preview from the edit page.
* Added EditPage::showStandardInputs:options hook to allow extensions to add
new fields to the "editOptions" area of the edit form.
+* Upload stash DB schema altered to improve upload performance.
+* The following global functions are now reporting deprecated warnings in
+ debug mode: wfMsg, wfMsgNoTrans, wfMsgForContent, wfMsgForContentNoTrans,
+ wfMsgReal, wfMsgGetKey, wfMsgHtml, wfMsgWikiHtml, wfMsgExt, wfEmptyMsg. Use
+ the Message class, or the global method wfMessage.
+* Debug message emitted by wfDebugLog() will now be prefixed with the group
+ name when its logged to the default log file. That is the case whenever the
+ group has no key in wgDebugLogGroups, that will help triage the default log.
+* (bug 24620) Add types to LogFormatter.
+* jQuery JSON upgraded from 2.3 to 2.4.0.
=== Bug fixes in 1.21 ===
* (bug 40353) SpecialDoubleRedirect should support interwiki redirects.
* (bug 40111) Disable minor edit for page/section creation by API.
* (bug 41042) Revert change to action=parse&page=... behavior when the page
does not exist.
+* (bug 27202) Add timestamp sort to list=allimages.
=== Languages updated in 1.21 ===