The bind constraint that replaced the Shell.GenericContainer in commit f4682748faf4 is subtly different from the previous code: It forces the actor to have the same size as the stage, rather than just requesting that size. This breaks the magnifier which relies on the UI being able to be bigger than the display size. Fix by going back to using a custom actor. https://gitlab.gnome.org/GNOME/gnome-shell/issues/646
GNOME Shell
GNOME Shell provides core user interface functions for the GNOME 3 desktop, like switching to windows and launching applications. GNOME Shell takes advantage of the capabilities of modern graphics hardware and introduces innovative user interface concepts to provide a visually attractive and easy to use experience.
For more information about GNOME Shell, including instructions on how to build GNOME Shell from source and how to get involved with the project, see the project wiki.
Bugs should be reported to the GNOME bug tracking system.
Contributing
To contribute, open merge requests at https://gitlab.gnome.org/GNOME/gnome-shell.
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License
GNOME Shell is distributed under the terms of the GNU General Public License, version 2 or later. See the COPYING file for details.