of page watchers required for the number to be accessible to users
without the unwatchedpages permission.
* $wgBug34832TransitionalRollback has been removed.
+* (bug 29472) $wgUseDynamicDates has been removed and its functionality
+ disabled.
=== New features in 1.21 ===
* (bug 38110) Schema changes (adding or dropping tables, indicies and
in MW 1.20 (saving preferences using Special:Preferences cleared any
additional fields) and which has been disabled in 1.20.1 as a part of
a security fix (bug 42202).
-* Added the ability to limit the wall clock time used by shell processes,
+* Added the ability to limit the wall clock time used by shell processes,
as well as the CPU time. Configurable with $wgMaxShellWallClockTime.
+* Allow memory of shell subprocesses to be limited using Linux cgroups
+ instead of ulimit -v, which tends to cause deadlocks in recent versions
+ of ImageMagick. Configurable with $wgShellCgroup.
+* Added $wgWhitelistReadRegexp for regex whitelisting.
+* (bug 5346) Categories that are redirects will be displayed italic in
+ the category links section at the bottom of a page.
+* (bug 43915) New maintenance script deleteEqualMessages.php.
+* New collation uppercase-sv, which is like uppercase, but adapted
+ to Swedish sort order.
+* WikiText now permits the use of WAI-ARIA's role="presentation" inside of
+ html elements and tables. This allows presentational markup, especially
+ tables. To be marked up as such.
=== Bug fixes in 1.21 ===
* (bug 40353) SpecialDoubleRedirect should support interwiki redirects.
* wfMerge() now works if $wgDiff3 contains spaces
* (bug 43052) mediawiki.action.view.dblClickEdit.dblClickEdit should trigger
ca-edit click instead opening URL directly.
+* (bug 43964) Invalid value of "link" parameter in <gallery> no longer produces
+ a fatal error.
+* (bug 44775) The username field is not pre-filled when creating an account.
=== API changes in 1.21 ===
* prop=revisions can now report the contentmodel and contentformat.
* (bug 43849) ApiQueryImageInfo no longer throws exceptions with ForeignDBRepo
redirects.
* On error, any warnings generated before that error will be shown in the result.
+* action=help suports generalized submodules (modules=query+value), querymodules obsolete
+* ApiQueryImageInfo continuation is more reliable. The only major change is
+ that the imagerepository property will no longer be set on page objects not
+ processed in the current query (i.e. non-images or those skipped due to
+ iicontinue).
+* Add supports for all pageset capabilities - generators, redirects, converttitles to
+ action=purge and action=setnotificationtimestamp.
=== API internal changes in 1.21 ===
* For debugging only, a new global $wgDebugAPI removes many API restrictions when true.
Never use on the production servers, as this flag introduces security holes.
Whenever enabled, a warning will also be added to all output.
+* ApiModuleManager now handles all submodules (actions,props,lists) and instantiation
+* Query stores prop/list/meta as submodules
+* ApiPageSet can now be used in any action to process titles/pageids/revids or any generator.
+* BREAKING CHANGE: ApiPageSet constructor now has two params instead of three, with only the
+ first one keeping its meaning. ApiPageSet is now derived from ApiBase.
+* BREAKING CHANGE: ApiQuery::newGenerator() and executeGeneratorModule() were deleted.
+* ApiQueryGeneratorBase::setGeneratorMode() now requires a pageset param.
=== Languages updated in 1.21 ===
as separators for thousands and decimals respectively.
=== Other changes in 1.21 ===
+* BREAKING CHANGE: (bug 44385) Removed the jquery.collapsibleTabs module and
+ moved it to the Vector extension. It was entirely Vector-extension-specific,
+ deeply interconnected with the extension, and this functionality really
+ belongs to the extension instead of the skin anyway. In the unlikely case you
+ were using it, you have to either copy it to your extension, or install the
+ Vector extension (and possibly disable its features using config settings if
+ you don't want them).
== Compatibility ==