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Change notes from older releases. For current info see RELEASE-NOTES-1.25.
== MediaWiki 1.24 ==
=== Configuration changes in 1.24 ===
* MediaWiki will no longer run if register_globals is enabled. It has been
deprecated for 5 years now, and was removed in PHP 5.4. For more information
about why, see <https://www.mediawiki.org/wiki/register_globals>.
* MediaWiki now requires PHP's iconv extension. openSUSE users may need to
install the php5-iconv package. Users of other systems may need to add
extension=iconv.so to php.ini or recompile PHP without --without-iconv.
* MediaWiki will no longer function if magic quotes are enabled. It has
been deprecated for 5 years now, and was removed in PHP 5.4.
* The server's canonical hostname is available as $wgServerName, which is
exposed in both mw.config and ApiQuerySiteInfo.
* Introduced $wgPagePropsHaveSortkey as a backwards-compatibility switch,
for using the old schema of the page_props table, in case the respective
schema update was not applied.
* $wgSearchEverythingOnlyLoggedIn was removed as the 'searcheverything'
user option was removed. Use $wgNamespacesToBeSearchedDefault instead or
if you used to have $wgDefaultUserOptions['searcheverything'] = 1.
* $wgMasterWaitTimeout has been deprecated.
* $wgDBClusterTimeout has been removed.
* $wgProxyKey has been removed. It is no longer used by MediaWiki core.
Ensure $wgSecretKey is set in LocalSettings.php.
* $wgExtraInterlanguageLinkPrefixes is a new configuration variable that
contains an array of interwiki prefixes that should be treated as language
prefixes (i.e. turned into interlanguage links when $wgInterwikiMagic is set
to true).
* $wgParserTestRemote has been removed.
* $wgCountTotalSearchHits has been removed. If you're concerned about efficiency
of search, you should use something like CirrusSearch instead of built in
search.
* Users in the 'sysop' group have access to Special:MergeHistory by default.
* $wgFileStore was removed after having been deprecated in 1.17. Alternative
configurations are $wgDeletedDirectory and $wgHashedUploadDirectory.
* The deprecated $wgUseCommaCount variable has been removed.
* $wgEnableSorbs and $wgSorbsUrl have been removed.
* The UserCryptPassword and UserComparePassword hooks are no longer called.
Any extensions using them must be updated to use the Password Hashing API.
* $wgCompiledFiles has been removed.
* $wgSortSpecialPages was removed, the listing on Special:SpecialPages is
now always sorted.
* $wgSpecialPages may now use callback functions as an alternative to plain class names.
This allows more control over constructor parameters.
* $wgHTCPMulticastAddress, $wgHTCPMulticastRouting and $wgHTCPPort were removed.
* $wgRC2UDPAddress, $wgRC2UDPInterwikiPrefix, $wgRC2UDPOmitBots, $wgRC2UDPPort
and $wgRC2UDPPrefix have been removed.
* The default password type for MediaWiki has been changed from MD5 to PBKDF2.
Password hashes will automatically be updated as users log in. If necessary, the
old MD5 hashing can be restored by changing $wgPasswordDefault to 'B'. In addition,
there is a maintenance script wrapOldPassword.php that can wrap all passwords in
PBKDF2 (or the hashing algorithm of your choice) if you don't want to wait for your
users to log in.
* $wgImportSources can now either be a regular array, or an associative map
specifying subprojects on the interwiki map of the target wiki, or a mix of
the two. Existing configurations will still work.
* Users must be able to edit through a page's protection to be able to delete it.
* The default thumb size ($wgDefaultUserOptions['thumbsize']) is now 300px, up from
180px. If you have altered the number of entries in $wgThumbLimits for your wiki, you
may need to adjust your default user settings to compensate for the index change.
* $wgDeferredUpdateList is now deprecated, you should use DeferredUpdates::addUpdate()
instead.
* $wgCanonicalLanguageLinks has been removed. Per Google recommendations, we
will not send a rel=canonical pointing to a variant-neutral page, however
we will send rel=alternate.
* $wgResourceLoaderLESSFunctions has been deprecated and will be removed in the future.
* $wgGoToEdit has been removed. Use the SpecialSearchNogomatch hook for similar
functionality.
=== New features in 1.24 ===
* Added new hook WatchlistEditorBeforeFormRender, allowing subscribers to
manipulate the list of pages and/or preload lots of data at once.
* Added new argument &$link in hook WatchlistEditorBuildRemoveLine, allowing the
link to the title to be changed.
* Added a new hook, "WhatLinksHereProps", to allow extensions to annotate
WhatLinksHere entries.
* Added a new hook, "ContentGetParserOutput", to customize parser output for
a given content object.
* Deprecated the hook "ShowRawCssJs", use "ContentGetParserOutput" instead.
* HTMLForm's HTMLTextField now supports the 'url' type.
* HTMLForm fields may now be dynamically hidden based on the values of other
fields in the form.
* HTMLForm now supports multiple copies of an input field or set of input
fields, e.g. the form may request "one or more usernames" without having to
have the user enter delimited list of names into a text field.
* Added a new hook, "SidebarBeforeOutput", to allow to edit the structure of
the sidebar just before its display.
* (bug 49156) Added the mediawiki.cookie ResourceLoader module, which wraps
jquery.cookie so that getting/setting a cookie is syntactically and
functionally similar to using the WebRequest::getCookie() and
WebResponse::setcookie() methods.
* (bug 44740) jQuery upgraded from 1.8.3 to 1.11.1. A new configuration option,
$wgIncludejQueryMigrate, also loads the jQuery Migrate hack to let extensions
and gadgets use the long-deprecated functions that were removed in jQuery 1.9.
This option is turned off by default, and will be removed in MediaWiki 1.25.
* (bug 47076) jQuery UI upgraded from 1.8.24 to 1.9.2.
* Changes to content typography (fonts, etc.). See
https://www.mediawiki.org/wiki/Typography_refresh for further information.
* WikitextContent will now render redirects with the expected "redirect"
header, rather than as an ordered list. Code calling Article::viewRedirect
can probably be changed to no longer special-case redirects.
* Header font set to a serif font stack. See
https://www.mediawiki.org/wiki/Typography_refresh for further information.
* (bug 65567) Added a new hook, "BeforeHttpsRedirect", to allow cancellation of
the HTTP to HTTPS redirect due to forceHTTPS cookie, userRequires, etc. This
is only for page views, since this hook doesn't affect UserLogin, OAuth,
CentralAuth, etc. ATTENTION: This hook is likely to be removed soon due to
overall design of the system.
* (bug 17367) It is now possible to add pages to your watchlist from
Special:UnwatchedPages without reloading the special page.
* New methods setVolatile and isVolatile are added to PPFrame, so that
extensions such as Cite.php can mark that their output is volatile and
shouldn't be cached.
