=== Configuration changes for system administrators in 1.34 ===
==== New configuration ====
-* …
+* $wgAllowExternalReqID (T201409) - This configuration setting controls whether
+ Mediawiki accepts the request ID set by the incoming request via the
+ `X-Request-Id` header. If set to `true`, that value will be used throughout
+ the code as the request identificator. Otherwise, the sent header will be
+ ignored and the request ID will either be taken from Apache's mod_unique
+ module or will be generated by Mediawiki itself (depending on the set-up).
==== Changed configuration ====
* …
* …
==== Removed external libraries ====
+* The jquery.async module, deprecated in 1.33, was removed.
* …
=== Bug fixes in 1.34 ===
* SearchEngine::transformSearchTerm(), deprecated in 1.32, has been removed.
* The Block typehint only refers to blocks stored in the database. It should be
updated to AbstractBlock in cases where any type of block could be expected.
+* FileRepoStatus, deprecated in 1.25, has been removed.
+* The LegacyHookPreAuthenticationProvider class, deprecated since its creation
+ in 1.27, has been removed.
* …
=== Deprecations in 1.34 ===