash, filename] = params;
        let screenshot = this._createScreenshot(invocation);
        if (!screenshot)
@@ -221,18 +222,13 @@ var ScreenshotService = class {
        if (!stream)
            return;

-        screenshot.screenshot(includeCursor, stream,
-            (o, res) => {
-                try {
-                    let [success_, area] =
-                        screenshot.screenshot_finish(res);
-                    this._onScreenshotComplete(
-                        area, stream, file, flash, invocation);
-                } catch (e) {
-                    this._removeShooterForSender(invocation.get_sender());
-                    invocation.return_value(new GLib.Variant('(bs)', [false, '']));
-                }
-            });
+        try {
+            let [area] = await screenshot.screenshot(includeCursor, stream);
+            this._onScreenshotComplete(area, stream, file, flash, invocation);
+        } catch (e) {
+            this._removeShooterForSender(invocation.get_sender());
+            invocation.return_value(new GLib.Variant('(bs)', [false, '']));
+        }
    }

    async SelectAreaAsync(params, invocation) {
@@ -265,31 +261,28 @@ var ScreenshotService = class {
    }

    async PickColorAsync(params, invocation) {
-        let pickPixel = new PickPixel();
+        const screenshot = this._createScreenshot(invocation, false);
+        if (!screenshot)
+            return;
+
+        const pickPixel = new PickPixel(screenshot);
        try {
-            const coords = await pickPixel.pickAsync();
-
-            let screenshot = this._createScreenshot(invocation, false);
-            if (!screenshot)
-                return;
-
-            screenshot.pick_color(coords.x, coords.y, (_o, res) => {
-                let [success_, color] = screenshot.pick_color_finish(res);
-                let { red, green, blue } = color;
-                let retval = GLib.Variant.new('(a{sv})', [{
-                    color: GLib.Variant.new('(ddd)', [
-                        red / 255.0,
-                        green / 255.0,
-                        blue / 255.0,
-                    ]),
-                }]);
-                this._removeShooterForSender(invocation.get_sender());
-                invocation.return_value(retval);
-            });
+            const color = await pickPixel.pickAsync();
+            const { red, green, blue } = color;
+            const retval = GLib.Variant.new('(a{sv})', [{
+                color: GLib.Variant.new('(ddd)', [
+                    red / 255.0,
+                    green / 255.0,
+                    blue / 255.0,
+                ]),
+            }]);
+            invocation.return_value(retval);
        } catch (e) {
            invocation.return_error_literal(
                Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED,
                'Operation was cancelled');
+        } finally {
+            this._removeShooterForSender(invocation.get_sender());
        }
    }
 };
@@ -387,12 +380,145 @@ class SelectArea extends St.Widget {
    }
 });

+var RecolorEffect = GObject.registerClass({
+    Properties: {
+        color: GObject.ParamSpec.boxed(
+            'color', 'color', 'replacement color',
+            GObject.ParamFlags.WRITABLE,
+            Clutter.Color.$gtype),
+        chroma: GObject.ParamSpec.boxed(
+            'chroma', 'chroma', 'color to replace',
+            GObject.ParamFlags.WRITABLE,
+            Clutter.Color.$gtype),
+        threshold: GObject.ParamSpec.float(
+            'threshold', 'threshold', 'threshold',
+            GObject.ParamFlags.WRITABLE,
+            0.0, 1.0, 0.0),
+        smoothing: GObject.ParamSpec.float(
+            'smoothing', 'smoothing', 'smoothing',
+            GObject.ParamFlags.WRITABLE,
+            0.0, 1.0, 0.0),
+    },
+}, class RecolorEffect extends Shell.GLSLEffect {
+    _init(params) {
+        this._color = new Clutter.Color();
+        this._chroma = new Clutter.Color();
+        this._threshold = 0;
+        this._smoothing = 0;
+
+        this._colorLocation = null;
+        this._chromaLocation = null;
+        this._thresholdLocation = null;
+        this._smoothingLocation = null;
+
+        super._init(params);
+
+        this._colorLocation = this.get_uniform_location('recolor_color');
+        this._chromaLocation = this.get_uniform_location('chroma_color');
+        this._thresholdLocation = this.get_uniform_location('threshold');
+        this._smoothingLocation = this.get_uniform_location('smoothing');
+
+        this._updateColorUniform(this._colorLocation, this._color);
+        this._updateColorUniform(this._chromaLocation, this._chroma);
+        this._updateFloatUniform(this._thresholdLocation, this._threshold);
+        this._updateFloatUniform(this._smoothingLocation, this._smoothing);
+    }
+
+    _updateColorUniform(location, color) {
+        if (!location)
+            return;
+
+        this.set_uniform_float(location,
+            3, [color.red / 255, color.green / 255, color.blue / 255]);
+        this.queue_repaint();
+    }
+
+    _updateFloatUniform(location, value) {
+        if (!location)
+            return;
+
+        this.set_uniform_float(location, 1, [value]);
+        this.queue_repaint();
+    }
+
+    set color(c) {
+        if (this._color.equal(c))
+            return;
+
+        this._color = c;
+        this.notify('color');
+
+        this._updateColorUniform(this._colorLocation, this._color);
+    }
+
+    set chroma(c) {
+        if (this._chroma.equal(c))
+            return;
+
+        this._chroma = c;
+        this.notify('chroma');
+
+        this._updateColorUniform(this._chromaLocation, this._chroma);
+    }
+
+    set threshold(value) {
+        if (this._threshold === value)
+            return;
+
+        this._threshold = value;
+        this.notify('threshold');
+
+        this._updateFloatUniform(this._thresholdLocation, this._threshold);
+    }
+
+    set smoothing(value) {
+        if (this._smoothing === value)
+            return;
+
+        this._smoothing = value;
+        this.notify('smoothing');
+
+        this._updateFloatUniform(this._smoothingLocation, this._smoothing);
+    }
+
+    vfunc_build_pipeline() {
+        // Conversion parameters from https://en.wikipedia.org/wiki/YCbCr
+        const decl = `
+            vec3 rgb2yCrCb(vec3 c) {                                \n
+                float y = 0.299 * c.r + 0.587 * c.g + 0.114 * c.b;  \n
+                float cr = 0.7133 * (c.r - y);                      \n
+                float cb = 0.5643 * (c.b - y);                      \n
+                return vec3(y, cr, cb);                             \n
+            }                                                       \n
+                                                                    \n
+            uniform vec3 chroma_color;                              \n
+            uniform vec3 recolor_color;                             \n
+            uniform float threshold;                                \n
+            uniform float smoothing;                                \n`;
+        const src = `
+            vec3 mask = rgb2yCrCb(chroma_color.rgb);                \n
+            vec3 yCrCb = rgb2yCrCb(cogl_color_out.rgb);             \n
+            float blend =                                           \n
+              smoothstep(threshold,                                 \n
+                         threshold + smoothing,                     \n
+                         distance(yCrCb.gb, mask.gb));              \n
+            cogl_color_out.rgb =                                    \n
+              mix(recolor_color, cogl_color_out.rgb, blend);        \n`;
+
+        this.add_glsl_snippet(Shell.SnippetHook.FRAGMENT, decl, src, false);
+    }
+});
+
 var PickPixel = GObject.registerClass(
 class PickPixel extends St.Widget {
-    _init() {
+    _init(screenshot) {
        super._init({ visible: false, reactive: true });

+        this._screenshot = screenshot;
+
        this._result = null;
+        this._color = null;
+        this._inPick = false;

        Main.uiGroup.add_actor(this);

@@ -401,16 +527,44 @@ class PickPixel extends St.Widget {
        let constraint = new Clutter.BindConstraint({ source: global.stage,
                                                      coordinate: Clutter.BindCoordinate.ALL });
        this.add_constraint(constraint);
+
+        const action = new Clutter.ClickAction();
+        action.connect('clicked', async () => {
+            await this._pickColor(...action.get_coords());
+            this._result = this._color;
+            this._grabHelper.ungrab();
+        });
+        this.add_action(action);
+
+        this._recolorEffect = new RecolorEffect({
+            chroma: new Clutter.Color({
+                red: 80,
+                green: 219,
+                blue: 181,
+            }),
+            threshold: 0.04,
+            smoothing: 0.07,
+        });
+        this._previewCursor = new St.Icon({
+            icon_name: 'color-pick',
+            icon_size: Meta.prefs_get_cursor_size(),
+            effect: this._recolorEffect,
+            visible: false,
+        });
+        Main.uiGroup.add_actor(this._previewCursor);
    }

    async pickAsync() {
-        global.display.set_cursor(Meta.Cursor.CROSSHAIR);
+        global.display.set_cursor(Meta.Cursor.BLANK);
        Main.uiGroup.set_child_above_sibling(this, null);
        this.show();