* (bug 52817) Advanced search options are now saved on the search page itself,
rather than in a dedicated pane in the preferences panel.
* (bug 44591) The dropdown actions menu (little triangle next to page tabs) in
the Vector skin has gained a label that should make it more discoverable.
* MWCryptHKDF added for fast, cryptographically secure random number generation
that won't deplete openssl's entropy pool.
* ResourceLoader: File modules can now provide a skip function that uses an
inline feature test to bypass loading of the module.
* (bug 20210) Special pages may now provide autocompletion of their subpage
names in search suggestions. Right now the only useful implementation is in
Special:Log, but more are to come.
* Special:MostLinkedTemplates is no longer limited to transclusions from the
Template namespace.
* Skins can now use 'remoteSkinPath' when defining ResourceLoader modules.
This works the same as 'remoteExtPath' but is relative to the skins/ folder
instead of the extensions/ folder.
* Added the json2.js polyfill for the ES5 JSON.stringify and JSON.parse methods.
Exposed as module "json" with a skip function to optimise loading.
* Extensions and skins may now use 'namemsg' in $wgExtensionCredits in addition
to 'name', to allow for the name to be localizable. 'name' should still be
specified for backwards-compatibility and to define the path Special:Version
uses to find extension license information.
* Browser tests are now included to verify basic wiki functionality in developer
environments. For details on running tests, see tests/browser/README.mediawiki.
* Upgrade jStorage to v0.4.10.
* {{!}} is now a magic word that produces the | character. This removes the need
for Template:! for purposes such as passing pipes inside of parameters.
* (bug 20790) The block log snippet on Special:Contributions and while
editing user and user talk pages now works for IP range blocks.
* (bug 9360) Added ability to change the page language for MediaWiki pages using
Special:PageLanguage. All pages are set to wiki language by default.
The feature needs to be enabled with $wgPageLanguageUseDB=true and
permission needs to be set for 'pagelang'.
* Upgrade Moment.js to v2.8.3.
* (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 v1.3.1.
* (bug 20476) Add a "viewsuppressed" user right to be able to view
suppressed content but not suppress it ("suppressrevision" right).
* (bug 66440) The MediaWiki web installer will now allow you to choose the skins
to enable (from the ones included in download tarball) and decide which one
should be the default.
* (bug 68085, 68802) Links like [[localInterwikiPrefix:languageCode:pageTitle]],
where localInterwikiPrefix is a member of the $wgLocalInterwikis array, will
no longer be displayed in the sidebar when $wgInterwikiMagic is true. In a
similar way, links like [[localInterwikiPrefix:File:Image.png]] and
[[localInterwikiPrefix:Category:Hello]] will now render as regular links, and
will not include the file or add the page to the category.
* New special page, MyLanguage, to redirect users to subpages with localised
versions of a page. (Integrated from Extension:Translate)
* MediaWiki now supports multiple password types, including bcrypt and PBKDF2.
The default type can be changed with $wgPasswordDefault and the type
configurations can be changed with $wgPasswordConfig.
* Skins can now define custom styles for default ResourceLoader modules using
the $wgResourceModuleSkinStyles global. See the Vector skin for examples.
* (bug 4488) There is now a preference to watch pages where the user has
rollbacked an edit by default.
* (bug 15484) Users will now be redirected to the login page when they need to
log in, rather than being shown a page asking them to log in and having to click
another link to actually get to the login page.
* A JsonContent and JsonContentHandler were added for extensions to extend.
* (bug 35045) Redirects to sections will now update the URL in browser's address
bar using the HTML5 History API. When [[Dog]] redirects to [[Animals#Dog]],
the user will now see "Animals#Dog" in their browser instead of "Dog#Dog".
* API token handling has been rewritten. Any API module using tokens will need
to be updated. See the entry below under "Action API internal changes".
* Added HTMLAutoCompleteSelectField.
* Added a new hook, "SkinPreloadExistence", to allow extensions to add titles to
link existence cache before the page is rendered.
* Config::set() was moved to its own interface, MutableConfig. GlobalVarConfig::set()
is now deprecated, does not implement MutableConfig.
* A MutableConfig named HashConfig was added, that stores an array of configuration
settings.
* (bug 69418) A MultiConfig implementation was added that supports fallback
to multiple Config instances.
* Update CSSJanus to v1.1.0.
* Added FormatJson::parse() returning status with result or localized error message
* Added DeletedContribsPager::reallyDoQuery hook allowing extensions to data to
Special:DeletedContributions
* Added DeletedContributionsLineEnding hook allowing extensions to format
Special:DeletedContributions lines
=== Bug fixes in 1.24 ===
* (bug 50572) MediaWiki:Blockip should support gender
* (bug 49116) Footer copyright notice is now always displayed in user language
rather than content language (same as copyright notice for editing interface).
* (bug 62258) A bug was fixed in File::getUnscaledThumb when a height
restriction was present in the parameters. Images with both the "frame"
option and a size specification set will now always ignore the provided
size and display an unscaled image, as the documentation has always
claimed it would.
* (bug 39035) Improved Vector skin performance by removing collapsibleNav,
which used to collapse some sidebar elements by default.
This removes -list id suffixes like p-lang-list: instead of using things like
#p-lang-list, you can do #p-lang .body ul.
* (bug 890) Links in Special:RecentChanges and Special:Watchlist no longer
follow redirects to their target pages.
* Parser now dies early if called recursively, instead of producing subtle bugs.
* (bug 14323) Redirect pages, when viewed with redirect=no, no longer hide the
remaining page content.
* (bug 52587) Maintenance script deleteBatch.php no longer follows redirects
in the file namespace and delete the file on the target page. It will still
however delete the redirect page.
* (bug 22683) {{msgnw:}} and other uses of PPFrame::RECOVER_ORIG will correctly
recover the original code of extension tags.
* (bug 65757) MSSQL: Update script drops unnamed constraints to be prepared
for future updates. Because it's doing so heuristically, it may fail or drop
wrong constraints.
* (bug 67870) wfShellExec() cuts off stdout at multiples of 8192 bytes.
* $wgRunJobsAsync now works with private wikis (e.g. read requires login).
* (bugs 57238, 65206) Blank pages can now be directly created.
* (bug 69789) Title::getContentModel() now loads from the database when
necessary instead of incorrectly returning the default content model.
* (bug 69249) wfBaseConvert() now works around PHP Bug #50175 when using GMP.
* (bug 57909) URLs in the externallinks table will no longer have certain
characters decoded in the query string.
* (bug 67368) LESS mixins like .background-image() correctly flip image
references for RTL stylesheets now.
=== Action API changes in 1.24 ===
* action=parse API now supports prop=modules, which provides the list of
ResourceLoader modules that should be used to enhance the parsed content.
