+* The configuration option $wgUseESI has been deprecated, and is expected
+ to be removed in a future release.
+* The configuration option $wgSquidPurgeUseHostHeader has been deprecated,
+ and is expected to be removed in a future release.
+* The configuration options $wgFixArabicUnicode and $wgFixMalayalamUnicode,
+ introduced in MW 1.17, have been deprecated. These fixes will always be
+ applied for Arabic and Malayalam in the future. Please enable these on
+ your local wiki (if you have them explicitly set to false) and run
+ maintenance/cleanupTitles.php to fix any existing page titles.
+* The LegacyHookPreAuthenticationProvider class, deprecated since its creation
+ in 1.27 as part of the AuthManager re-write, now emits deprecation warnings.
+ This will help identify the issue if you added it to $wgAuthManagerConfig.
+* wfSplitWikiId() is now deprecated. Cache key generation should have the wiki
+ domain ID as a key component and use makeGlobalKey().