+        this._pickColor(...global.get_pointer());
+
        await this._grabHelper.grabAsync({ actor: this });

        global.display.set_cursor(Meta.Cursor.DEFAULT);
+        this._previewCursor.destroy();

        GLib.idle_add(GLib.PRIORITY_DEFAULT, () => {
            this.destroy();
@@ -420,10 +574,25 @@ class PickPixel extends St.Widget {
        return this._result;
    }

-    vfunc_button_release_event(buttonEvent) {
-        let { x, y } = buttonEvent;
-        this._result = new Graphene.Point({ x, y });
-        this._grabHelper.ungrab();
+    async _pickColor(x, y) {
+        if (this._inPick)
+            return;
+
+        this._inPick = true;
+        this._previewCursor.set_position(x, y);
+        [this._color] = await this._screenshot.pick_color(x, y);
+        this._inPick = false;
+
+        if (!this._color)
+            return;
+
+        this._recolorEffect.color = this._color;
+        this._previewCursor.show();
+    }
+
+    vfunc_motion_event(motionEvent) {
+        const { x, y } = motionEvent;
+        this._pickColor(x, y);
        return Clutter.EVENT_PROPAGATE;
    }
 });
--- a/js/ui/search.js
+++ b/js/ui/search.js
@@ -6,17 +6,17 @@ const { Clutter, Gio, GLib, GObject, Meta, Shell, St } = imports.gi;
 const AppDisplay = imports.ui.appDisplay;
 const IconGrid = imports.ui.iconGrid;
 const Main = imports.ui.main;
+const ParentalControlsManager = imports.misc.parentalControlsManager;
 const RemoteSearch = imports.ui.remoteSearch;
 const Util = imports.misc.util;

 const SEARCH_PROVIDERS_SCHEMA = 'org.gnome.desktop.search-providers';

 var MAX_LIST_SEARCH_RESULTS_ROWS = 5;
-var MAX_GRID_SEARCH_RESULTS_ROWS = 1;

 var MaxWidthBox = GObject.registerClass(
 class MaxWidthBox extends St.BoxLayout {
-    vfunc_allocate(box, flags) {
+    vfunc_allocate(box) {
        let themeNode = this.get_theme_node();
        let maxWidth = themeNode.get_max_width();
        let availWidth = box.x2 - box.x1;
@@ -28,7 +28,7 @@ class MaxWidthBox extends St.BoxLayout {
            adjustedBox.x2 -= Math.floor(excessWidth / 2);
        }

-        super.vfunc_allocate(adjustedBox, flags);
+        super.vfunc_allocate(adjustedBox);
    }
 });

@@ -219,8 +219,7 @@ var SearchResultsBase = GObject.registerClass({

    _ensureResultActors(results, callback) {
        let metasNeeded = results.filter(
-            resultId => this._resultDisplays[resultId] === undefined
-        );
+            resultId => this._resultDisplays[resultId] === undefined);

        if (metasNeeded.length === 0) {
            callback(true);
@@ -349,18 +348,140 @@ class ListSearchResults extends SearchResultsBase {
    }
 });

+var GridSearchResultsLayout = GObject.registerClass({
+    Properties: {
+        'spacing': GObject.ParamSpec.int('spacing', 'Spacing', 'Spacing',
+            GObject.ParamFlags.READWRITE, 0, GLib.MAXINT32, 0),
+    },
+}, class GridSearchResultsLayout extends Clutter.LayoutManager {
+    _init() {
+        super._init();
+        this._spacing = 0;
+    }
+
+    vfunc_set_container(container) {
+        this._container = container;
+    }
+
+    vfunc_get_preferred_width(container, forHeight) {
+        let minWidth = 0;
+        let natWidth = 0;
+        let first = true;
+
+        for (let child of container) {
+            if (!child.visible)
+                continue;
+
+            const [childMinWidth, childNatWidth] = child.get_preferred_width(forHeight);
+
+            minWidth = Math.max(minWidth, childMinWidth);
+            natWidth += childNatWidth;
+
+            if (first)
+                first = false;
+            else
+                natWidth += this._spacing;
+        }
+
+        return [minWidth, natWidth];
+    }
+
+    vfunc_get_preferred_height(container, forWidth) {
+        let minHeight = 0;
+        let natHeight = 0;
+
+        for (let child of container) {
+            if (!child.visible)
+                continue;
+
+            const [childMinHeight, childNatHeight] = child.get_preferred_height(forWidth);
+
+            minHeight = Math.max(minHeight, childMinHeight);
+            natHeight = Math.max(natHeight, childNatHeight);
+        }
+
+        return [minHeight, natHeight];
+    }
+
+    vfunc_allocate(container, box) {
+        const width = box.get_width();
+
+        const childBox = new Clutter.ActorBox();
+        childBox.x1 = 0;
+        childBox.y1 = 0;
+
+        let first = true;
+        for (let child of container) {
+            if (!child.visible)
+                continue;
+
+            if (first)
+                first = false;
+            else
+                childBox.x1 += this._spacing;
+
+            const [childWidth] = child.get_preferred_width(-1);
+            const [childHeight] = child.get_preferred_height(-1);
+            childBox.set_size(childWidth, childHeight);
+
+            if (childBox.x1 + childWidth > width)
+                return;
+
+            child.allocate(childBox);
+
+            childBox.x1 += childWidth;
+        }
+    }
+
+    columnsForWidth(width) {
+        if (!this._container)
+            return -1;
+
+        const [minWidth] = this.get_preferred_width(this._container, -1);
+
+        if (minWidth === 0)
+            return -1;
+
+        let nCols = 0;
+        while (width > minWidth) {
+            width -= minWidth;
+            if (nCols > 0)
+                width -= this._spacing;
+            nCols++;
+        }
+
+        return nCols;
+    }
+
+    get spacing() {
+        return this._spacing;
+    }
+
+    set spacing(v) {
+        if (this._spacing === v)
+            return;
+        this._spacing = v;
+        this.layout_changed();
+    }
+});
+
 var GridSearchResults = GObject.registerClass(
 class GridSearchResults extends SearchResultsBase {
    _init(provider, resultsView) {
        super._init(provider, resultsView);

-        this._grid = new IconGrid.IconGrid({ rowLimit: MAX_GRID_SEARCH_RESULTS_ROWS,
-                                             xAlign: St.Align.START });
+        this._grid = new St.Widget({ style_class: 'grid-search-results' });
+        this._grid.layout_manager = new GridSearchResultsLayout();

-        this._bin = new St.Bin({ x_align: Clutter.ActorAlign.CENTER });
-        this._bin.set_child(this._grid);
+        this._grid.connect('style-changed', () => {
+            const node = this._grid.get_theme_node();
+            this._grid.layout_manager.spacing = node.get_length('spacing');
+        });

-        this._resultDisplayBin.set_child(this._bin);
+        this._resultDisplayBin.set_child(new St.Bin({
+            child: this._grid,
+            x_align: Clutter.ActorAlign.CENTER,
+        }));
    }

    _onDestroy() {
@@ -400,12 +521,11 @@ class GridSearchResults extends SearchResultsBase {
        if (width == 0)
            return -1;

-        let nCols = this._grid.columnsForWidth(width);
-        return nCols * this._grid.getRowLimit();
+        return this._grid.layout_manager.columnsForWidth(width);
    }

    _clearResultDisplay() {
-        this._grid.removeAll();
+        this._grid.remove_all_children();
    }

    _createResultDisplay(meta) {
@@ -414,14 +534,15 @@ class GridSearchResults extends SearchResultsBase {
    }

    _addItem(display) {
-        this._grid.addItem(display);
+        this._grid.add_child(display);
    }

    getFirstResult() {
-        if (this._grid.visibleItemsCount() > 0)
-            return this._grid.getItemAtIndex(0);
-        else
-            return null;
+        for (let child of this._grid) {
+            if (child.visible)
+                return child;
+        }
+        return null;
    }
 });

