to add fields to Special:Mute.
* (T100896) Skin authors can define custom OOUI themes using OOUIThemePaths.
See <https://www.mediawiki.org/wiki/OOUI/Themes> for details.
-* The HtmlCacheUpdater service was added to unify the logic of purging CDN cache
- and HTML file cache to simplify callers and make them more consistent.
=== External library changes in 1.34 ===
* SearchEngine::textAlreadyUpdatedForIndex() is deprecated, given the
deprecation above this method is no longer needed/called and should not be
implemented by SearchEngine implementation.
-* Title::purgeSquid is deprecated. Use MediaWikiServices::getHtmlCacheUpdater.
=== Other changes in 1.34 ===
* …