* …
=== Bug fixes in 1.34 ===
-* …
+* (T222529) If a log entry or page revision is recorded in the database with an
+ empty username, attempting to display it will log an error and return a "no
+ username available" to the user instead of silently displaying nothing or
+ invalid links.
=== Action API changes in 1.34 ===
* The 'recenteditcount' response property from action=query list=allusers,
* wfArrayFilter() and wfArrayFilterByKey(), deprecated in 1.32, have been
removed.
* wfMakeUrlIndexes() function, deprecated in 1.33, have been removed.
+* Method signatures in WatchedItemQueryServiceExtension have changed from taking
+ User objects to taking UserIdentity objects. Extensions implementing this
+ interface need to be changed accordingly.
* User::getGroupPage() and ::makeGroupLinkHTML(), deprecated in 1.29, have been
removed. Use UserGroupMembership::getGroupPage and ::getLink instead.
* User::makeGroupLinkWiki(), deprecated in 1.29, has been removed. Use
UserGroupMembership::getLink() instead.
+* SavepointPostgres, deprecated in 1.31, has been removed.
* …
=== Deprecations in 1.34 ===
MultiHttpClient directly.
* Http::$httpEngine is deprecated and has no replacement. The default 'guzzle'
engine will eventually be made the only engine for HTTP requests.
+* RepoGroup::singleton(), RepoGroup::destroySingleton(),
+ RepoGroup::setSingleton(), wfFindFile(), and wfLocalFile() are all
+ deprecated. Use MediaWikiServices instead.
+* The getSubjectPage, getTalkPage, and getOtherPage of Title are deprecated.
+ Use NamespaceInfo's getSubjectPage, getTalkPage, and getAssociatedPage.
=== Other changes in 1.34 ===
* …