* action=query&meta=siteinfo&siprop=interwikimap returns a new "protorel"
field which is true if protocol-relative urls can be used to access
a particular interwiki map entry.
* list=logevents now provides logpage, which is the page ID from the
logging table, if ids are requested and the user has the permissions.
* action=edit now requires that appendtext, prependtext, or section=new be used
when using the 'redirect' parameter, to prevent clients accidentally
overwriting the target page with the content of the redirect.
* list=logevents will now return an error if both letitle and leprefix are
specified.
* list=logevents has a new parameter, lenamespace, to allow filtering by
namespace.
* action=expandtemplates has a new parameter, prop, and a new output format.
The old format is still used if prop isn't provided, but this is deprecated.
* meta=userinfo can now return the count of unread pages on the watchlist.
* list=watchlist can now filter by unread status.
* The deprecated action=parse&prop=languageshtml has been removed.
* (bug 48071) action=setnotificationtimestamp no longer throws PHP or database
errors when no pages are given.
* (bug 60734) Actions that use ApiPageSet (e.g. purge, watch,
setnotificationtimestamp) will now include continuation information when
using a generator.
* Removed 'props' and 'errors' from action=paraminfo, as they have extremely
limited use and are generally inaccurate, unmaintained, and impossible to
properly maintain.
* Formats dbg, dump, txt, wddx, and yaml are now deprecated.
* action=paraminfo now indicates when a parameter is specifying a submodule.
* The iwurl parameter to prop=iwlinks is deprecated in favor of iwprop=url, for
parallelism with prop=langlinks.
* All tokens should be fetched from action=query&meta=tokens; all other methods
of fetching tokens are deprecated. The value needed for meta=tokens's 'type'
parameter for each module is documented in the action=help output and is
returned from action=paraminfo.
* New action ClearHasMsg that can be used to clear HasMsg flag.
* The cmstartsortkey and cmendsortkey parameters to list=categorymembers are
deprecated in favor of cmstarthexsortkey and cmendhexsortkey.
* (bug 63326) Add blockedtimestamp field to output of blockinfo property for
the list=allusers and list=users modules.
* prop=imageinfo no longer requires iiurlwidth to be set when using iiurlparam.
* Added prop=linkshere, prop=fileusage, and prop=transcludedin, which are
roughly equivalent to list=backlinks, list=imageusage, and list=embeddedin
but can work on a list of titles (including titles from a generator).
* prop=redirects can now filter returned redirects by namespace.
=== Action API internal changes in 1.24 ===
* Methods for handling continuation are added to ApiResult, so actions other
than query that use generators can easily support continuation.
* $wgAPIModules (and the related $wgAPIFormatModules, $wgAPIMetaModules,
$wgAPIPropModules, and $wgAPIListModules settings) now allow API modules
to be specified using a "module spec" array instead of a plain class name.
A "module spec" is an associative array containing at least the 'class' key
for the module's class, and optionally a 'factory' key for the factory function
to use for the module. This is intended for extensions that want control over
the instantiation of their API modules, to allow for proper dependency
injection.
* A new param type 'submodule' is available. Parameters of this type will take
the list of valid values from the module's ApiModuleManager for the group
corresponding to the parameter name.
* The 'APIGetPossibleErrors' and 'APIGetResultProperties' hooks are no longer used.
* API token handling has been rewritten. Any API module using tokens will need
to be updated:
* ApiBase::needsToken now returns a token type instead of boolean true when a
token is needed. Returning true will throw an exception. See documentation
of that method for details.
* Information for the 'token' parameter is automatically set by ApiBase
getFinalParams and getFinalParamDescription.
* ApiBase::getTokenSalt has been removed.
* The hooks APIQueryInfoTokens, APIQueryRevisionsTokens,
APIQueryRecentChangesTokens, APIQueryUsersTokens, and
ApiTokensGetTokenTypes are deprecated, but are still called to support
backwards-compatible token access.
* ApiBase::validateLimit and ApiBase::validateTimestamp are now protected.
* ApiQueryRedirects was removed; prop=redirects is now implemented by
ApiQueryBacklinksProp along with the newly-added prop modules.
* The following methods have been deprecated and may be removed in a future
release:
* ApiBase::getResultProperties
* ApiBase::getFinalResultProperties
* ApiBase::addTokenProperties
* ApiBase::getRequireOnlyOneParameterErrorMessages
* ApiBase::getRequireMaxOneParameterErrorMessages
* ApiBase::getRequireAtLeastOneParameterErrorMessages
* ApiBase::getTitleOrPageIdErrorMessage
* ApiBase::getPossibleErrors
* ApiBase::getFinalPossibleErrors
* ApiBase::parseErrors
* ApiQuery::setGeneratorContinue
* ApiQueryBase::checkRowCount
* ApiQueryBase::titleToKey
* ApiQueryBase::keyToTitle
* ApiQueryBase::keyPartToTitle
* ApiQueryInfo::getTokenFunctions
* ApiQueryInfo::resetTokenCache
* ApiQueryInfo::getEditToken
* ApiQueryInfo::getDeleteToken
* ApiQueryInfo::getProtectToken
* ApiQueryInfo::getMoveToken
* ApiQueryInfo::getBlockToken
* ApiQueryInfo::getUnblockToken
* ApiQueryInfo::getEmailToken
* ApiQueryInfo::getImportToken
* ApiQueryInfo::getWatchToken
* ApiQueryInfo::getOptionsToken
* ApiQueryRecentChanges::getTokenFunctions
* ApiQueryRecentChanges::getPatrolToken
* ApiQueryRevisions::getTokenFunctions
* ApiQueryRevisions::getRollbackToken
* ApiQueryUsers::getTokenFunctions
* ApiQueryUsers::getUserrightsToken
* The following classes have been deprecated and may be removed in a future
release:
* ApiFormatDbg
* ApiFormatDump
* ApiFormatTxt
* ApiFormatWddx
* ApiFormatYaml
* ApiTokens
* The following class constants have been deprecated and may be removed in a
future release:
* ApiBase::PROP_ROOT
* ApiBase::PROP_LIST
* ApiBase::PROP_TYPE
* ApiBase::PROP_NULLABLE
=== Languages updated in 1.24 ===
MediaWiki supports over 350 languages. Many localisations are updated
regularly. Below only new and removed languages are listed, as well as
changes to languages because of Bugzilla reports.
=== Other changes in 1.24 ===
* The deprecated jquery.delayedBind ResourceLoader module was removed.
* The deprecated function mw.util.toggleToc was removed.
* The Special:Search hooks SpecialSearchGo and SpecialSearchResultsAppend
were removed as they were unused.
* (bug 65477) User::pingLimiter() now has an additional profile point varying
by action being used.
* mediawiki.util.$content no longer supports old versions of the Vector,
Monobook, Modern and CologneBlue skins that don't yet implement the "mw-body"
and/or "mw-body-primary" class name in their html.
