* $wgPopularPasswordFile — The location of the default popular passwords file
has been moved to be in line with other non-PHP files used by libraries and
classes.
+* $wgEnableImageWhitelist is now disabled by default, as it opens up a hole for
+ potential privacy leaks by administrators. You can check
+ "MediaWiki:External image whitelist" on your wiki to see whether the feature
+ was ever used, and whether it needs to be re-enabled.
==== Removed configuration ====
* $wgEnableAPI and $wgEnableWriteAPI – These settings, deprecated in 1.31,