@@ -431,6 +552,9 @@ var SearchResultsView = GObject.registerClass({
    _init() {
        super._init({ name: 'searchResults', vertical: true });

+        this._parentalControlsManager = ParentalControlsManager.getDefault();
+        this._parentalControlsManager.connect('app-filter-changed', this._reloadRemoteProviders.bind(this));
+
        this._content = new MaxWidthBox({
            name: 'searchResultsContent',
            vertical: true,
@@ -505,6 +629,11 @@ var SearchResultsView = GObject.registerClass({

    _registerProvider(provider) {
        provider.searchInProgress = false;
+
+        // Filter out unwanted providers.
+        if (provider.appInfo && !this._parentalControlsManager.shouldShowApp(provider.appInfo))
+            return;
+
        this._providers.push(provider);
        this._ensureProviderDisplay(provider);
    }
--- a/js/ui/shellDBus.js
+++ b/js/ui/shellDBus.js
@@ -316,17 +316,7 @@ var GnomeShellExtensions = class {
    }

    OpenExtensionPrefs(uuid, parentWindow, options) {
-        Gio.DBus.session.call(
-            'org.gnome.Shell.Extensions',
-            '/org/gnome/Shell/Extensions',
-            'org.gnome.Shell.Extensions',
-            'OpenExtensionPrefs',
-            new GLib.Variant('(ssa{sv})', [uuid, parentWindow, options]),
-            null,
-            Gio.DBusCallFlags.NONE,
-            -1,
-            null,
-            (conn, res) => conn.call_finish(res));
+        Main.extensionManager.openExtensionPrefs(uuid, parentWindow, options);
    }

    ReloadExtensionAsync(params, invocation) {
--- a/js/ui/shellMountOperation.js
+++ b/js/ui/shellMountOperation.js
@@ -295,8 +295,8 @@ var ShellMountPasswordDialog = GObject.registerClass({
            this._keyfilesLabel = new St.Label({ visible: false });
            this._keyfilesLabel.clutter_text.set_markup(
                /* Translators: %s is the Disks application */
-                _("To unlock a volume that uses keyfiles, use the <i>%s</i> utility instead.").format(disksApp.get_name())
-            );
+                _('To unlock a volume that uses keyfiles, use the <i>%s</i> utility instead.')
+               .format(disksApp.get_name()));
            this._keyfilesLabel.clutter_text.ellipsize = Pango.EllipsizeMode.NONE;
            this._keyfilesLabel.clutter_text.line_wrap = true;
            content.add_child(this._keyfilesLabel);
@@ -464,8 +464,7 @@ var ShellMountPasswordDialog = GObject.registerClass({
                /* Translators: %s is the Disks application */
                _("Unable to start %s").format(app.get_name()),
                /* Translators: %s is the Disks application */
-                _("Couldn’t find the %s application").format(app.get_name())
-            );
+                _('Couldn’t find the %s application').format(app.get_name()));
        }
        this._onCancelButton();
    }
--- a/js/ui/status/bluetooth.js
+++ b/js/ui/status/bluetooth.js
@@ -1,7 +1,7 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 /* exported Indicator */

-const { Gio, GnomeBluetooth, GObject } = imports.gi;
+const { Gio, GLib, GnomeBluetooth, GObject } = imports.gi;

 const Main = imports.ui.main;
 const PanelMenu = imports.ui.panelMenu;
@@ -35,7 +35,7 @@ class Indicator extends PanelMenu.SystemIndicator {

                                                 this._sync();
                                             });
-        this._proxy.connect('g-properties-changed', this._sync.bind(this));
+        this._proxy.connect('g-properties-changed', this._queueSync.bind(this));

        this._item = new PopupMenu.PopupSubMenuMenuItem(_("Bluetooth"), true);
        this._item.icon.icon_name = 'bluetooth-active-symbolic';
@@ -49,15 +49,27 @@ class Indicator extends PanelMenu.SystemIndicator {
        this._item.menu.addSettingsAction(_("Bluetooth Settings"), 'gnome-bluetooth-panel.desktop');
        this.menu.addMenuItem(this._item);

+        this._syncId = 0;
+        this._adapter = null;
+
        this._client = new GnomeBluetooth.Client();
        this._model = this._client.get_model();
-        this._model.connect('row-changed', this._sync.bind(this));
-        this._model.connect('row-deleted', this._sync.bind(this));
+        this._model.connect('row-deleted', this._queueSync.bind(this));
+        this._model.connect('row-changed', this._queueSync.bind(this));
        this._model.connect('row-inserted', this._sync.bind(this));
        Main.sessionMode.connect('updated', this._sync.bind(this));
        this._sync();
    }

+    _setHadSetupDevices(value) {
+        if (this._hadSetupDevices === value)
+            return;
+
+        this._hadSetupDevices = value;
+        global.settings.set_boolean(
+            HAD_BLUETOOTH_DEVICES_SETUP, this._hadSetupDevices);
+    }
+
    _getDefaultAdapter() {
        let [ret, iter] = this._model.get_iter_first();
        while (ret) {
@@ -72,46 +84,53 @@ class Indicator extends PanelMenu.SystemIndicator {
        return null;
    }

-    // nDevices is the number of devices setup for the current default
-    // adapter if one exists and is powered. If unpowered or unavailable,
-    // nDevice is "1" if it had setup devices associated to it the last
-    // time it was seen, and "-1" if not.
-    //
-    // nConnectedDevices is the number of devices connected to the default
-    // adapter if one exists and is powered, or -1 if it's not available.
-    _getNDevices() {
-        let adapter = this._getDefaultAdapter();
+    _getDeviceInfos(adapter) {
        if (!adapter)
-            return [this._hadSetupDevices ? 1 : -1, -1];
+            return [];

-        let nConnectedDevices = 0;
-        let nDevices = 0;
+        let deviceInfos = [];
        let [ret, iter] = this._model.iter_children(adapter);
        while (ret) {
-            let isConnected = this._model.get_value(iter,
-                                                    GnomeBluetooth.Column.CONNECTED);
-            if (isConnected)
-                nConnectedDevices++;
+            const isPaired = this._model.get_value(iter,
+                GnomeBluetooth.Column.PAIRED);
+            const isTrusted = this._model.get_value(iter,
+                GnomeBluetooth.Column.TRUSTED);
+
+            if (isPaired || isTrusted) {
+                deviceInfos.push({
+                    connected: this._model.get_value(iter,
+                        GnomeBluetooth.Column.CONNECTED),
+                    name: this._model.get_value(iter,
+                        GnomeBluetooth.Column.ALIAS),
+                });
+            }

-            let isPaired = this._model.get_value(iter,
-                                                 GnomeBluetooth.Column.PAIRED);
-            let isTrusted = this._model.get_value(iter,
-                                                  GnomeBluetooth.Column.TRUSTED);
-            if (isPaired || isTrusted)
-                nDevices++;
            ret = this._model.iter_next(iter);
        }

-        if (this._hadSetupDevices != (nDevices > 0)) {
-            this._hadSetupDevices = !this._hadSetupDevices;
-            global.settings.set_boolean(HAD_BLUETOOTH_DEVICES_SETUP, this._hadSetupDevices);
-        }
+        return deviceInfos;
+    }

-        return [nDevices, nConnectedDevices];
+    _queueSync() {
+        if (this._syncId)
+            return;
+        this._syncId = GLib.idle_add(GLib.PRIORITY_DEFAULT, () => {
+            this._syncId = 0;
+            this._sync();
+            return GLib.SOURCE_REMOVE;
+        });
    }

    _sync() {
-        let [nDevices, nConnectedDevices] = this._getNDevices();
+        let adapter = this._getDefaultAdapter();
+        let devices = this._getDeviceInfos(adapter);
+        const connectedDevices = devices.filter(dev => dev.connected);
+        const nConnectedDevices = connectedDevices.length;
+
+        if (adapter && this._adapter)
+            this._setHadSetupDevices(devices.length > 0);
+        this._adapter = adapter;
+
        let sensitive = !Main.sessionMode.isLocked && !Main.sessionMode.isGreeter;

        this.menu.setSensitive(sensitive);
@@ -119,19 +138,21 @@ class Indicator extends PanelMenu.SystemIndicator {

        // Remember if there were setup devices and show the menu
        // if we've seen setup devices and we're not hard blocked
-        if (nDevices > 0)
+        if (this._hadSetupDevices)
            this._item.visible = !this._proxy.BluetoothHardwareAirplaneMode;
        else
            this._item.visible = this._proxy.BluetoothHasAirplaneMode && !this._proxy.BluetoothAirplaneMode;

