RELEASE-NOTES-1.32

   1 == MediaWiki 1.32 ==
   2
   3 THIS IS NOT A RELEASE YET
   4
   5 MediaWiki 1.32 is an alpha-quality branch and is not recommended for use in
   6 production.
   7
   8 === Configuration changes in 1.32 ===
   9
  10 ==== New configuration ====
  11 * $wgJpegQuality – The quality of JPEG thumbnails is now configurable through
  12   this setting. The default is 80, which matches the quality of JPEG thumbnails
  13   previously generated by ImageMagick. The quality of JPEG thumbnails generated
  14   by GD was previously 95, but now uses the $wgJpegQuality setting as well.
  15 * $wgCookieSetOnIpBlock - This determines whether to set a cookie when an IP
  16   user is blocked. Doing so means that a blocked user, even after moving to a
  17   new IP address, will still be blocked.
  18 * $wgRawHtmlMessages – This new configuration setting is added for listing
  19   messages which are displayed as raw HTML.
  20 * $wgCSPHeader and $wgCSPReportOnlyHeader – You can now define a
  21   "Content Security Policy" for your wiki. This adds a defense-in-depth feature
  22   to stop an attacker who has found a bug in the parser allowing them to insert
  23   malicious attributes. Disabled by default. (T135963)
  24 * $wgGroupPermissions – A new user group, 'interface-admin', is added for
  25   controlling access to sitewide CSS/JS (and editing other users' CSS/JS). No
  26   other group has 'editsitecss', 'editusercss', 'editsitejs' or 'edituserjs'
  27   by default.
  28 * $wgGrantPermissions – A new grant group, 'editsiteconfig', is added for
  29   granting the above rights.
  30
  31 ==== Changed configuration ====
  32 * $wgUseAjax – This setting, deprecated in 1.31, is now ignored.
  33 * $wgDefaultUserOptions – The default watchlist view time (watchlistdays) has
  34   been increased from 3 to 7 days. (T194414)
  35 * $wgGroupPermissions – The right to edit sitewide Javascript
  36   (e.g. MediaWiki:Common.js), CSS or JSON was separated from 'editinterface'
  37   and is available under 'editsitejs'/'editsitecss'/'editsitejson'. Having
  38   'editinterface' is still necessary to edit such pages.
  39 * $wgMultiContentRevisionSchemaMigrationStage now defaults to writing both the
  40   old and the new schema, but reading the new schema, so Multi-Content Revisions
  41   (MCR) are now functional per default. The new default value of the setting is
  42   SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_NEW.
  43
  44 ==== Removed configuration ====
  45 * $wgEnableAPI and $wgEnableWriteAPI – These settings, deprecated in 1.31,
  46   have been removed. (T115414)
  47 * $wgSiteSupportPage – This setting, unused since 1.5, was removed.
  48 * $wgBrowserBlacklist – This setting, deprecated in 1.30, was removed.
  49 * $wgExperimentalHtmlIds – This setting, deprecated since 1.30, was removed.
  50   The 'html5-legacy' value for $wgFragmentMode is no longer accepted.
  51 * $wgPasswordSenderName - This setting, ignored since 1.23 by MediaWiki and
  52   most extensions, is no longer set. Instead, you can modify the system
  53   message `emailsender`.
  54 * $wgTidyConfig – The experimental Html5Internal and Html5Depurate tidy drivers
  55   were removed. RemexHtml, which is the default, should be used instead.
  56
  57 === New features in 1.32 ===
  58 * (T112474) Generalized the ResourceLoader mechanism for overriding modules
  59   using a particular page during edit previews.
  60 * (T12331) You can now log page creation events by setting $wgPageCreationLog
  61   to true.
  62 * Added 'ApiParseMakeOutputPage' hook.
  63 * (T174313) Added checkbox on Special:ListUsers to display only users in
  64   temporary user groups.
  65 * (T152462) A cookie can now be set when an IP user is blocked to track that
  66   user if they move to a new IP address. This is disabled by default.
  67 * (T194950) Added 'ApiMaxLagInfo' hook.
