diff --git a/NEWS b/NEWS
index a3ac53c43..12032e7e5 100644
--- a/NEWS
+++ b/NEWS
@@ -44,6 +44,14 @@ What's new in Sudo 1.8.17
 
  * Korean translation for sudo and sudoers from translationproject.org.
 
+ * Fixed a bug on AIX where the stack size hard resource limit was
+   being set to 2GB instead of 4GB on 64-bit systems.
+
+ * The SSSD backend now properly supports "sudo -U otheruser -l".
+
+ * The SSSD backend now uses the value of "ipa_hostname"
+   from sssd.conf, if specified, when matching the host name.
+
 What's new in Sudo 1.8.16
 
  * Fixed a compilation error on Solaris 10 with Stun Studio 12.