-        if (nConnectedDevices > 0)
+        if (nConnectedDevices > 1)
            /* Translators: this is the number of connected bluetooth devices */
-            this._item.label.text = ngettext("%d Connected", "%d Connected", nConnectedDevices).format(nConnectedDevices);
-        else if (nConnectedDevices == -1)
-            this._item.label.text = _("Off");
+            this._item.label.text = ngettext('%d Connected", "%d Connected', nConnectedDevices).format(nConnectedDevices);
+        else if (nConnectedDevices === 1)
+            this._item.label.text = connectedDevices[0].name;
+        else if (adapter === null)
+            this._item.label.text = _('Bluetooth Off');
        else
-            this._item.label.text = _("On");
+            this._item.label.text = _('Bluetooth On');

-        this._toggleItem.label.text = this._proxy.BluetoothAirplaneMode ? _("Turn On") : _("Turn Off");
+        this._toggleItem.label.text = this._proxy.BluetoothAirplaneMode ? _('Turn On') : _('Turn Off');
    }
 });
--- a/js/ui/status/brightness.js
+++ b/js/ui/status/brightness.js
@@ -48,7 +48,9 @@ class Indicator extends PanelMenu.SystemIndicator {
        this._item.connect('key-press-event', (actor, event) => {
            return this._slider.emit('key-press-event', event);
        });
-
+        this._item.connect('scroll-event', (actor, event) => {
+            return this._slider.emit('scroll-event', event);
+        });
    }

    _sliderChanged() {
--- a/js/ui/status/keyboard.js
+++ b/js/ui/status/keyboard.js
@@ -199,36 +199,36 @@ var InputSourceSystemSettings = class extends InputSourceSettings {
                                         this._reload.bind(this));
    }

-    _reload() {
-        Gio.DBus.system.call(this._BUS_NAME,
-                             this._BUS_PATH,
-                             this._BUS_PROPS_IFACE,
-                             'GetAll',
-                             new GLib.Variant('(s)', [this._BUS_IFACE]),
-                             null, Gio.DBusCallFlags.NONE, -1, null,
-                             (conn, result) => {
-                                 let props;
-                                 try {
-                                     props = conn.call_finish(result).deep_unpack()[0];
-                                 } catch (e) {
-                                     log('Could not get properties from %s'.format(this._BUS_NAME));
-                                     return;
-                                 }
-                                 let layouts = props['X11Layout'].unpack();
-                                 let variants = props['X11Variant'].unpack();
-                                 let options = props['X11Options'].unpack();
+    async _reload() {
+        let props;
+        try {
+            const result = await Gio.DBus.system.call(
+                this._BUS_NAME,
+                this._BUS_PATH,
+                this._BUS_PROPS_IFACE,
+                'GetAll',
+                new GLib.Variant('(s)', [this._BUS_IFACE]),
+                null, Gio.DBusCallFlags.NONE, -1, null);
+            [props] = result.deep_unpack();
+        } catch (e) {
+            log('Could not get properties from %s'.format(this._BUS_NAME));
+            return;
+        }

-                                 if (layouts != this._layouts ||
-                                     variants != this._variants) {
-                                     this._layouts = layouts;
-                                     this._variants = variants;
-                                     this._emitInputSourcesChanged();
-                                 }
-                                 if (options != this._options) {
-                                     this._options = options;
-                                     this._emitKeyboardOptionsChanged();
-                                 }
-                             });
+        const layouts = props['X11Layout'].unpack();
+        const variants = props['X11Variant'].unpack();
+        const options = props['X11Options'].unpack();
+
+        if (layouts !== this._layouts ||
+            variants !== this._variants) {
+            this._layouts = layouts;
+            this._variants = variants;
+            this._emitInputSourcesChanged();
+        }
+        if (options !== this._options) {
+            this._options = options;
+            this._emitKeyboardOptionsChanged();
+        }
    }

    get inputSources() {
@@ -805,8 +805,8 @@ class InputSourceIndicatorContainer extends St.Widget {
        }, [0, 0]);
    }

-    vfunc_allocate(box, flags) {
-        this.set_allocation(box, flags);
+    vfunc_allocate(box) {
+        this.set_allocation(box);

        // translate box to (0, 0)
        box.x2 -= box.x1;
@@ -815,7 +815,7 @@ class InputSourceIndicatorContainer extends St.Widget {
        box.y1 = 0;

        this.get_children().forEach(c => {
-            c.allocate_align_fill(box, 0.5, 0.5, false, false, flags);
+            c.allocate_align_fill(box, 0.5, 0.5, false, false);
        });
    }
 });
--- a/js/ui/status/location.js
+++ b/js/ui/status/location.js
@@ -225,10 +225,6 @@ class Indicator extends PanelMenu.SystemIndicator {
    }
 });

-function clamp(value, min, max) {
-    return Math.max(min, Math.min(max, value));
-}
-
 var AppAuthorizer = class {
    constructor(desktopId, reqAccuracyLevel, permStoreProxy, maxAccuracyLevel) {
        this.desktopId = desktopId;
@@ -313,9 +309,8 @@ var AppAuthorizer = class {

    _completeAuth() {
        if (this._accuracyLevel != GeoclueAccuracyLevel.NONE) {
-            this._accuracyLevel = clamp(this._accuracyLevel,
-                                        0,
-                                        this._maxAccuracyLevel);
+            this._accuracyLevel = Math.clamp(this._accuracyLevel,
+                0, this._maxAccuracyLevel);
        }
        this._saveToPermissionStore();

--- a/js/ui/status/network.js
+++ b/js/ui/status/network.js
@@ -15,6 +15,10 @@ const Util = imports.misc.util;

 const { loadInterfaceXML } = imports.misc.fileUtils;

+Gio._promisify(NM.Client, 'new_async', 'new_finish');
+Gio._promisify(NM.Client.prototype,
+    'check_connectivity_async', 'check_connectivity_finish');
+
 const NMConnectionCategory = {
    INVALID: 'invalid',
    WIRED: 'wired',
@@ -712,8 +716,7 @@ class NMWirelessDialog extends ModalDialog.ModalDialog {

        let connections = client.get_connections();
        this._connections = connections.filter(
-            connection => device.connection_valid(connection)
-        );
+            connection => device.connection_valid(connection));

        this._apAddedId = device.connect('access-point-added', this._accessPointAdded.bind(this));
        this._apRemovedId = device.connect('access-point-removed', this._accessPointRemoved.bind(this));
@@ -1627,11 +1630,11 @@ class Indicator extends PanelMenu.SystemIndicator {
        this._ctypes[NM.SETTING_GSM_SETTING_NAME] = NMConnectionCategory.WWAN;
        this._ctypes[NM.SETTING_VPN_SETTING_NAME] = NMConnectionCategory.VPN;

-        NM.Client.new_async(null, this._clientGot.bind(this));
+        this._getClient();
    }

-    _clientGot(obj, result) {
-        this._client = NM.Client.new_finish(result);
+    async _getClient() {
+        this._client = await NM.Client.new_async(null);

        this._activeConnections = [];
        this._connections = [];
@@ -1859,8 +1862,7 @@ class Indicator extends PanelMenu.SystemIndicator {
    _syncVpnConnections() {
        let activeConnections = this._client.get_active_connections() || [];
        let vpnConnections = activeConnections.filter(
-            a => a instanceof NM.VpnConnection
-        );
+            a => a instanceof NM.VpnConnection);
        vpnConnections.forEach(a => {
            ensureActiveConnectionProps(a);
        });
@@ -1982,7 +1984,7 @@ class Indicator extends PanelMenu.SystemIndicator {
        }
    }