  68 * SpecialPage::checkLoginSecurityLevel() will now preserve POST data when
  69   reauthenticating.
  70 * FormSpecialPage::execute() will now call checkLoginSecurityLevel() if
  71   getLoginSecurityLevel() returns non-false.
  72 * The 'ImageBeforeProduceHTML' hook is now passed three new parameters, $parser,
  73   &$query and &$widthOption, allowing extensions even finer control over the
  74   resulting HTML code.
  75 * Added new 'ArticleShowPatrolFooter' hook, which allows extensions to determine
  76   if the [mark as patrolled] link should be shown at the footer of patrollable
  77   pages.
  78 * The array of hidden options ($opts) passed to the 'SpecialSearchPowerBox' hook
  79   is now passed by reference, allowing extensions to modify or even unset it.
  80 * Added new 'OutputPageAfterGetHeadLinksArray' hook, allowing extensions to
  81   modify the return value of OutputPage#getHeadLinksArray in order to add,
  82   remove or otherwise alter the elements to be output in the page <head>.
  83 * (T28934) The 'HistoryPageToolLinks' hook allows extensions to append
  84   additional links to the subtitle of a history page.
  85 * The 'GetLinkColours' hook now receives an additional $title parameter,
  86   the Title object of the page being parsed, on which the links will be shown.
  87 * (T194731) DifferenceEngine supports multiple slots. Added SlotDiffRenderer to
  88   render diffs between two Content objects, and DifferenceEngine::setRevisions()
  89   to render diffs between two custom (potentially multi-content) revisions.
  90   Added GetSlotDiffRenderer hook which works like GetDifferenceEngine for slots.
  91 * Added a temporary action=mcrundo to the web UI, as the normal undo logic
  92   can't yet handle MCR and deadlines are forcing is to put off fixing that.
  93   This action should be considered deprecated and should not be used directly.
  94 * Extensions overriding ContentHandler::getUndoContent() will need to be
  95   updated for the changed method signature.
  96 * Added a new hook, 'UserGetRightsRemove', which can be used to remove rights
  97   from user. Unlike the 'UserGetRights' it will ensure that removed rights
  98   will not be reinserted.
  99
 100 === External library changes in 1.32 ===
 101
 102 ==== New external libraries ====
 103 * Added wikimedia/xmp-reader 0.6.0
 104 * …
 105
 106 ==== Changed external libraries ====
 107 * Updated qunitjs from 2.4.0 to 2.6.2.
 108 * Updated wikimedia/scoped-callback from 1.0.0 to 2.0.0.
 109 ** ScopedCallback objects can no longer be serialized.
 110 * Updated wikimedia/wrappedstring from 2.3.0 to 3.0.1.
 111 * Updated mediawiki/mediawiki-codesniffer from v20.0.0 to v21.0.0.
 112 * Updated composer/spdx-licenses from 1.3.0 to 1.4.0.
 113 * Updated jquery.i18n from 1.0.4 to 1.0.5.
 114 * Updated wikimedia/timestamp from 1.0.0 to 2.2.0.
 115 * Updated wikimedia/remex-html from 1.0.3 to 2.0.0.
 116 * Updated jquery from v3.2.1 to v3.3.1.
 117
 118 ==== Removed external libraries ====
 119 * …
 120
 121 === Bug fixes in 1.32 ===
 122 * SpecialPage::execute() will now only call checkLoginSecurityLevel() if
 123   getLoginSecurityLevel() returns non-false.
 124 * (T43720, T46197) Improved page display title handling for category pages
 125
 126 === Action API changes in 1.32 ===
 127 * Added templated parameters.
 128   * A module can define a templated parameter like "{fruit}-quantity", where
 129     the actual parameters recognized correspond to the values of a multi-valued
 130     parameter. Then clients can make requests like
 131     "fruits=apples|bananas&apples-quantity=1&bananas-quantity=5".
 132   * action=paraminfo will return templated parameter definitions separately
 133     from normal parameters. All parameter definitions now include an "index"
 134     key to allow clients to maintain parameter ordering when merging normal and
 135     templated parameters.