* Added pp_sortkey column to page_props table, so pages can be efficiently
queried and sorted by property value (bug 58032).
See $wgPagePropsHaveSortkey if you want to postpone the schema change.
* BREAKING CHANGE: All four built-in MediaWiki skins (Vector, MonoBook, Modern
and Cologne Blue) were moved out of MediaWiki core to their own respective
repositories. They will be installed with the release tarball, but you must
install them separately if installing MediaWiki from source code. A warning
message displayed until you do it should guide you through the process. See
also <https://www.mediawiki.org/wiki/Manual:Skin_configuration>.
* BREAKING CHANGE: Skins built for MediaWiki 1.15 and earlier that do not use
the "headelement" template key are no longer supported. Setting
$useHeadElement = false; is no longer supported and will not cause old keys
like "headlinks", "skinnameclass", etc. to be defined.
* BREAKING CHANGE: The files commonElements.css, commonContent.css and
commonInterface.css (in skins/common/) have been removed. Skins may no longer
rely on their presence and include them in their style modules. ResourceLoader
modules introduced in MediaWiki 1.23 should be loaded instead:
- skins/common/commonElements.css → 'mediawiki.skinning.elements' module
- skins/common/commonContent.css → 'mediawiki.skinning.content' module
- skins/common/commonInterface.css → 'mediawiki.skinning.interface' module
* The deprecated 'SpecialVersionExtensionTypes' hook was removed.
* (bug 63891) Add 'X-Robots-Tag: noindex' header in action=render pages.
* SpecialPage no longer supports the syntax for invoking wfSpecial*() functions.
Special pages should subclass SpecialPage and implement the execute() method.
* (bug 63755) The deprecated constants RC_MOVE and RC_MOVE_OVER_REDIRECT were
removed.
* Special:MostLinkedTemplates has been renamed to Special:MostTranscludedPages.
* The skin autodiscovery mechanism has been deprecated and will be removed in
MediaWiki 1.25. See https://www.mediawiki.org/wiki/Manual:Skin_autodiscovery
for migration guide for creators and users of custom skins that relied on it.
* ResourceLoaderFileModule#getAllStyleFiles now returns all style files and all
skin style files used by the module.
* Removed getLang() from IContextSource and subclasses. (deprecated since 1.19)
* Removed setLang() from subclasses of IContextSource. (deprecated since 1.19)
* Removed WebRequest::escapeAppendQuery(). (deprecated since 1.20)
* Removed info(), purge(), revert() and rollback() from the Article class; they
have since become subclasses of the Action class. (deprecated since 1.19)
* SearchEngineReplacePrefixesComplete hook was removed.
* The "jquery.json" module has been deprecated. Use the "json" module instead.
* Removed HTMLForm::addJS(). (deprecated since 1.18)
* Removed LogEventsList::showHeader(). (deprecated since 1.19)
* Removed ImageGalleryBase::useSkin(). (deprecated since 1.18)
* Removed DatabaseMysqlBase::getLagFromProcesslist(). (deprecated since 1.19)
* Removed LoadBalancer::closeConnecton(). (deprecated since 1.18)
* Removed ApiBase::createContext(). (deprecated since 1.19)
* BREAKING CHANGE: The undocumented Special{$this->getName()}BeforeFormDisplay
set of hooks has been removed and replaced by a single new hook
SpecialPageBeforeFormDisplay.
* (bug 65781) Removed block warning on included {{Special:Contributions}}
* Removed Skin::makeGlobalVariablesScript(). (deprecated since 1.19)
* Removed MWNamespace::isMain(). (deprecated since 1.19)
* Removed Preferences::loadOldSearchNs(). (deprecated since 1.19)
* Removed OutputPage::getStatusMessage(). (deprecated since 1.18)
* Removed OutputPage::isUserJsAllowed(). (deprecated since 1.18)
* Removed Title::updateTitleProtection(). (deprecated since 1.19)
* Removed ParserOptions::setSkin(). (deprecated since 1.19)
* Removed Title::escapeCanonicalURL(). (deprecated since 1.19)
* Removed Title::escapeLocalURL(). (deprecated since 1.19)
* Removed Title::escapeFullURL(). (deprecated since 1.19)
* Removed User::isValidEmailAddr(). (deprecated since 1.18)
* Removed Title::getEscapedText(). (deprecated since 1.19)
* Removed Language::getFallbackLanguageCode(). (deprecated since 1.19)
* 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)
* Removed getFormFields(), onSubmit() and onSuccess() from FormlessAction, as
these were meant specifically for FormAction instead.
* Removed Action::execute().
* Removed AjaxAddScript which has been obsolete since ResourceLoader and
is unused by any modern extension.
* Removed maintenance/nextJobDB.php; no longer in use.
* Removed global function wfViewPrevNext(). (deprecated since 1.19)
* Removed global function xmlsafe() from Export.php. (moved to OAIRepo extension)
* Removed Title::userCanRead(). (deprecated since 1.19)
* Removed maintenance script importTextFile.php. Use edit.php script instead.
* A _from_namespace field has been added to the templatelinks, pagelinks,
and filelinks tables. Run update.php to apply this change to the schema.
* Removed File::sha1Base36(). (deprecated since 1.19)
* Removed File::getPropsFromPath(). (deprecated since 1.19)
* Removed functions blockedPage(), noCreatePermission(), readOnlyPage() and
userNotLoggedInPage() from EditPage.php. (deprecated since 1.19)
* Removed functions getContent(), getPreloadedText(), mergeChangesInto() and
setPreloadedText() from EditPage.php. (deprecated since 1.21)
* Removed global functions wfArrayLookup(), wfArrayMerge(), wfDebugDieBacktrace()
and wfTime(). (deprecated since 1.22)
* Browser support for Internet Explorer 6 and 7 lowered from Grade A to Grade C,
meaning that JavaScript is no longer executed in these browser versions.
* Browser support for Opera 11 lowered from Grade A to Grade C.
* Removed IEFixes module which existed purely to provide support for MSIE versions
below 7 (conditionally loaded only for those browsers).
* Deprecated SpecialPageFactory::getList() in favor of
SpecialPageFactory::getNames()
* Action::checkCanExecute() no longer has a return value.
* Removed cleanupForIRC(), loadFromCurRow(), newFromCurRow(), notifyRC2UDP()
and sendToUDP() from RecentChange.php. (deprecated since 1.22)
* Removed EnhancedChangesList::arrow(), sideArrow(), downArrow(), spacerArrow().
* Removed Xml::namespaceSelector(). (deprecated since 1.19)
* Removed WikiPage::estimateRevisionCount(). (deprecated since 1.19)
* MYSQL: Enum item added to "major MIME type" columns.
Running update.php on MySQL < v5.1 may result in heavy processing.
