+* MessageBlobStore::getBlob(), deprecated in 1.27, has been removed.
+ Use ::getBlobs() instead.
+* The .background-size() LESS mixin, deprecated in 1.27, has been removed.
+* ReadOnlyMode::clearCache() and ConfiguredReadOnlyMode::clearCache() have been
+ removed. Use MediaWikiTestCase::overrideMwServices() instead.