 136 * It is now an error to submit too many values for a multi-valued parameter.
 137   This has generated a warning since MediaWiki 1.14.
 138 * Assertion failures from the 'assert' and 'assertuser' parameters will no
 139   longer use the action module's custom response format, for the few modules
 140   that use custom formatters that handle errors.
 141 * (T198935) User list preferences such as `email-blacklist` and similar
 142   extension preferences are no longer represented as arrays when returned by
 143   action=query&meta=userinfo&uiprop=options.
 144 * 'missingparam' errors will now use the prefixed parameter name in the code
 145   and error text, e.g. "noxxfoo" and "The 'xxfoo' parameter must be set" rather
 146   than "nofoo" and "The 'foo' parameter must be set".
 147 * action=query&prop=revisions now takes a 'rvslots' parameter to indicate the
 148   multi-content revision slots for which content should be returned. It also
 149   has a new rvprop, 'roles', to indicate which roles have slots. A deprecation
 150   warning will be issued if rvprop=content or rvprop=contentmodel are used
 151   without rvslots.
 152 * The rvcontentformat parameter to action=query&prop=revisions has been
 153   deprecated. Clients should be prepared to deal with the default format for
 154   relevant models.
 155 * Use of the deprecated parameters rvexpandtemplates, rvgeneratexml, rvparse,
 156   rvdiffto, rvdifftotext, rvdifftotextpst, rvcontentformat, or the deprecated
 157   rvprop=parsetree is forbidden with the new 'rvslots' parameter.
 158 * action=query&prop=deletedrevisions, action=query&list=allrevisions, and
 159   action=query&list=alldeletedrevisions are changed similarly to
 160   &prop=revisions (see the three previous items).
 161 * (T174032) action=compare now supports multi-content revisions.
 162   * It has a 'slots' parameter to select diffing of individual slots. The
 163     default behavior is to return one combined diff.
 164   * The 'fromtext', 'fromsection', 'fromcontentmodel', 'fromcontentformat',
 165     'totext', 'tosection', 'tocontentmodel', and 'tocontentformat' parameters
 166     are deprecated. Specify the new 'fromslots' and 'toslots' to identify which
 167     slots have text supplied and the corresponding templated parameters for
 168     each slot.
 169   * The behavior of 'fromsection' and 'tosection' of extracting one section's
 170     content is not being preserved. 'fromsection-{slot}' and 'tosection-{slot}'
 171     instead expand the given text as if for a section edit. This effectively
 172     declines T183823 in favor of T185723.
 173 * (T198214) The 'disabletidy' parameter to action=parse has been
 174   deprecated; untidy output will not be supported by future wikitext
 175   parsers.
 176
 177 === Action API internal changes in 1.32 ===
 178 * Added 'ApiParseMakeOutputPage' hook.
 179 * Parameter names may no longer contain '{' or '}', as these are now used for
 180   templated parameters.
 181 * (T194950) Added 'ApiMaxLagInfo' hook.
 182 * The following methods now take a RevisionRecord rather than a Revision. No
 183   external callers are known.
 184   * ApiFeedContributions::feedItemAuthor()
 185   * ApiFeedContributions::feedItemDesc()
 186   * ApiQueryRevisionsBase::extractRevisionInfo()
 187
 188 === Languages updated in 1.32 ===
 189 MediaWiki supports over 350 languages. Many localisations are updated regularly.
 190 Below only new and removed languages are listed, as well as changes to languages
 191 because of Phabricator reports.
 192
 193 * (T193566) Added language support for Ambonese Malay (abs).
 194 * (T194047) Added language support for Shawiya, Latin script (shy-latn).
 195 * (T195940) Added language support for Batak Mandailing (btm).
 196 * (T137491) Added language support for Standard Moroccan Amazigh (zgh).
 197 * (T198132) Added language support for Manipuri (mni).
 198 * (T201276) Added language support for Western Armenian (hyw).
 199 * (T201583) Added language support for Mon (mnw).