* RSS and Atom feeds generated by MediaWiki no longer include a fallback
stylesheet. It was ignored by most browsers these days anyway.
* SpecialSearchNoResults hook has been removed. SpecialSearchResults is now
called unconditionally.
* TablePager::getBody() is now 'final' and can't be overridden in subclasses.
* TablePager::getBody() is deprecated, use getBodyOutput() or getFullOutput().
* Added $outputPage parameter to the SkinTemplateGetLanguageLink hook.
* log_page for move log entries store the original page ID, rather than that
of the new redirect page. This is not retroactive.
* LCStoreAccel was removed. $wgLocalisationCacheConf can no longer be set to
use this store class.
* Html::infoBox() no longer accepts paths relative to skins/common/images/.
* Deprecated defunct Skin::getCommonStylePath().
* Some extensions had their ResourceLoader modules depend on the "mediawiki"
and "jquery" modules. In the past, this behavior was undefined, now it will
throw an error.
* Removed BagOStuff::replace(). (deprecated since 1.23)
* In Linker.php, link(), linkText() and makeBrokenImageLinkObj() now display
warnings if their first parameter is not a Title object. Also makeImageLink()
now requires a Parser as its first parameter.
* (bug 67368) LESS functions embed() and embeddable(), added in MediaWiki 1.23
and broken by design, have been removed. Use appropriate LESS mixins instead.
* Removed cssjanus.py from maintenance directory as it was unused.
* Removed maintenance/purgeOldText.inc and the PurgeRedundantText() function
it contained (superseded by Maintenance::purgeRedundantText() in 1.16).
The purgeOldText.php maintenance script has been retained.
* PHPUnit tests can be found by directory discovery, by adding the directory
path from your UnitTestsList callback. Older versions of MediaWiki core will
barf at this usage.
==== Renamed classes ====
* CLDRPluralRuleConverter_Expression to CLDRPluralRuleConverterExpression
* CLDRPluralRuleConverter_Fragment to CLDRPluralRuleConverterFragment
* CLDRPluralRuleConverter_Operator to CLDRPluralRuleConverterOperator
* CLDRPluralRuleEvaluator_Range to CLDRPluralRuleEvaluatorRange
* CSSJanus_Tokenizer to CSSJanusTokenizer
* MediaWiki_I18N to MediaWikiI18N
* Parser_DiffTest to ParserDiffTest
* RevDel_ArchiveItem to RevDelArchiveItem
* RevDel_ArchiveList to RevDelArchiveList
* RevDel_ArchivedFileItem to RevDelArchivedFileItem
* RevDel_ArchivedFileList to RevDelArchivedFileList
* RevDel_ArchivedRevisionItem to RevDelArchivedRevisionItem
* RevDel_FileItem to RevDelFileItem
* RevDel_FileList to RevDelFileList
* RevDel_Item to RevDelItem
* RevDel_List to RevDelList
* RevDel_LogItem to RevDelLogItem
* RevDel_LogList to RevDelLogList
* RevDel_RevisionItem to RevDelRevisionItem
* RevDel_RevisionList to RevDelRevisionList
* WebInstaller_Complete to WebInstallerComplete
* WebInstaller_Copying to WebInstallerCopying
* WebInstaller_DBConnect to WebInstallerDBConnect
* WebInstaller_DBSettings to WebInstallerDBSettings
* WebInstaller_Document to WebInstallerDocument
* WebInstaller_ExistingWiki to WebInstallerExistingWiki
* WebInstaller_Install to WebInstallerInstall
* WebInstaller_Language to WebInstallerLanguage
* WebInstaller_Name to WebInstallerName
* WebInstaller_Options to WebInstallerOptions
* WebInstaller_Readme to WebInstallerReadme
* WebInstaller_ReleaseNotes to WebInstallerReleaseNotes
* WebInstaller_Restart to WebInstallerRestart
* WebInstaller_Upgrade to WebInstallerUpgrade
* WebInstaller_UpgradeDoc to WebInstallerUpgradeDoc
* WebInstaller_Welcome to WebInstallerWelcome
==== Removed classes ====
* IPBlockForm - Use SpecialBlock directly
* WatchlistEditor - Use SpecialEditWatchlist directly
* FormatExif - Use FormatMetadata directly
* RevertFileAction - Use RevertAction directly
* HistoryPage - Use HistoryAction directly
* RawPage - Use RawAction directly
* StubContLang - Use Language::factory() instead
* XMLReader2 - Use XMLReader directly
* ResourceLoaderLESSFunctions - No longer in use, not intended for public usage
==== Removed files ====
The skins/common/ directory, previously containing some assets intended to be
used by skins and a number of legacy styles and scripts, has been removed. Its
contents have been deleted or relocated into the resources/ directory. Full list
of files that are no longer available follows.
* skins/common/ajax.js
* skins/common/commonContent.css
* skins/common/commonElements.css
* skins/common/commonInterface.css
* skins/common/commonPrint.css
* skins/common/config-cc.css
* skins/common/config.css
* skins/common/config.js
* skins/common/feed.css
* skins/common/IEFixes.js
* skins/common/oldshared.css
* skins/common/protect.js
* skins/common/shared.css
* skins/common/upload.js
* skins/common/wikibits.js
* skins/common/images/add.png
* skins/common/images/ajax-loader.gif
* skins/common/images/arrow_disabled_first_25.png
* skins/common/images/arrow_disabled_last_25.png
* skins/common/images/arrow_disabled_left_25.png
* skins/common/images/arrow_disabled_right_25.png
* skins/common/images/arrow_first_25.png
* skins/common/images/arrow_last_25.png
* skins/common/images/arrow_left_25.png
* skins/common/images/arrow_right_25.png
* skins/common/images/Arr_.png
* skins/common/images/Arr_d.png
* skins/common/images/Arr_l.png
* skins/common/images/Arr_r.png
* skins/common/images/Arr_u.png
* skins/common/images/bullet.gif
* skins/common/images/button_bold.png
* skins/common/images/button_extlink.png
* skins/common/images/button_headline.png
* skins/common/images/button_hr.png
* skins/common/images/button_image.png
* skins/common/images/button_italic.png
* skins/common/images/button_link.png
* skins/common/images/button_media.png
* skins/common/images/button_nowiki.png
* skins/common/images/button_sig.png
* skins/common/images/button_template.png
* skins/common/images/cc-0.png
* skins/common/images/cc-by-nc-sa.png
* skins/common/images/cc-by-sa.png
* skins/common/images/cc-by.png
* skins/common/images/Checker-16x16.png
* skins/common/images/closewindow.png
* skins/common/images/closewindow19x19.png
* skins/common/images/critical-32.png
* skins/common/images/diffunderline.gif
* skins/common/images/download-32.png
* skins/common/images/feed-icon.png
* skins/common/images/feed-icon.svg
* skins/common/images/gnu-fdl.png
* skins/common/images/help-question-hover.gif
* skins/common/images/help-question.gif
* skins/common/images/info-32.png
* skins/common/images/link_icon.gif
