* BagOStuff::modifySimpleRelayEvent() method has been removed.
* ParserOutput::getLegacyOptions, deprecated in 1.30, has been removed.
Use ParserOutput::allCacheVaryingOptions instead.
+* CdnCacheUpdate::newSimplePurge, deprecated in 1.27, has been removed.
+ Use CdnCacheUpdate::newFromTitles() instead.
=== Deprecations in 1.33 ===
* The configuration option $wgUseESI has been deprecated, and is expected
* The implementation of buildStringCast() in Wikimedia\Rdbms\Database has
changed to explicitly cast. Subclasses relying on the base-class
implementation should check whether they need to override it now.
+* BagOStuff::add is now abstract and must explicitly be defined in subclasses.
== Compatibility ==
MediaWiki 1.33 requires PHP 7.0.13 or later. Although HHVM 3.18.5 or later is