 200
 201 === Breaking changes in 1.32 ===
 202 * $wgRequestTime, deprecated in 1.25, was removed. Use
 203   $_SERVER['REQUEST_TIME_FLOAT'] or WebRequest::getElapsedTime() instead.
 204 * The MediaWikiI18N class, deprecated in 1.31, was removed.
 205 * QuickTemplate::setTranslator(), deprecated in 1.31, was removed. Use
 206   Skin::msg() instead.
 207 * wfInitShellLocale(), deprecated in 1.30, was removed.
 208 * wfShellExecDisabled(), deprecated in 1.30, was removed.
 209 * The type string for the parameter $lang of DateFormatter::getInstance,
 210   deprecated in 1.31, was removed.
 211 * The EDIT_TOKEN_SUFFIX constant deprecated in 1.27, was removed. Use
 212   MediaWiki\Session\Token::SUFFIX instead.
 213 * EditPage::isOouiEnabled() deprecated in 1.30, was removed.
 214 * mw.util.wikiGetlink(), deprecated in 1.23, was removed. Use mw.util.getUrl()
 215   instead.
 216 * (T61113) The following methods and constants from the Revision class, which
 217   were deprecated in 1.25, have now been removed:
 218   * Revision::getRawUser()
 219   * Revision::getRawUserText()
 220   * Revision::getRawComment()
 221 * window.gM() from mediawiki.jqueryMsg, deprecated in 1.23, was removed. Use
 222   mw.msg() or mw.message() instead.
 223 * mw.util.escapeId(), deprecated in 1.30, was removed. Use
 224   mw.util.escapeIdForAttribute or mw.util.escapeIdForLink instead.
 225 * mw.util.updateTooltipAccessKeys(), deprecated in 1.24, was removed. Use
 226   jquery.accessKeyLabel instead.
 227 * The SqlDataUpdate class, deprecated in 1.28, has been removed.
 228 * The Html5Internal and Html5Depurate tidy driver classes were removed, along
 229   with the Balancer tidy implementation. Both implementations were experimental,
 230   and were replaced by RemexHtml.
 231 * (T179624) Job::insert() and ::batchInsert(), deprecated in 1.21, were both
 232   removed. Use JobQueueGroup::singleton()->push() instead.
 233 * The jquery.footHovzer module, for mediawiki.debug, was removed.
 234 * The es5-shim module, empty and deprecated since 1.29, was removed.
 235 * the dom-level2-shim module, empty and deprecated since 1.29, was removed.
 236 * the json module, empty and deprecated since 1.29, was removed.
 237 * The mediawiki.widgets.visibleByteLimit module alias, deprecated in 1.32, was
 238   removed. Use mediawiki.widgets.visibleLengthLimit instead.
 239 * The jquery.farbtastic module, unused since 1.18, was removed.
 240 * The 'jquery.expandableField' module, unused since 1.22, was removed.
 241 * (T181318) The $wgStyleVersion setting and its appendage to various script and
 242   style URLs in OutputPage, deprecated in 1.31, was removed.
 243 * The hooks 'PreferencesFormPreSave' and 'PreferencesGetLegend' may provide
 244   any HTMLForm object rather than PreferencesForm.
 245 * The non namespaced TimestampException class, deprecated in 1.29, was removed.
 246   Use Wikimedia\Timestamp\TimestampException instead.
 247 * The global functions codepointToUtf8, hexSequenceToUtf8, utf8ToHexSequence,
 248   utf8ToCodepoint, and escapeSingleString (deprecated in 1.25) were removed.
 249   The UtfNormal\Utils class from the utfnormal library should be used instead.
 250 * The deprecated UTF8_ and UNICODE_ constants were removed. The class constants
 251   from the UtfNormal\Constants class from the utfnormal library should be used
 252 * (T140807) The wgResourceLoaderLESSImportPaths configuration option was removed
 253   from ResourceLoader. Instead, use `@import` statements in LESS to import
 254   files directly from nearby directories within the same project.
 255 * (T140804) The wgResourceLoaderLESSVars configuration option, deprecated
 256   since 1.30, was removed. Instead, to expose variables from PHP to LESS, use
 257   the ResourceLoaderModule::getLessVars() method.