* skins/common/images/magnify-clip-rtl.png
* skins/common/images/magnify-clip.png
* skins/common/images/mediawiki.png
* skins/common/images/nextredirectltr.png
* skins/common/images/nextredirectrtl.png
* skins/common/images/poweredby_mediawiki_88x31.png
* skins/common/images/public-domain.png
* skins/common/images/question-small.png
* skins/common/images/question.svg
* skins/common/images/redirectltr.png
* skins/common/images/redirectrtl.png
* skins/common/images/remove.png
* skins/common/images/spinner.gif
* skins/common/images/tick-32.png
* skins/common/images/tipsy-arrow.gif
* skins/common/images/tooltip_icon.png
* skins/common/images/warning-32.png
* skins/common/images/wiki.png
* skins/common/images/Zoom_sans.gif
* skins/common/images/ar/button_bold.png
* skins/common/images/ar/button_headline.png
* skins/common/images/ar/button_italic.png
* skins/common/images/ar/button_link.png
* skins/common/images/ar/button_nowiki.png
* skins/common/images/be-tarask/button_bold.png
* skins/common/images/be-tarask/button_italic.png
* skins/common/images/be-tarask/button_link.png
* skins/common/images/cyrl/button_bold.png
* skins/common/images/cyrl/button_italic.png
* skins/common/images/cyrl/button_link.png
* skins/common/images/de/button_bold.png
* skins/common/images/de/button_italic.png
* skins/common/images/fa/button_bold.png
* skins/common/images/fa/button_headline.png
* skins/common/images/fa/button_italic.png
* skins/common/images/fa/button_link.png
* skins/common/images/fa/button_nowiki.png
* skins/common/images/icons/fileicon-c.png
* skins/common/images/icons/fileicon-cpp.png
* skins/common/images/icons/fileicon-deb.png
* skins/common/images/icons/fileicon-djvu.png
* skins/common/images/icons/fileicon-djvu.xcf
* skins/common/images/icons/fileicon-dvi.png
* skins/common/images/icons/fileicon-exe.png
* skins/common/images/icons/fileicon-h.png
* skins/common/images/icons/fileicon-html.png
* skins/common/images/icons/fileicon-iso.png
* skins/common/images/icons/fileicon-java.png
* skins/common/images/icons/fileicon-mid.png
* skins/common/images/icons/fileicon-mov.png
* skins/common/images/icons/fileicon-o.png
* skins/common/images/icons/fileicon-ogg.png
* skins/common/images/icons/fileicon-ogg.xcf
* skins/common/images/icons/fileicon-pdf.png
* skins/common/images/icons/fileicon-ps.png
* skins/common/images/icons/fileicon-psd.png
* skins/common/images/icons/fileicon-rm.png
* skins/common/images/icons/fileicon-rpm.png
* skins/common/images/icons/fileicon-svg.png
* skins/common/images/icons/fileicon-tar.png
* skins/common/images/icons/fileicon-tex.png
* skins/common/images/icons/fileicon-ttf.png
* skins/common/images/icons/fileicon-txt.png
* skins/common/images/icons/fileicon.png
* skins/common/images/ksh/button_S_italic.png
== MediaWiki 1.23 ==
=== Configuration changes in 1.23 ===
* (bug 13250) Restored method for clearing a watchlist in web UI
so that users with large watchlists don't have to perform
contortions to clear them.
* When $wgJobRunRate is higher than zero, jobs are now executed via an
asynchronous HTTP request to a MediaWiki entry point. This may require
increasing the number of server worker threads. $wgRunJobsAsync has been
added to disable this feature if needed, falling back to executing the job
on the same process but making the execution synchronously.
* $wgDebugLogGroups values may be set to an associative array with a
'destination' key specifying the log destination. The array may also contain
a 'sample' key with a positive integer value N indicating that the log group
should be sampled by dispatching one in every N messages on average. The
sampling is random.
* In addition to the current exception log format, MediaWiki now serializes
exception metadata to JSON and logs it to the 'exception-json' log group.
This makes MediaWiki easier to integrate with log aggregation and analysis
tools.
* $wgSquidServersNoPurge now supports the use of Classless Inter-Domain
Routing (CIDR) notation to specify contiguous blocks of IPv4 and/or IPv6
addresses that should be trusted to provide X-Forwarded-For headers.
* Preferences 'watchcreations', 'watchdefault', 'enotifwatchlistpages' ("Add
pages I create and files I upload to my watchlist", "Add pages and files I
edit to my watchlist", "Email me when a page or file on my watchlist is
changed") are now enabled by default. In addition new user accounts' personal
and talk pages are now watched by them by default.
* $wgLBFactoryConf: Class names have had underscores removed. The configuration
should be updated if LBFactory_Simple or LBFactory_Multi is configured.
* $wgPasswordSenderName has been removed and is no longer functional. To set a
custom mailer name, the system message 'emailsender' should be modified
(default: "{{SITENAME}}").
* (bug 63269) Email notifications were not correctly handling the
[[MediaWiki:Helppage]] message being set to a full URL (the default).
If you customized [[MediaWiki:Enotif body]] (the text of email notifications),
you'll need to edit it locally to include the URL via the new variable
$HELPPAGE instead of the parser functions fullurl and canonicalurl; otherwise
you don't have to do anything.
* $wgDBAhandler was removed as the only class using it was also removed
* The 'max threads' setting was removed from $wgDBservers.
* Support for AdminSettings.php has been completely removed. All configuration
belongs in LocalSettings.php.
* $wgSkipSkin, which has been replaceable by $wgSkipSkins since 2005 (r9249), is
now formally deprecated.
* Removed deprecated $wgDisabledActions as it is hardly used anywhere.
* $wgRateLimitLog has been deprecated and replaced by
$wgDebugLogGroup['ratelimit'].
* $wgLocalInterwikis is an array containing multiple local interwiki prefixes
(interwiki prefixes that point back to the current wiki). This effectively
allows more than one value of $wgLocalInterwiki to be specified and
understood by the parser. The value of $wgLocalInterwiki is automatically
prepended to the start of this array.
* $wgQueryPages has been removed. Query Pages should be added to by using the
wgQueryPages hook.
* $wgHttpOnlyBlacklist has been removed.
* $wgLicenseTerms has been removed as it was unused.
* $wgProfileOnly is now deprecated; set the log file in
$wgDebugLogGroups['profileoutput'] to replace it.
* $wgMaxBacklinksInvalidate was removed; use $wgJobBackoffThrottling instead
* Deprecated ResourceLoaderGetStartupModules hook.