-    _portalHelperDone(proxy, emitter, parameters) {
+    async _portalHelperDone(proxy, emitter, parameters) {
        let [path, result] = parameters;

        if (result == PortalHelperResult.CANCELLED) {
@@ -1993,13 +1995,11 @@ class Indicator extends PanelMenu.SystemIndicator {
        } else if (result == PortalHelperResult.COMPLETED) {
            this._closeConnectivityCheck(path);
        } else if (result == PortalHelperResult.RECHECK) {
-            this._client.check_connectivity_async(null, (client, res) => {
-                try {
-                    let state = client.check_connectivity_finish(res);
-                    if (state >= NM.ConnectivityState.FULL)
-                        this._closeConnectivityCheck(path);
-                } catch (e) { }
-            });
+            try {
+                const state = await this._client.check_connectivity_async(null);
+                if (state >= NM.ConnectivityState.FULL)
+                    this._closeConnectivityCheck(path);
+            } catch (e) { }
        } else {
            log('Invalid result from portal helper: %s'.format(result));
        }
--- a/js/ui/status/power.js
+++ b/js/ui/status/power.js
@@ -112,12 +112,12 @@ class Indicator extends PanelMenu.SystemIndicator {
        let chargingState = this._proxy.State == UPower.DeviceState.CHARGING
            ? '-charging' : '';
        let fillLevel = 10 * Math.floor(this._proxy.Percentage / 10);
-        let icon;
-        if (this._proxy.State == UPower.DeviceState.FULLY_CHARGED ||
-            fillLevel === 100)
-            icon = 'battery-level-100-charged-symbolic';
-        else
-            icon = 'battery-level-%d%s-symbolic'.format(fillLevel, chargingState);
+        const charged =
+            this._proxy.State === UPower.DeviceState.FULLY_CHARGED ||
+            (this._proxy.State === UPower.DeviceState.CHARGING && fillLevel === 100);
+        const icon = charged
+            ? 'battery-level-100-charged-symbolic'
+            : 'battery-level-%d%s-symbolic'.format(fillLevel, chargingState);

        // Make sure we fall back to fallback-icon-name and not GThemedIcon's
        // default fallbacks
@@ -139,7 +139,7 @@ class Indicator extends PanelMenu.SystemIndicator {
            label = _("%d\u2009%%").format(100);
        else
            label = _("%d\u2009%%").format(this._proxy.Percentage);
-        this._percentageLabel.clutter_text.set_markup('<span size="smaller">' + label + '</span>');
+        this._percentageLabel.text = label;

        // The status label
        this._item.label.text = this._getStatus();
--- a/js/ui/status/remoteAccess.js
+++ b/js/ui/status/remoteAccess.js
@@ -11,8 +11,7 @@ class RemoteAccessApplet extends PanelMenu.SystemIndicator {
    _init() {
        super._init();

-        let backend = Meta.get_backend();
-        let controller = backend.get_remote_access_controller();
+        let controller = global.backend.get_remote_access_controller();

        if (!controller)
            return;
--- a/js/ui/status/system.js
+++ b/js/ui/status/system.js
@@ -82,8 +82,7 @@ class Indicator extends PanelMenu.SystemIndicator {
        });

        let app = this._settingsApp = Shell.AppSystem.get_default().lookup_app(
-            'gnome-control-center.desktop'
-        );
+            'gnome-control-center.desktop');
        if (app) {
            let [icon, name] = [app.app_info.get_icon().names[0],
                                app.get_name()];
--- a/js/ui/status/thunderbolt.js
+++ b/js/ui/status/thunderbolt.js
@@ -52,22 +52,21 @@ const BOLT_DBUS_PATH = '/org/freedesktop/bolt';
 var Client = class {
    constructor() {
        this._proxy = null;
-        let nodeInfo = Gio.DBusNodeInfo.new_for_xml(BoltClientInterface);
-        Gio.DBusProxy.new(Gio.DBus.system,
-                          Gio.DBusProxyFlags.DO_NOT_AUTO_START,
-                          nodeInfo.lookup_interface(BOLT_DBUS_CLIENT_IFACE),
-                          BOLT_DBUS_NAME,
-                          BOLT_DBUS_PATH,
-                          BOLT_DBUS_CLIENT_IFACE,
-                          null,
-                          this._onProxyReady.bind(this));
-
        this.probing = false;
+        this._getProxy();
    }

-    _onProxyReady(o, res) {
+    async _getProxy() {
+        let nodeInfo = Gio.DBusNodeInfo.new_for_xml(BoltClientInterface);
        try {
-            this._proxy = Gio.DBusProxy.new_finish(res);
+            this._proxy = await Gio.DBusProxy.new(
+                Gio.DBus.system,
+                Gio.DBusProxyFlags.DO_NOT_AUTO_START,
+                nodeInfo.lookup_interface(BOLT_DBUS_CLIENT_IFACE),
+                BOLT_DBUS_NAME,
+                BOLT_DBUS_PATH,
+                BOLT_DBUS_CLIENT_IFACE,
+                null);
        } catch (e) {
            log('error creating bolt proxy: %s'.format(e.message));
            return;
@@ -243,14 +242,15 @@ class Indicator extends PanelMenu.SystemIndicator {

        this._source = null;
        this._perm = null;
+        this._createPermission();
+    }

-        Polkit.Permission.new('org.freedesktop.bolt.enroll', null, null, (source, res) => {
-            try {
-                this._perm = Polkit.Permission.new_finish(res);
-            } catch (e) {
-                log('Failed to get PolKit permission: %s'.format(e.toString()));
-            }
-        });
+    async _createPermission() {
+        try {
+            this._perm = await Polkit.Permission.new('org.freedesktop.bolt.enroll', null, null);
+        } catch (e) {
+            log('Failed to get PolKit permission: %s'.format(e.toString()));
+        }
    }

    _onDestroy() {
--- a/js/ui/status/volume.js
+++ b/js/ui/status/volume.js
@@ -56,6 +56,9 @@ var StreamSlider = class {
        this.item.connect('key-press-event', (actor, event) => {
            return this._slider.emit('key-press-event', event);
        });
+        this.item.connect('scroll-event', (actor, event) => {
+            return this._slider.emit('scroll-event', event);
+        });

        this._stream = null;
        this._volumeCancellable = null;
--- a/js/ui/swipeTracker.js
+++ b/js/ui/swipeTracker.js
@@ -28,10 +28,6 @@ const State = {
    SCROLLING: 1,
 };

-function clamp(value, min, max) {
-    return Math.max(min, Math.min(max, value));
-}
-
 const TouchpadSwipeGesture = GObject.registerClass({
    Properties: {
        'enabled': GObject.ParamSpec.boolean(
@@ -558,8 +554,8 @@ var SwipeTracker = GObject.registerClass({

        let firstPoint = this._snapPoints[0];
        let lastPoint = this._snapPoints[this._snapPoints.length - 1];
-        this._progress = clamp(this._progress, firstPoint, lastPoint);
-        this._progress = clamp(this._progress,
+        this._progress = Math.clamp(this._progress, firstPoint, lastPoint);
+        this._progress = Math.clamp(this._progress,
            this._initialProgress - 1, this._initialProgress + 1);

        this.emit('update', this._progress);
@@ -606,7 +602,7 @@ var SwipeTracker = GObject.registerClass({

        let duration = Math.abs((this._progress - endProgress) / velocity * DURATION_MULTIPLIER);
        if (duration > 0) {
-            duration = clamp(duration,
+            duration = Math.clamp(duration,
                MIN_ANIMATION_DURATION, MAX_ANIMATION_DURATION);
        }

--- a/js/ui/switcherPopup.js
+++ b/js/ui/switcherPopup.js
@@ -66,8 +66,8 @@ var SwitcherPopup = GObject.registerClass({
        this._disableHover();
    }

-    vfunc_allocate(box, flags) {
-        this.set_allocation(box, flags);
+    vfunc_allocate(box) {
+        this.set_allocation(box);

        let childBox = new Clutter.ActorBox();
        let primary = Main.layoutManager.primaryMonitor;
@@ -84,7 +84,7 @@ var SwitcherPopup = GObject.registerClass({
        childBox.x2 = Math.min(primary.x + primary.width - rightPadding, childBox.x1 + childNaturalWidth);
        childBox.y1 = primary.y + Math.floor((primary.height - childNaturalHeight) / 2);
        childBox.y2 = childBox.y1 + childNaturalHeight;
-        this._switcherList.allocate(childBox, flags);
+        this._switcherList.allocate(childBox);
    }

    _initialSelection(backward, _binding) {
@@ -317,7 +317,7 @@ var SwitcherPopup = GObject.registerClass({
            this.ease({
                opacity: 0,
                duration: POPUP_FADE_OUT_TIME,
-                mode: Clutter.Animation.EASE_OUT_QUAD,
+                mode: Clutter.AnimationMode.EASE_OUT_QUAD,
                onComplete: () => this.destroy(),
            });
        } else {
@@ -591,8 +591,8 @@ var SwitcherList = GObject.registerClass({
        return themeNode.adjust_preferred_height(maxChildMin, maxChildNat);
    }