 258 * The protected methods PHPSessionHandler::returnSuccess() and returnFailure(),
 259   only needed for PHP5 compatibility, have been removed. It now uses the boolean
 260   values `true` and `false` respectively.
 261 * The $parserMemc global and wfGetParserCacheStorage(), deprecated since 1.30,
 262   were removed. Use the ParserCache class instead.
 263 * ScopedCallback (deprecated in 1.28) was removed. Use Wikimedia\ScopedCallback
 264   instead.
 265 * Support for ResourceLoaderModule::getModifiedTime() and getModifiedHash(),
 266   deprecated since 1.26, was removed. Use getDefinitionSummary() instead.
 267 * (T195256) Skins are recommended not to rely on JavaScript for the "mw-jump"
 268   and "jump-to-nav" accessibility links. To this end, the "jquery.mw-jump"
 269   is no longer loaded by default. The Vector and MonoBook skins have made a
 270   minor change to implement the toggle feature with CSS instead. To restore
 271   prior functionality, either explicitly load "jquery.mw-jump" in your skin
 272   or refer to T195256 for details on how to make the same change.
 273 * Hook 'EditPageBeforeEditChecks' was removed;
 274   use 'EditPageGetCheckboxesDefinition' instead.
 275 * Linker::getLinkColour() and DummyLinker::getLinkColour(), deprecated since
 276   1.28, were removed. LinkRenderer::getLinkClasses() should be used instead.
 277 * Wikimedia\Rdbms\LoadBalancer::getLaggedSlaveMode(), deprecated in 1.28, has
 278   been removed. Use Wikimedia\Rdbms\LoadBalancer::getLaggedReplicaMode()
 279   instead.
 280 * mw.widgets.CategoryMultiselectWidget now uses TagMultiselectWidget instead of
 281   CapsuleMultiselectWidget. The following methods may no longer be used:
 282   * setItemsFromData: Use setValue instead
 283   * getItemsData: Use getItems instead and get the data property
 284 * Two OutputPage methods, addMetadataLink() and getMetadataAttribute(), were
 285   removed.  Use addLink() instead.
 286 * Another two OutputPage methods, setPageTitleActionText() and
 287   getPageTitleActionText(), were removed.  They did nothing since 1.15 (almost
 288   ten years).  Use setHTMLTitle() directly.
 289 * All MagicWord static member variables have been removed.  Use appropriate
 290   hooks or MagicWordFactory methods instead.
 291 * MagicWord::clearCache() has been removed.  Instead, create a new
 292   MagicWordFactory, such as by calling
 293   resetServiceForTesting( 'MagicWordFactory' ) on a MediaWikiServices.
 294 * mw.util.init() has been removed. This function is not needed anymore and was
 295   a no-op function since 1.30.
 296 * SpecialPageFactory::resetList() is a no-op.  Call overrideMwServices()
 297   instead.
 298 * MediaWiki no longer supports a StartProfiler.php file.
 299   Define $wgProfiler via LocalSettings.php instead.
 300 * The mw.loader.addSource() is now considered a private method, and no longer
 301   supports the `id, url` signature. Use the `Object` parameter instead.
 302 * The backwards-compatibility code in HTMLForm to add a drop-down control to an
 303   option that is not set to be a drop-down if the "mw-chosen" class is present,
 304   is now removed.
 305 * Several collations were removed. They were workarounds for bugs in the ICU
 306   library and they are no longer needed (as of ICU 57.1):
 307   * 'uppercase-se' (NorthernSamiUppercaseCollation) - use 'uca-se' instead
 308   * 'xx-uca-et' (CollationEt) - use 'uca-et' instead
 309   * 'xx-uca-fa' (CollationFa) - use 'uca-fa' instead
 310 * The hooks 'SpecialRecentChangesFilters' & 'SpecialWatchlistFilters' deprecated
 311   in 1.23 were removed. Instead, use 'ChangesListSpecialPageStructuredFilters'.
