argon2 to be used, by default, it will automatically choose the best available
algorithm depending on which version of PHP you have available. To use this,
you can set `$wgPasswordDefault = 'argon2';`.
+* $wgActorTableSchemaMigrationStage now defaults to reading the new schema.
+ update.php will back-populate the new database fields due to the changed
+ setting, which may take some time on large wikis. You can avoid downtime by
+ following a process like that described in T188327.
==== Removed configuration ====
* $wgTagStatisticsNewTable (T199334) — This temporary setting, added in
if entirewatchlist is set, so updates may not be visible immediately
* Block info will be added to "blocked" errors from more modules.
* (T216245) Autoblocks will now be spread by action=edit and action=move.
+* action=query&meta=userinfo has a new uiprop, 'latestcontrib', that returns
+ the date of user's latest contribution.
=== Action API internal changes in 1.33 ===
* A number of deprecated methods for API documentation, intended for overriding
to page updates: LinksUpdateConstructed, LinksUpdate, LinksUpdateComplete.
LinksUpdateAfterInsert is not triggered since deletions do not cause
insertions into links tables.
+* Category::newFromID( $id )->getID() will now return $id without any
+ validation, to avoid a mostly unnecessary DB query.
+* On Special:Version, the name for an extension can no longer be arbitrary
+ html when no link is specified.
== Compatibility ==
MediaWiki 1.33 requires PHP 7.0.13 or later. Although HHVM 3.18.5 or later is