-    vfunc_allocate(box, flags) {
-        this.set_allocation(box, flags);
+    vfunc_allocate(box) {
+        this.set_allocation(box);

        let contentBox = this.get_theme_node().get_content_box(box);
        let width = contentBox.x2 - contentBox.x1;
@@ -606,7 +606,7 @@ var SwitcherList = GObject.registerClass({
        let childBox = new Clutter.ActorBox();
        let scrollable = minListWidth > width;

-        this._scrollView.allocate(contentBox, flags);
+        this._scrollView.allocate(contentBox);

        let arrowWidth = Math.floor(leftPadding / 3);
        let arrowHeight = arrowWidth * 2;
@@ -614,7 +614,7 @@ var SwitcherList = GObject.registerClass({
        childBox.y1 = this.height / 2 - arrowWidth;
        childBox.x2 = childBox.x1 + arrowWidth;
        childBox.y2 = childBox.y1 + arrowHeight;
-        this._leftArrow.allocate(childBox, flags);
+        this._leftArrow.allocate(childBox);
        this._leftArrow.opacity = this._scrollableLeft && scrollable ? 255 : 0;

        arrowWidth = Math.floor(rightPadding / 3);
@@ -623,7 +623,7 @@ var SwitcherList = GObject.registerClass({
        childBox.y1 = this.height / 2 - arrowWidth;
        childBox.x2 = childBox.x1 + arrowWidth;
        childBox.y2 = childBox.y1 + arrowHeight;
-        this._rightArrow.allocate(childBox, flags);
+        this._rightArrow.allocate(childBox);
        this._rightArrow.opacity = this._scrollableRight && scrollable ? 255 : 0;
    }
 });
--- a/js/ui/tweener.js
+++ b/js/ui/tweener.js
@@ -1,228 +0,0 @@
-// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
-/* exported init, addCaller, addTween, getTweenCount, removeTweens,
-            pauseTweens, resumeTweens, registerSpecialProperty,
-            registerSpecialPropertyModifier, registerSpecialPropertySplitter */
-
-const { Clutter, GLib, Shell } = imports.gi;
-const Signals = imports.signals;
-const Tweener = imports.tweener.tweener;
-
-const { adjustAnimationTime } = imports.ui.environment;
-
-// This is a wrapper around imports.tweener.tweener that adds a bit of
-// Clutter integration. If the tweening target is a Clutter.Actor, then
-// the tweenings will automatically be removed if the actor is destroyed.
-
-// ActionScript Tweener methods that imports.tweener.tweener doesn't
-// currently implement: getTweens, getVersion, registerTransition,
-// setTimeScale, updateTime.
-
-// imports.tweener.tweener methods that we don't re-export:
-// pauseAllTweens, removeAllTweens, resumeAllTweens. (It would be hard
-// to clean up properly after removeAllTweens, and also, any code that
-// calls any of these is almost certainly wrong anyway, because they
-// affect the entire application.)
-
-// Called from Main.start
-function init() {
-    Tweener.setFrameTicker(new ClutterFrameTicker());
-}
-
-
-function addCaller(target, tweeningParameters) {
-    _wrapTweening(target, tweeningParameters);
-    Tweener.addCaller(target, tweeningParameters);
-}
-
-function addTween(target, tweeningParameters) {
-    _wrapTweening(target, tweeningParameters);
-    Tweener.addTween(target, tweeningParameters);
-}
-
-function _wrapTweening(target, tweeningParameters) {
-    let state = _getTweenState(target);
-
-    if (!state.destroyedId) {
-        if (target instanceof Clutter.Actor) {
-            state.actor = target;
-            state.destroyedId = target.connect('destroy', _actorDestroyed);
-        } else if (target.actor && target.actor instanceof Clutter.Actor) {
-            state.actor = target.actor;
-            state.destroyedId = target.actor.connect('destroy', () => _actorDestroyed(target));
-        }
-    }
-
-    let { time, delay } = tweeningParameters;
-    if (!isNaN(time))
-        tweeningParameters['time'] = adjustAnimationTime(1000 * time) / 1000;
-    if (!isNaN(delay))
-        tweeningParameters['delay'] = adjustAnimationTime(1000 * delay) / 1000;
-
-    _addHandler(target, tweeningParameters, 'onComplete', _tweenCompleted);
-}
-
-function _getTweenState(target) {
-    // If we were paranoid, we could keep a plist mapping targets to
-    // states... but we're not that paranoid.
-    if (!target.__ShellTweenerState)
-        target.__ShellTweenerState = {};
-    return target.__ShellTweenerState;
-}
-
-function _resetTweenState(target) {
-    let state = target.__ShellTweenerState;
-
-    if (state) {
-        if (state.destroyedId)
-            state.actor.disconnect(state.destroyedId);
-    }
-
-    target.__ShellTweenerState = {};
-}
-
-function _addHandler(target, params, name, handler) {
-    if (params[name]) {
-        let oldHandler = params[name];
-        let oldScope = params[`${name}Scope`];
-        let oldParams = params[`${name}Params`];
-        let eventScope = oldScope ? oldScope : target;
-
-        params[name] = () => {
-            oldHandler.apply(eventScope, oldParams);
-            handler(target);
-        };
-    } else {
-        params[name] = () => handler(target);
-    }
-}
-
-function _actorDestroyed(target) {
-    _resetTweenState(target);
-    Tweener.removeTweens(target);
-}
-
-function _tweenCompleted(target) {
-    if (!isTweening(target))
-        _resetTweenState(target);
-}
-
-function getTweenCount(scope) {
-    return Tweener.getTweenCount(scope);
-}
-
-// imports.tweener.tweener doesn't provide this method (which exists
-// in the ActionScript version) but it's easy to implement.
-function isTweening(scope) {
-    return Tweener.getTweenCount(scope) != 0;
-}
-
-function removeTweens(...args) {
-    if (Tweener.removeTweens(args)) {
-        let [scope] = args;
-        // If we just removed the last active tween, clean up
-        if (Tweener.getTweenCount(scope) == 0)
-            _tweenCompleted(scope);
-        return true;
-    } else {
-        return false;
-    }
-}
-
-function pauseTweens(...args) {
-    return Tweener.pauseTweens(...args);
-}
-
-function resumeTweens(...args) {
-    return Tweener.resumeTweens(...args);
-}
-
-
-function registerSpecialProperty(...args) {
-    Tweener.registerSpecialProperty(...args);
-}
-
-function registerSpecialPropertyModifier(name, modifyFunction, getFunction) {
-    Tweener.registerSpecialPropertyModifier(name, modifyFunction, getFunction);
-}
-
-function registerSpecialPropertySplitter(name, splitFunction, parameters) {
-    Tweener.registerSpecialPropertySplitter(name, splitFunction, parameters);
-}
-
-
-// The 'FrameTicker' object is an object used to feed new frames to
-// Tweener so it can update values and redraw. The default frame
-// ticker for Tweener just uses a simple timeout at a fixed frame rate
-// and has no idea of "catching up" by dropping frames.
-//
-// We substitute it with custom frame ticker here that connects
-// Tweener to a Clutter.TimeLine. Now, Clutter.Timeline itself isn't a
-// whole lot more sophisticated than a simple timeout at a fixed frame
-// rate, but at least it knows how to drop frames. (See
-// HippoAnimationManager for a more sophisticated view of continuous
-// time updates; even better is to pay attention to the vertical
-// vblank and sync to that when possible.)
-//
-var ClutterFrameTicker = class {
-    constructor() {
-        // We don't have a finite duration; tweener will tell us to stop
-        // when we need to stop, so use 1000 seconds as "infinity", and
-        // set the timeline to loop. Doing this means we have to track
-        // time ourselves, since clutter timeline's time will cycle
-        // instead of strictly increase.
-        this._timeline = new Clutter.Timeline({ duration: 1000 * 1000 });
-        this._timeline.set_loop(true);
-        this._startTime = -1;
-        this._currentTime = -1;
-
-        this._timeline.connect('new-frame', () => {
-            this._onNewFrame();
-        });
-
-        let perfLog = Shell.PerfLog.get_default();
-        perfLog.define_event("tweener.framePrepareStart",
-                             "Start of a new animation frame",
-                             "");
-        perfLog.define_event("tweener.framePrepareDone",
-                             "Finished preparing frame",
-                             "");
-    }
-
-    get FRAME_RATE() {
-        return 60;
-    }
-
-    _onNewFrame() {
-        // If there is a lot of setup to start the animation, then
-        // first frame number we get from clutter might be a long ways
-        // into the animation (or the animation might even be done).
-        // That looks bad, so we always start at the first frame of the
-        // animation then only do frame dropping from there.
-        if (this._startTime < 0)
-            this._startTime = GLib.get_monotonic_time() / 1000.0;
-
-        // currentTime is in milliseconds
-        let perfLog = Shell.PerfLog.get_default();
-        this._currentTime = GLib.get_monotonic_time() / 1000.0 - this._startTime;
-        perfLog.event("tweener.framePrepareStart");
-        this.emit('prepare-frame');
-        perfLog.event("tweener.framePrepareDone");
-    }
-
-    getTime() {
-        return this._currentTime;
-    }
-
-    start() {
-        this._timeline.start();
-        global.begin_work();
-    }
-
-    stop() {
-        this._timeline.stop();
-        this._startTime = -1;
-        this._currentTime = -1;
-        global.end_work();
-    }
-};
-Signals.addSignalMethods(ClutterFrameTicker.prototype);
--- a/js/ui/unlockDialog.js
+++ b/js/ui/unlockDialog.js
@@ -405,7 +405,7 @@ class UnlockDialogLayout extends Clutter.LayoutManager {
        return this._stack.get_preferred_height(forWidth);
    }