 312   The ChangesListSpecialPage code for these legacy hooks, and their use in
 313   SpecialRecentchanges.php and SpecialWatchlist, was also removed:
 314   * ChangesListSpecialPage->getCustomFilters()
 315   * ChangesListSpecialPage->getFilterGroupDefinitionFromLegacyCustomFilters()
 316   * ChangesListSpecialPage::customFilters
 317 * The global function wfUseMW, deprecated since 1.26, has now been removed. Use
 318   the "requires" property of static extension registration instead.
 319 * $wgSpecialPages no longer accepts array syntax, deprecated since 1.18.
 320 * The MailAddress constructor can no longer be called with a User object,
 321   behaviour which has been deprecated since 1.24.
 322 * LBFactory, deprecated since 1.28, has been removed. Instead, use
 323   Wikimedia\Rdbms\LBFactory.
 324 * The MimeMagic class, deprecated since 1.28 has been removed. Get a
 325   MimeAnalyzer instance from MediaWikiServices instead.
 326 * The '--tidy' option to maintenance/parse.php has been removed.  Tidying
 327   the output is now the default.  Use '--no-tidy' to bypass the tidy
 328   phase.
 329 * The global function wfErrorLog, deprecated since 1.25, has now been removed.
 330   Use MWLoggerLegacyLogger::emit or UDPTransport.
 331
 332 === Deprecations in 1.32 ===
 333 * HTMLForm::setSubmitProgressive() is deprecated. No need to call it. Submit
 334   button is already marked as progressive.
 335 * Skin::setupSkinUserCss() is deprecated. Adding of modules to load
 336   has been centralised to Skin::getDefaultModules(), which is now capable
 337   of queueing style modules as well.
 338 * OutputPage::addModuleScripts() and ParserOutput::addModuleScripts are
 339   deprecated. Use addModules() instead.
 340 * Overriding SearchEngine::{searchText,searchTitle,searchArchiveTitle}
 341   in extending classes is deprecated.  Extend related doSearch* methods
 342   instead.
 343 * The following 'mediawiki.api' plugin modules were merged into mediawiki.api
 344   and deprecated: mediawiki.api.category, mediawiki.api.edit,
 345   mediawiki.api.login, mediawiki.api.options, mediawiki.api.parse,
 346   mediawiki.api.upload, mediawiki.api.user, mediawiki.api.watch,
 347   mediawiki.api.messages, and mediawiki.api.rollback.
 348 * ApiBase::truncateArray() is deprecated. No replacement, as nothing is known
 349   to use it.
 350 * WatchAction::getUnwatchToken is deprecated. Use WatchAction::getWatchToken
 351   with the 'unwatch' action parameter instead.
 352 * IcuCollation::getICUVersion() is deprecated, as you can just use the PHP
 353   constant INTL_ICU_VERSION directly in all versions that MediaWiki supports.
 354 * Parser::fetchFile() is deprecated. Use ::fetchFileAndTitle() instead.
 355 * The ApiQueryContributions class has been renamed to ApiQueryUserContribs.
 356 * The XMPInfo, XMPReader, and XMPValidate classes have been deprecated in favor
 357   of the namespaced classes provided by the wikimedia/xmp-reader library.
 358 * SearchResultSet::{next,rewind} are deprecated. Calling code should
 359   use foreach on the SearchResultSet, or the extractResults method. Extending
 360   code should override extractResults.
 361 * Instantiating SearchResultSet directly is deprecated. SearchEngine
 362   implementations must subclass SearchResultSet for their purposes.
 363 * SearchResult::setExtensionData argument has been changed from accepting an
 364   array to accepting a Closure that returns the array when called.
 365 * Class CryptRand, everything in MWCryptRand except generateHex() and function
 366   MediaWikiServices::getCryptRand() are deprecated, use random_bytes() to
 367   generate cryptographically secure random byte sequences.
 368 * Parser::getConverterLanguage() is deprecated.  Use ::getTargetLanguage()
 369   instead.
