* (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.
+* (bug 45069) wfParseUrl() no longer produces a PHP notice if passed a "mailto:"
+ URL without address
+* (bug 45012) Creating an account by e-mail can no longer show a
+ "password mismatch" error.
+* (bug 44599) On Special:Version, HEADs for submodule checkouts (e.g. for
+ extensions) performed using Git 1.7.8+ should now appear.
=== API changes in 1.21 ===
* prop=revisions can now report the contentmodel and contentformat.
iicontinue).
* Add supports for all pageset capabilities - generators, redirects, converttitles to
action=purge and action=setnotificationtimestamp.
+* (bug 43251) prop=pageprops&ppprop= now accepts multiple props to query.
+* ApiQueryImageInfo will now limit the number of calls to File::transform made
+ in any one query. If there are too many, iicontinue will be returned.
=== API internal changes in 1.21 ===
* For debugging only, a new global $wgDebugAPI removes many API restrictions when true.
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.
+* $wgAPIGeneratorModules is now obsolete and will be ignored.
+* Added flags ApiResult::OVERRIDE and ADD_ON_TOP to setElement() and addValue()
=== Languages updated in 1.21 ===