* The deprecated $wgEditEncoding variable has been removed; it was only used
for Esperanto language character conversion. You are now recommended to use
input methods provided by the UniversalLanguageSelector extension.
+* When $wgPingback is true, MediaWiki will periodically ping
+ https://www.mediawiki.org/beacon with basic information about the local
+ MediaWiki installation. This data includes, for example, the type of system,
+ PHP version, and chosen database backend. This behavior is off by default.
=== New features in 1.28 ===
* User::isBot() method for checking if an account is a bot role account.
* Added a new hook, 'UploadVerifyUpload', which can be used to reject a file
upload. Unlike 'UploadVerifyFile' it provides information about upload comment
and the file description page, but does not run for uploads to stash.
+* (T141604) Extensions can now provide a better error message when their
+ maintenance scripts are run without the extension being installed.
=== External library changes in 1.28 ===
=== Bug fixes in 1.28 ===
=== Action API changes in 1.28 ===
+* Added 'maxarticlesize' property to action=query&meta=siteinfo which contains
+ the value of $wgMaxArticleSize.
+* Property 'modulemessages' from action=parse&prop=modules was removed
+ (deprecated since 1.26).
+* The following response properties from action=login, deprecated in 1.27, are
+ now removed: lgtoken, cookieprefix, sessionid. Clients should handle cookies
+ to properly manage session state.
=== Action API internal changes in 1.28 ===
* Added a new hook, 'ApiMakeParserOptions', to allow extensions to better
* The 'UserLoginComplete' hook has a new parameter to differentiate between actual
login and visiting the login page while already logged in.
* ResourceLoader::makeLoaderURL() was removed (deprecated since 1.24).
+* $.fn.liveAndTestAtStart was removed (deprecated since 1.24).
+* Linker::link() and Linker::linkKnown() were deprecated; please instead use
+ MediaWiki\Linker\LinkRenderer. In addition, the LinkBegin and LinkEnd hooks
+ were replaced by HtmlPageLinkRendererBegin and HtmlPageLinkRendererEnd
+ respectively. See docs/hooks.txt for the specific changes needed for those hooks.
+* Aliases for Linker methods, deprecated since 1.21, were removed from Skin:
+ * Skin::commentBlock() (use Linker::commentBlock() instead)
+ * Skin::generateRollback() (use Linker::generateRollback() instead)
+ * Skin::link() (use MediaWiki\Linker\LinkRenderer instead)
+ * Skin::linkKnown() (use MediaWiki\Linker\LinkRenderer instead)
+ * Skin::userLink() (use Linker::userLink() instead)
+ * Skin::userToolLinks() (use Linker::userToolLinks() instead)
+* The 'ParserLimitReportFormat' hook was removed.
+* Disabled "bug 2702" HTML tidying of parsed UI messages on wikis where Tidy is
+ disabled.
+* DifferenceEngine::generateDiffBody() was removed (deprecated since 1.21).
+* UploadBase::stashFileGetKey() and UploadBase::stashSession() were deprecated.
+ Use ...->stashFile()->getFileKey() instead.
== Compatibility ==