* $wgEnableSpecialMute (T218265) - This configuration controls whether
Special:Mute is available and whether to include a link to it on emails
originating from Special:Email.
+* editmyuserjsredirect user right – users without this right now cannot edit JS
+ redirects in their userspace unless the target of the redirect is also in
+ their userspace. By default, this right is given to everyone.
==== Changed configuration ====
* $wgUseCdn, $wgCdnServers, $wgCdnServersNoPurge, and $wgCdnMaxAge – These four
of headers in private wikis.
* Language::formatTimePeriod now supports the new 'avoidhours' option to output
strings like "5 days ago" instead of "5 days 13 hours ago".
+* (T220163) Added SpecialMuteModifyFormFields hook to allow extensions
+ to add fields to Special:Mute.
=== External library changes in 1.34 ===
deprecated since 1.33.
* The static properties mw.Api.errors and mw.Api.warnings, deprecated in 1.29,
have been removed.
+* The UploadVerification hook, deprecated in 1.28, has been removed. Instead,
+ use the UploadVerifyFile hook.
+* UploadBase:: and UploadFromChunks::stashFileGetKey() and stashSession(),
+ deprecated in 1.28, have been removed. Instead, please use the getFileKey()
+ method on the response from doStashFile().
* …
=== Deprecations in 1.34 ===