-    vfunc_allocate(container, box, flags) {
+    vfunc_allocate(container, box) {
        let [width, height] = box.get_size();

        let tenthOfHeight = height / 10.0;
@@ -432,7 +432,7 @@ class UnlockDialogLayout extends Clutter.LayoutManager {
        actorBox.x2 = columnX1 + columnWidth;
        actorBox.y2 = actorBox.y1 + maxNotificationsHeight;

-        this._notifications.allocate(actorBox, flags);
+        this._notifications.allocate(actorBox);

        // Authentication Box
        let stackY = Math.min(
@@ -444,7 +444,7 @@ class UnlockDialogLayout extends Clutter.LayoutManager {
        actorBox.x2 = columnX1 + columnWidth;
        actorBox.y2 = stackY + stackHeight;

-        this._stack.allocate(actorBox, flags);
+        this._stack.allocate(actorBox);

        // Switch User button
        if (this._switchUserButton.visible) {
@@ -461,7 +461,7 @@ class UnlockDialogLayout extends Clutter.LayoutManager {
            actorBox.x2 = actorBox.x1 + natWidth;
            actorBox.y2 = actorBox.y1 + natHeight;

-            this._switchUserButton.allocate(actorBox, flags);
+            this._switchUserButton.allocate(actorBox);
        }
    }
 });
@@ -566,9 +566,17 @@ var UnlockDialog = GObject.registerClass({
        this._otherUserButton.set_pivot_point(0.5, 0.5);
        this._otherUserButton.connect('clicked', this._otherUserClicked.bind(this));

-        let screenSaverSettings = new Gio.Settings({ schema_id: 'org.gnome.desktop.screensaver' });
-        screenSaverSettings.bind('user-switch-enabled',
-            this._otherUserButton, 'visible', Gio.SettingsBindFlags.GET);
+        this._screenSaverSettings = new Gio.Settings({ schema_id: 'org.gnome.desktop.screensaver' });
+
+        this._userSwitchEnabledId = 0;
+        this._userSwitchEnabledId = this._screenSaverSettings.connect('changed::user-switch-enabled',
+            this._updateUserSwitchVisibility.bind(this));
+
+        this._userLoadedId = 0;
+        this._userLoadedId = this._user.connect('notify::is-loaded',
+            this._updateUserSwitchVisibility.bind(this));
+
+        this._updateUserSwitchVisibility();

        // Main Box
        let mainBox = new St.Widget();
@@ -605,7 +613,7 @@ var UnlockDialog = GObject.registerClass({
        this._showPrompt();

        if (GLib.unichar_isgraph(unichar))
-            this.addCharacter(unichar);
+            this._authPrompt.addCharacter(unichar);

        return Clutter.EVENT_PROPAGATE;
    }
@@ -828,6 +836,21 @@ var UnlockDialog = GObject.registerClass({
            this._gdmClient = null;
            delete this._gdmClient;
        }
+
+        if (this._userLoadedId) {
+            this._user.disconnect(this._userLoadedId);
+            this._userLoadedId = 0;
+        }
+
+        if (this._userSwitchEnabledId) {
+            this._screenSaverSettings.disconnect(this._userSwitchEnabledId);
+            this._userSwitchEnabledId = 0;
+        }
+    }
+
+    _updateUserSwitchVisibility() {
+        this._otherUserButton.visible = this._userManager.can_switch() &&
+            this._screenSaverSettings.get_boolean('user-switch-enabled');
    }

    cancel() {
@@ -835,11 +858,6 @@ var UnlockDialog = GObject.registerClass({
            this._authPrompt.cancel();
    }

-    addCharacter(unichar) {
-        this._showPrompt();
-        this._authPrompt.addCharacter(unichar);
-    }
-
    finish(onComplete) {
        this._ensureAuthPrompt();
        this._authPrompt.finish(onComplete);
--- a/js/ui/userWidget.js
+++ b/js/ui/userWidget.js
@@ -144,8 +144,8 @@ class UserWidgetLabel extends St.Widget {
        }
    }

-    vfunc_allocate(box, flags) {
-        this.set_allocation(box, flags);
+    vfunc_allocate(box) {
+        this.set_allocation(box);

        let availWidth = box.x2 - box.x1;
        let availHeight = box.y2 - box.y1;
@@ -164,7 +164,7 @@ class UserWidgetLabel extends St.Widget {
        childBox.x2 = availWidth;
        childBox.y2 = availHeight;

-        this._currentLabel.allocate(childBox, flags);
+        this._currentLabel.allocate(childBox);
    }

    vfunc_paint(paintContext) {
--- a/js/ui/viewSelector.js
+++ b/js/ui/viewSelector.js
@@ -132,6 +132,7 @@ var ViewSelector = GObject.registerClass({
        super._init({
            name: 'viewSelector',
            x_expand: true,
+            visible: false,
        });

        this._showAppsButton = showAppsButton;
@@ -271,9 +272,10 @@ var ViewSelector = GObject.registerClass({
        Main.overview.show();
    }

-    show() {
+    animateToOverview() {
+        this.show();
        this.reset();
-        this._workspacesDisplay.show(this._showAppsButton.checked);
+        this._workspacesDisplay.animateToOverview(this._showAppsButton.checked);
        this._activePage = null;
        if (this._showAppsButton.checked)
            this._showPage(this._appsPage);
@@ -301,9 +303,11 @@ var ViewSelector = GObject.registerClass({
        this._workspacesDisplay.setWorkspacesFullGeometry(geom);
    }

-    hide() {
+    vfunc_hide() {
        this.reset();
        this._workspacesDisplay.hide();
+
+        super.vfunc_hide();
    }

    _addPage(actor, name, a11yIcon, params) {
--- a/js/ui/windowManager.js
+++ b/js/ui/windowManager.js
@@ -82,8 +82,10 @@ class DisplayChangeDialog extends ModalDialog.ModalDialog {
    }

    _formatCountDown() {
-        let fmt = ngettext("Settings changes will revert in %d second",
-                           "Settings changes will revert in %d seconds");
+        const fmt = ngettext(
+            'Settings changes will revert in %d second',
+            'Settings changes will revert in %d seconds',
+            this._countDown);
        return fmt.format(this._countDown);
    }

@@ -898,35 +900,47 @@ var WindowManager = class {

        global.display.connect('init-xserver', (display, task) => {
            IBusManager.getIBusManager().restartDaemon(['--xim']);
-            Shell.util_start_systemd_unit('gsd-xsettings.target', 'fail');

-            /* Leave this watchdog timeout so don't block indefinitely here */
-            let timeoutId = GLib.timeout_add_seconds(GLib.PRIORITY_DEFAULT, 5, () => {
-                Gio.DBus.session.unwatch_name(watchId);
-                log('Warning: Failed to start gsd-xsettings');
-                task.return_boolean(true);
-                timeoutId = 0;
-                return GLib.SOURCE_REMOVE;
-            });
+            try {
+                if (!Shell.util_start_systemd_unit('gsd-xsettings.target', 'fail'))
+                    log('Not starting gsd-xsettings; waiting for gnome-session to do so');

