THIS IS NOT A RELEASE YET
-MediaWiki 1.33 is an alpha-quality branch and is not recommended for use in
-production.
+MediaWiki 1.33 is a pre-release testing branch, and is not recommended for use
+in production.
== Upgrading notes for 1.33 ==
1.33 has several database changes since 1.32, and will not work without schema
For notes on 1.32.x and older releases, see HISTORY.
=== Configuration changes for system administrators in 1.33 ===
+
==== New configuration ====
* $wgEnablePartialBlocks – This enables the Partial Blocks feature, which gives
accounts with block permissions the ability to block users, IPs, and IP ranges
associated with this entry in the patrol log.
=== External library changes in 1.33 ===
+
==== New external libraries ====
* Added wikimedia/password-blacklist 0.1.4.
* Added guzzlehttp/guzzle 6.3.3.
* 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.
=== Deprecations in 1.33 ===
* The configuration option $wgUseESI has been deprecated, and is expected
* Block::isValid is deprecated, since it is no longer needed in core.
* Calling Maintenance::hasArg() as well as Maintenance::getArg() with no
parameter has been deprecated. Please pass the argument number 0.
+* ResourceLoaderContext::expandModuleNames has been deprecated.
+ Use ResourceLoader::expandModuleNames instead.
=== Other changes in 1.33 ===
* (T201747) Html::openElement() warns if given an element name with a space