=== New features in 1.23 ===
* ResourceLoader can utilize the Web Storage API to cache modules client-side.
Compared to the browser cache, caching in Web Storage allows ResourceLoader
to be more granular about evicting stale modules from the cache while
retaining the ability to retrieve multiple modules in a single HTTP request.
This capability can be enabled by setting $wgResourceLoaderStorageEnabled to
true. This feature is currently considered experimental and should only be
enabled with care.
* (bug 6092) Add expensive parser functions {{REVISIONID:}}, {{REVISIONUSER:}}
and {{REVISIONTIMESTAMP:}} (with friends).
* Add "wgRelevantUserName" to mw.config containing the current
Skin::getRelevantUser value.
* (bug 56033) Add content model to the page information.
* Added Article::MissingArticleConditions hook to give extensions a chance to
hide their (unrelated) log entries.
* Added LonelyPagesQuery hook to let extensions modify the query used to
generate Special:LonelyPages.
* Added $wgOpenSearchDefaultLimit defining the default number of entries to show
on action=opensearch API call.
* For namespaces with $wgNamespaceProtection (including the MediaWiki
namespace), the "protect" tab will be shown only if there are restriction
levels available that would restrict editing beyond what
$wgNamespaceProtection already applies. The protection form will offer only
those protection levels.
* Added $wgAPIFormatModules, allowing extensions to add additional output
formatting modules for the API.
* (bug 47812) The MediaWiki:Group-user.{css,js} pages can now be used to add
custom CSS or JavaScript enabled only for registered users.
* (bug 52005) Special pages RecentChanges, RecentChangesLinked and Watchlist
now include a legend describing the symbols used in lists of changes.
* Improved the accessibility of the tabs in Special:Preferences.
* Added ApiBeforeMain hook, roughly equivalent to the BeforeInitialize hook:
it's called after everything is set up but before any major processing
happens.
* The jquery.client module now performs a component-wise version comparison in
its #test method when strings are used in the browser map: version '1.10' is
now correctly considered larger than '1.2'. Using numbers in the version map
is not affected.
* All API modules now support an assert parameter, which can either be
'user' or 'bot'. The API will throw an error if the user is not logged
in (user) or does not have the 'bot' userright (bot). Based off of the
AssertEdit extension by Steve Sanbeg.
* [[Special:Diff]] was added, allowing users to create internal links to
revision comparison pages using syntax such as [[Special:Diff/12345]],
[[Special:Diff/12345/prev]] or [[Special:Diff/12345/98765]].
* New user accounts' personal and talk pages are now watched by them by default.
* Added SkinTemplateGetLanguageLink hook to allow changing the html of language
links.
* Added MessageCache::get hook as a new way to customize messages across
multiple sites.
* Added jquery.throttle-debounce ResourceLoader module to limit the number of
callbacks for frequently occurring events.
* Special:ProtectedPages shows now a table. The timestamp, the reason and
the protecting user are also shown.
* Added experimental support for using Microsoft SQL Server as the database
backend.
** Added new Microsoft SQL Server-specific configuration variable
$wgDBWindowsAuthentication, which makes the web server authenticate against
the database server using Integrated Windows Authentication instead of
$wgDBuser/$wgDBpassword.
* HTMLForm 'select', 'selectandother', 'selectorother', 'multiselect', and
'radio' fields can now use message keys as labels via the 'options-messages'
parameter, which overrides the 'options' parameter.
* Admins can expire users passwords manually, or on a schedule using the
$wgPasswordExpirationDays configuration setting.
* Add new hook SendWatchlistEmailNotification, this will be used to determine
whether to send a watchlist email notification.
* (bug 42026) Special:Contributions now includes an option to filter page
creations, similar to the topOnly option.
* Add mediawiki.ui.button styling to all pages so wiki content can use styled
buttons.
* Special:UserLogin/signup now does AJAX checks for invalid and taken usernames,
displaying the error live.
* Added BaseTemplateAfterPortlet hook to allow injecting html after portlets in skins.
* Support has been added for a JSON based localisation file format. The
installer has been updated to use it.
* Changes to content typography (colors, line-height etc.). See
https://www.mediawiki.org/wiki/Typography_refresh for further information.
* The Vector skin's visual treatment of external links has been simplified to a
single icon (from nine). This should not affect local rules unless they were
re-using these icons, which have now been deleted.
* ResourceLoader: mw.loader.using() now implements a Promise interface.
* Add new hook ChangesListInitRows accessed via ChangesList::initChangesListRows.
If called by the ChangesList consumer this gives extensions a chance to batch
process the result set prior to rendering.
* A PoolCounterRedis class was added which can be make use of in $wgPoolCounterConf.
This requires at least one Redis 2.6+ server.
* $wgProfileToDatabase was removed. Set $wgProfiler to ProfilerSimpleDB
in StartProfiler.php instead of using this.
* (bug 63444) Made it possible to change the indent string (default: 4 spaces)
used by FormatJson::encode().
=== Bug fixes in 1.23 ===
* (bug 41759) The "updated since last visit" markers (on history pages, recent
changes and watchlist) and the talk page message indicator are now correctly
updated when the user is viewing old revisions of pages, instead of always
acting as if the latest revision was being viewed.
* (bug 56443) Special:ConfirmEmail no longer shows a "Mail a confirmation code"
when the email address is already confirmed. Also, consistently use
"confirmed", rather than "authenticated", when messaging whether or not the
user has confirmed an email address.
* (bug 19415) action=render no longer shows section edit links. This affects
behavior of several other features where (bogus) section edit links will
disappear, such as file description pages loaded via $wgUseInstantCommons or
pages transcluded cross-wiki via $wgEnableScaryTranscluding.
* (bug 56912) Show correct link color on cached result of Special:DeadendPages.
* Classes TitleListDependency and TitleDependency have been removed, as they
have been found unused in core and extensions for a long time.
* (bug 57098) SpecialPasswordReset now obeys returnto parameter
* (bug 37812) ResourceLoader will notice when a module's definition changes and
recompile it accordingly.
* (bug 57201) SpecialRecentChangesFilters hook is now executed for feeds.
* (bug 58640) Fixed a compatibility issue with PCRE 8.34 that caused pages
to appear blank or with missing text.
* (bug 56931) Updated the plural rules to CLDR 24. They are in new format
which is detailed in UTS 35 Rev 33. The PHP parser and evaluator as well as
the JavaScript evaluator were updated to support the new format. Plural rules
for some languages have changed, most notably Russian. Affected software
messages have been updated and marked for review at translatewiki.net.
* (bug 23542) imagelinks now stores both the redirect and target (as
templatelinks does).
* (bug 58167) The web installer no longer throws an exception when PHP is
compiled without support for MySQL yet with support for another DBMS.
* (bug 56199) Raw option of parser functions must now match complete word,
to take effect.