-            /* When gsd-xsettings daemon is started, we are good to resume */
-            let watchId = Gio.DBus.session.watch_name(
-                'org.gnome.SettingsDaemon.XSettings',
-                Gio.BusNameWatcherFlags.NONE,
-                () => {
+                /* Leave this watchdog timeout so don't block indefinitely here */
+                let timeoutId = GLib.timeout_add_seconds(GLib.PRIORITY_DEFAULT, 5, () => {
                    Gio.DBus.session.unwatch_name(watchId);
-                    if (timeoutId > 0) {
-                        task.return_boolean(true);
-                        GLib.source_remove(timeoutId);
-                    }
-                },
-                null);
+                    log('Warning: Failed to start gsd-xsettings');
+                    task.return_boolean(true);
+                    timeoutId = 0;
+                    return GLib.SOURCE_REMOVE;
+                });
+
+                /* When gsd-xsettings daemon is started, we are good to resume */
+                let watchId = Gio.DBus.session.watch_name(
+                    'org.gnome.SettingsDaemon.XSettings',
+                    Gio.BusNameWatcherFlags.NONE,
+                    () => {
+                        Gio.DBus.session.unwatch_name(watchId);
+                        if (timeoutId > 0) {
+                            task.return_boolean(true);
+                            GLib.source_remove(timeoutId);
+                        }
+                    },
+                    null);
+            } catch (e) {
+                log('Error starting gsd-xsettings: %s'.format(e.message));
+                task.return_boolean(true);
+            }
+
            return true;
        });
        global.display.connect('x11-display-closing', () => {
            if (!Meta.is_wayland_compositor())
                return;
-            Shell.util_stop_systemd_unit('gsd-xsettings.target', 'fail');
+            try {
+                Shell.util_stop_systemd_unit('gsd-xsettings.target', 'fail');
+            } catch (e) {
+                log('Error stopping gsd-xsettings: %s'.format(e.message));
+            }
            IBusManager.getIBusManager().restartDaemon();
        });

@@ -1264,13 +1278,13 @@ var WindowManager = class {
    }

    _sizeChangeWindow(shellwm, actor, whichChange, oldFrameRect, _oldBufferRect) {
-        let types = [Meta.WindowType.NORMAL];
-        if (!this._shouldAnimateActor(actor, types)) {
-            shellwm.completed_size_change(actor);
-            return;
-        }
+        const types = [Meta.WindowType.NORMAL];
+        const shouldAnimate =
+            this._shouldAnimateActor(actor, types) &&
+            oldFrameRect.width > 0 &&
+            oldFrameRect.height > 0;

-        if (oldFrameRect.width > 0 && oldFrameRect.height > 0)
+        if (shouldAnimate)
            this._prepareAnimationInfo(shellwm, actor, oldFrameRect, whichChange);
        else
            shellwm.completed_size_change(actor);
@@ -1285,17 +1299,24 @@ var WindowManager = class {
        actorClone.set_position(oldFrameRect.x, oldFrameRect.y);
        actorClone.set_size(oldFrameRect.width, oldFrameRect.height);

-        if (this._clearAnimationInfo(actor))
+        actor.freeze();
+
+        if (this._clearAnimationInfo(actor)) {
+            log('Old animationInfo removed from actor %s'.format(actor));
            this._shellwm.completed_size_change(actor);
+        }

        let destroyId = actor.connect('destroy', () => {
            this._clearAnimationInfo(actor);
        });

        this._resizePending.add(actor);
-        actor.__animationInfo = { clone: actorClone,
-                                  oldRect: oldFrameRect,
-                                  destroyId };
+        actor.__animationInfo = {
+            clone: actorClone,
+            oldRect: oldFrameRect,
+            frozen: true,
+            destroyId,
+        };
    }

    _sizeChangedWindow(shellwm, actor) {
@@ -1348,13 +1369,17 @@ var WindowManager = class {
        // Now unfreeze actor updates, to get it to the new size.
        // It's important that we don't wait until the animation is completed to
        // do this, otherwise our scale will be applied to the old texture size.
-        shellwm.completed_size_change(actor);
+        actor.thaw();
+        actor.__animationInfo.frozen = false;
    }

    _clearAnimationInfo(actor) {
        if (actor.__animationInfo) {
            actor.__animationInfo.clone.destroy();
            actor.disconnect(actor.__animationInfo.destroyId);
+            if (actor.__animationInfo.frozen)
+                actor.thaw();
+
            delete actor.__animationInfo;
            return true;
        }
@@ -1369,10 +1394,13 @@ var WindowManager = class {
            actor.translation_x = 0;
            actor.translation_y = 0;
            this._clearAnimationInfo(actor);
+            this._shellwm.completed_size_change(actor);
        }

-        if (this._resizePending.delete(actor))
+        if (this._resizePending.delete(actor)) {
+            this._clearAnimationInfo(actor);
            this._shellwm.completed_size_change(actor);
+        }
    }

    _hasAttachedDialogs(window, ignoreWindow) {
@@ -2087,8 +2115,16 @@ var WindowManager = class {
            newWs = workspaceManager.get_workspace_by_index(workspaceManager.n_workspaces - 1);
        } else if (isNaN(target)) {
            // Prepend a new workspace dynamically
-            if (workspaceManager.get_active_workspace_index() == 0 &&
-                action == 'move' && target == 'up' && this._isWorkspacePrepended == false) {
+            let prependTarget;
+            if (vertical)
+                prependTarget = 'up';
+            else if (rtl)
+                prependTarget = 'right';
+            else
+                prependTarget = 'left';
+            if (workspaceManager.get_active_workspace_index() === 0 &&
+                action === 'move' && target === prependTarget &&
+                this._isWorkspacePrepended === false) {
                this.insertWorkspace(0);
                this._isWorkspacePrepended = true;
            }
--- a/Show More
+++ b/Show More
				`@@ -0,0 +1 @@`
				<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><path d="M6.5 1.031c-.371 0-.742-.035-1.11.016-.367.05-.73.203-.972.476-.125.141-.215.309-.266.485-.047.18-.054.367-.02.55.032.184.102.356.192.516.09.164.203.309.317.457L5 4H2a1.8 1.8 0 00-.41.035.791.791 0 00-.36.195.791.791 0 00-.195.36C1 4.723 1 4.863 1 5v2.75l.77-.344c.265-.117.542-.23.832-.242.289-.016.586.074.812.254.227.18.383.441.465.723.082.277.101.57.121.859.02.316.04.637-.016.95-.058.312-.199.616-.43.831a1.264 1.264 0 01-.874.32c-.317-.007-.618-.128-.91-.257L1 10.5V14c0 .137.004.277.035.41a.791.791 0 00.195.36c.098.097.227.16.36.195.133.035.273.035.41.035h3l-.328-.68c-.14-.293-.274-.597-.29-.922-.015-.32.095-.652.31-.894.214-.242.523-.39.84-.453.316-.067.644-.059.968-.059.324 0 .652-.008.969.059.316.062.625.21.84.453.214.242.324.574.308.894-.015.325-.148.63-.289.922L8 15h3a1.8 1.8 0 00.41-.035.791.791 0 00.36-.195.791.791 0 00.195-.36C12 14.277 12 14.137 12 14v-3.563l.703.297c.29.125.59.239.902.246.313.004.63-.101.864-.308.238-.203.386-.496.46-.8C15 9.565 15 9.25 15 8.937c0-.313 0-.63-.07-.934-.075-.305-.223-.598-.461-.8a1.288 1.288 0 00-.864-.31c-.312.008-.613.122-.902.247L12 7.437V5a1.8 1.8 0 00-.035-.41.791.791 0 00-.195-.36.791.791 0 00-.36-.195C11.277 4 11.137 4 11 4H8l.36-.469c.113-.148.226-.293.316-.457.09-.16.16-.332.191-.515a1.248 1.248 0 00-.02-.551 1.256 1.256 0 00-.265-.485c-.242-.273-.605-.425-.973-.476-.367-.05-.738-.016-1.109-.016zm0 0" fill="#474747"/></svg>
				`@@ -0,0 +1 @@`
				`install_subdir('hicolor', install_dir: icondir)`