 370 * Language::markNoConversion() is deprecated.  It confused readers because
 371   it had unexpected behavior (only marking text if it looked like a URL)
 372   and was only used in a single place in the code.  Use
 373   LanguageConverter::markNoConversion() instead.
 374 * (T197492) Language::truncate() was soft deprecated in 1.31 and is
 375   hard deprecated in this release.  It has been split into two similar
 376   methods, Language::truncateForVisual() and Language::truncateForDatabase(),
 377   which measure length in characters and bytes, respectively.  Use
 378   Language::truncateForVisual() when possible to provide equity to users
 379   of multibyte scripts.
 380 * (T176526) EditPage::getContextTitle() falling back to $wgTitle when the
 381   context title is unset is now deprecated; anything creating an EditPage
 382   instance should set the context title via ::setContextTitle().
 383 * The 'jquery.hidpi' module (polyfill for IMG srcset) is deprecated.
 384 * ResourceLoaderStartUpModule::getStartupModules() and ::getLegacyModules()
 385   are deprecated. These concepts are obsolete and have no replacement.
 386 * String type for $lang of DifferenceEngine::setTextLanguage is deprecated.
 387 * The following methods of OutputPage are now deprecated in favour
 388   of using showFatalError directly: OutputPage::showFileDeleteError()
 389   OutputPage::showFileNotFoundError(), OutputPage::showFileRenameError()
 390   OutputPage::showFileCopyError() and OutputPage::showUnexpectedValueError().
 391 * The Replacer, DoubleReplacer, HashtableReplacer, and RegexlikeReplacer
 392   classes are now deprecated. Use a Closure instead.
 393 * (T194263) ContentHandler::makeParserOptions() is deprecated. Use
 394   WikiPage::makeParserOptions() or ParserOptions::newCanonical() instead.
 395 * (T100681) Use of the Parsoid v1 API with the VirtualRESTService, deprecated in
 396   MediaWiki 1.26,  is now hard-deprecated. All known clients were converted to
 397   the Parsoid v3 API in May 2015.
 398 * $input is deprecated in hook 'LogEventsListGetExtraInputs'. Use
 399   $formDescriptor instead.
 400 * SearchEngine::transformSearchTerm( $term ) should no longer be called prior
 401   to running searchText. This method was mainly implemented to support the
 402   'prefix' URI param in SpecialSearch, but there are no reasons to expose this
 403   logic as it should be handled internally by SearchEngine implementations
 404   supporting this feature. SearchEngine implementations should no longer
 405   override this methods.
 406 * SearchEngine::replacePrefixes( $query ) should no longer be called prior
 407   to running searchText/searchTitle.
 408 * (T199657) Messages for $wgFilterLogTypes labels should be no longer be in the
 409   'log-show-hide-[type]' format. Instead use 'logeventslist-[type]-log'.
 410 * Global functions  wfArrayFilter() and wfArrayFilterByKey() are deprecated.
 411   use array_filter() directly.
 412 * The $wgShowSQLErrors global is deprecated and nonfunctional.
 413   Set $wgShowExceptionDetails and/or $wgShowHostnames instead.
 414 * The $wgShowDBErrorBacktrace global is deprecated and nonfunctional.
 415   Set $wgShowExceptionDetails instead.
 416 * Public access to the DifferenceEngine properties mOldid, mNewid, mOldRev,
 417   mNewRev, mOldPage, mNewPage, mOldContent, mNewContent, mRevisionsLoaded,
 418   mTextLoaded and mCacheHit is deprecated. Use getOldid() / getNewid() /
 419   getOldRevision() / getNewRevision() for the first four (note that the
 420   revision ones return a RevisionRecord, not a Revision), do your own lookup
 421   for page/content.
 422 * The $wgExternalDiffEngine value 'wikidiff2' is deprecated. To use wikidiff2
 423   just enable the PHP extension, and it will be autodetected.
 424 * (T194731) DifferenceEngine properties mOldContent and mNewContent and methods
 425   setContent(), generateContentDiffBody(), generateTextDiffBody() and textDiff()
 426   are deprecated. To interact with a single slot, use a SlotDiffRenderer (and
 427   subclass it to customize diff rendering); to diff custom (e.g. unsaved)
 428   content, use setRevisions(). Subclassing DifferenceEngine should only be done
 429   to customize page-level diff properties (such as the navigation header).
