* $wgAllowAsyncCopyUploads and $CopyUploadAsyncTimeout were removed. This was an
experimental feature that has never worked.
* $wgEnotifUseJobQ was removed and the job queue is always used.
+* The functionality of the ApiSandbox extension has been merged into core. The
+ extension should no longer be used.
=== New features in 1.27 ===
* $wgDataCenterUpdateStickTTL was also added. This decides how long a user