difference engine to use. MediaWiki continues to default to automatically
choosing the first of $wgExternalDiffEngine, wikidiff2, or php that is
usable.
+* (T231866) SqlBlobStore no longer needs Language object.
+* (T236735) WikiExporter: Remove unnecessary check for SCHEMA_COMPAT_WRITE_OLD
+ flag.
+* (T231673) Set MCR migration stage to SCHEMA_COMPAT_NEW.
== MediaWiki 1.34.0-rc.1 ==
redirects in their userspace unless the target of the redirect is also in
their userspace. By default, this right is given to everyone.
* (T226733) Add rate limiter to Special:ConfirmEmail.
+* $wgDiffEngine (T237049) – This configuration can be used to specify which
+ difference engine to use. MediaWiki continues to default to automatically
+ choosing the first of $wgExternalDiffEngine, wikidiff2, or php that is
+ usable.
==== Changed configuration ====
* $wgUseCdn, $wgCdnServers, $wgCdnServersNoPurge, and $wgCdnMaxAge – These four