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.
+* Added $wgWhitelistReadRegexp for regex whitelisting
=== 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.
=== API changes in 1.21 ===
* prop=revisions can now report the contentmodel and contentformat.
* BREAKING CHANGE: '??_badcontinue' error code was changed to '??badcontinue'
for all query modules.
* ApiQueryBase adds 'badcontinue' error code if module has 'continue' parameter.
+* (bug 35885) Removed version parameter and all getVersion() methods.
+* action=options now takes a "resetkinds" option, which allows only resetting
+ certain types of preferences when the "reset" option is set.
+* (bug 36751) ApiQueryImageInfo now returns imageinfo for the redirect target
+ when queried with &redirects=.
+* (bug 31849) ApiQueryImageInfo no longer gets confused when asked for info on
+ a redirect and its target.
+* (bug 43849) ApiQueryImageInfo no longer throws exceptions with ForeignDBRepo
+ redirects.
+* On error, any warnings generated before that error will be shown in the result.
+
+=== 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.
=== Languages updated in 1.21 ===