* (bug 60543) Special:PrefixIndex forgot stripprefix=1 for "Next page" link
* (bug 29762) Undoing an already-undone edit will now display an appropriate
message instead of leading the user to make a null edit.
* (bug 52659) mediawiki.notification: Notification area remained visible when
empty and thus was stealing pointer events from links on the page.
* (bug 26811) When a DBUnexpectedError occurs, DB server hostnames are now
hidden unless $wgShowExceptionDetails is true, and $wgShowDBErrorBacktrace
no longer applies in such cases.
* (bug 60960) Avoid doing file_exist() checks on data: URIs, as they cause
warnings to be printed on Windows due to large path length.
* (bug 48084) Fixed a bug in the installer that could cause $wgLogo to hold
the wrong path to the placeholder logo (skins/common/images/wiki.png).
* (bug 64289) jquery.textSelection: Don't throw errors on empty collections.
=== Web API changes in 1.23 ===
* (bug 54884) action=parse&prop=categories now indicates hidden and missing
categories.
* action=query&meta=filerepoinfo now returns additional information for each
repo.
* action=parse&prop=languageshtml was deprecated in 1.18 and will be removed in
MediaWiki 1.24.
* action=parse now has disabletoc flag to disable table of contents in output.
* (bug 25702) list=allcategories, list=allimages, list=alllinks, list=allpages,
list=deletedrevs and list=filearchive did not handle case-sensitivity
properly for all parameters.
* ApiQueryBase::titlePartToKey allows an extra parameter that indicates the
namespace in order to properly capitalize the title part.
* (bug 57874) action=feedcontributions no longer has one item more than limit.
* All API modules now support an assert parameter. See the new features section
for more details.
* Added prop=contributors to fetch the list of contributors to the page.
* The following API modules will now return entries where fields have been
revision-deleted: list=deletedrevs, list=filearchive, list=recentchanges,
list=watchlist. "hidden" indicators will be included, in the same style as is
already done for prop=revisions.
* The following API modules will now return the content of revision-deleted
fields, in addition to the "hidden" indicators, if the querying user has the
necessary rights: list=logevents, list=usercontribs, prop=imageinfo,
prop=revisions.
* The above modules, where applicable, will now return entries filtered by
revision-deleted fields if the querying user has the necessary rights. For
example, prop=revisions with rvuser or rvexcludeuser will no longer skip
revisions where the user was revision-deleted if the current user has the
deletedhistory right.
* The 'hideuser' right, used when blocking, is no longer necessary or
sufficient for seeing contributions with revision-deleted in
list=usercontribs.
* list=watchlist now uses the querying user's rights rather than the wlowner's
rights when checking whether wlprop=patrol is allowed.
* (bug 32151) ApiWatch now has pageset capabilities (titles/pageids/generators).
Title parameter is now deprecated.
* (bug 23005) Added action=revisiondelete.
* Added siprop=restrictions to API action=query&meta=siteinfo for querying
possible page restriction (protection) levels and types.
* Added prop 'limitreportdata' and 'limitreporthtml' to action=parse.
* (bug 58627) Provide language names on action=parse&prop=langlinks.
* Deprecated llurl= in favour of llprop=url for action=query&prop=langlinks.
* Added llprop=langname and llprop=autonym for action=query&prop=langlinks.
* prop=redirects is added, to return redirects to the pages in the query.
* list=allredirects is added, to list all redirects pointing to a namespace.
* (bug 42026) Added ucshow={new,!new,top,!top} to list=usercontribs.
Also added newonly to action=feedcontributions.
* (bug 42026) Deprecated uctoponly in favor of ucshow=top.
* list=search no longer has a "srredirects" parameter. Redirects are now
included in all searches.
* Added list=prefixsearch that works like action=opensearch but can be used as
a generator.
* (bug 24782) Various modules will now use unique continuation parameters.
* (bug 63249) Cache RecentChanges Atom feed in varnish for 15 seconds.
=== Languages updated in 1.23 ===
MediaWiki supports over 350 languages. Many localisations are updated
regularly. Below only new and removed languages are listed, as well as
changes to languages because of Bugzilla reports.
* Support was added for Algerian Spoken Arabic (arq).
* Support was added for Riograndenser Hunsrückisch (hrx).
* Support was added for Northern Luri (lrc).
=== Other changes in 1.23 ===
* The rc_type field in the recentchanges table has been superseded by a new
rc_source field. The rc_source field is a string representation of the
change type where rc_type was a numeric constant. This field is not yet
queried but will be in a future release.
** Utilize update.php to create and populate this new field. On larger wikis
which do not wish to update recentchanges table in one large update please
review the SQL and comments in maintenance/archives/patch-rc_source.sql.
** The rc_type field of recentchanges will be deprecated in a future release.
* The global variable $wgArticle has been removed after a lengthy deprecation.
* The global functions addButton and insertTags (for mw.toolbar.addButton and
mw.toolbar.insertTags) now emits mw.log.warn when accessed.
* The ExpandTemplates extension has been moved into MediaWiki core.
* (bug 52812) Removed "Disable search suggestions" from Preference.
* (bug 52809) Removed "Disable browser page caching" from Preference.
* Three new modules intended for use by custom skins were added:
'mediawiki.skinning.elements', 'mediawiki.skinning.content', and
'mediawiki.skinning.interface', representing three levels of standard
MediaWiki styling. Previously skin creators wishing to use them had to refer
to the file names of appropriate files directly, which is now discouraged.
* The modules 'skins.vector' and 'skins.monobook' have been renamed to
'skins.vector.styles' and 'skins.monobook.styles', respectively,
and their definition was changed not to include the common*.css files;
the two skins now load the 'mediawiki.skinning.interface' module instead.
* A page_links_updated field has been added to the page table.
* SpecialPage::getTitle has been deprecated in favor of
SpecialPage::getPageTitle.
* BREAKING CHANGE: Two potentially backwards-incompatible changes have been made
to the 'SpecialWatchlistQuery' hook's last parameter (array $values) to make
the hook more consistent with the 'SpecialRecentChangesQuery' one:
** Several array keys have been renamed: hideMinor → hideminor,
hideBots → hidebots, hideAnons → hideanons, hideLiu → hideliu,
hidePatrolled → hidepatrolled, hideOwn → hidemyself.
** The parameter value is now a FormOptions object, not a plain array (array
access operators should continue to work, as it implements the ArrayAccess
interface).
* Option to mark hooks as deprecated has been added.
* (bug 52811) Preference "Enable section editing via [edit] links" was removed.
* (bug 52813) Preference "Show table of contents (for pages with more than
3 headings)" was removed.
* (bug 52810) Preference "Justify paragraphs" was removed.
* OutputPage::showErrorPage raises a notice if arguments are incoherent.
* Thumbnails that keep failing to render in thumb.php will be rate-limited