* (bug 67042) Added support for the HTML5 <rtc> tag for East Asian typography.
* Upgrade Sinon.JS to 1.10.3.
* Added the es5-shim polyfill for older or non-compliant javascript engines.
+* Upgrade jQuery Cookie to v1.2.0.
=== Bug fixes in 1.24 ===
* (bug 49116) Footer copyright notice is now always displayed in user language
* Removed WikiPage::isBigDeletion(). (deprecated since 1.19)
* Removed MWInit class which contained functions related to a now discontinued
PHP compiler called hphpc. (deprecated since 1.22)
+* ApiResult::enableSizeCheck() and disableSizeCheck() are now obsolete.
+* Removed ResourceLoaderGetStartupModules hook. (deprecated since 1.23)
==== Renamed classes ====
* CLDRPluralRuleConverter_Expression to CLDRPluralRuleConverterExpression