 430 * The wfUseMW function, soft-deprecated in 1.26, is now hard deprecated.
 431 * All MagicWord static methods are now deprecated.  Use the MagicWordFactory
 432   methods instead.
 433 * PasswordFactory::init is deprecated. To get a password factory with the
 434   standard configuration, use MediaWikiServices::getPasswordFactory.
 435 * $wgContLang is deprecated, use MediaWikiServices::getContentLanguage()
 436   instead.
 437 * $wgParser is deprecated, use MediaWikiServices::getParser() instead.
 438 * wfGetMainCache() is deprecated, use ObjectCache::getLocalClusterInstance()
 439   instead.
 440 * wfGetCache() is deprecated, use ObjectCache::getInstance() instead.
 441 * All SpecialPageFactory static methods are deprecated. Instead, call the
 442   methods on a SpecialPageFactory instance, which may be obtained from
 443   MediaWikiServices.
 444 * mw.user.stickyRandomId was renamed to the more explicit
 445   mw.user.getPageviewToken to better capture its function.
 446 * Passing Revision objects to ContentHandler::getUndoContent() is deprecated,
 447   Content object should be passed instead.
 448 * (T197179) Parameters 'notice', 'notice-messages', 'notice-message',
 449   previously used by OOUI HTMLForm fields, are now deprecated. Use
 450   'help', 'help-message', 'help-messages' instead.
 451 * (T197179) HTMLFormField::getNotices() is now deprecated.
 452 * The jquery.localize module is now deprecated. Use jquery.i18n instead.
 453 * The SecondaryDataUpdates hook was deprecated in favor of RevisionDataUpdates,
 454   or overriding ContentHandler::getSecondaryDataUpdates (T194038).
 455 * The WikiPageDeletionUpdates hook was deprecated in favor of
 456   PageDeletionDataUpdates, or overriding ContentHandler::getDeletionDataUpdates
 457   (T194038).
 458 * Content::getSecondaryDataUpdates has been deprecated in favor of
 459   ContentHandler::getSecondaryDataUpdates() for overriding by extensions
 460   (T194038).
 461   Application logic should call WikiPage::doSecondaryDataUpdates() (T194037).
 462 * Content::getDeletionUpdates has been deprecated in favor of
 463   ContentHandler::getDeletionUpdates() for overriding by extensions (T194038).
 464   Application logic should call WikiPage::doSecondaryDataUpdates() (T194037).
 465 * (T198214) Old Tidy-related configuration settings, which were soft-deprecated
 466   in MediaWiki 1.26, have now been hard deprecated. This affects $wgUseTidy,
 467   $wgTidyBin, $wgTidyConf, $wgTidyOpts, $wgTidyInternal, and $wgDebugTidy. Use
 468   $wgTidyConfig instead.
 469 * All Tidy configurations other than Remex have been hard deprecated;
 470   future parsers will not emit compatible output for these configurations.
 471 * QuickTemplate::msgHtml() and BaseTemplate::msgHtml() have been deprecated
 472   as they promote bad practises. I18n messages should always be properly
 473   escaped.
 474 * Skin::getDynamicStylesheetQuery() has been deprecated. It always
 475   returns action=raw&ctype=text/css which callers should use directly.
 476 * Class LegacyFormatter is deprecated.
 477
 478 === Other changes in 1.32 ===
 479 * (T198811) The following tables have had their UNIQUE indexes turned into
 480   proper PRIMARY KEYs for increased maintainability: interwiki, page_props,
 481   protected_titles and site_identifiers.
 482 * OOUI HTMLForm will now display help text inline after the input field,
 483   rather than in a popup. Previous behavior can be restored by using
 484   `'help-inline' => false`.
 485 * The archive table's ar_rev_id field is now unique.
 486 * Special:BotPasswords now requires reauthentication.
 487 * (T174023) Multi-Content Revision (MCR) capabilities were introduced into the
 488   storage layer and have basic support for display. No user interface exists
 489   yet for creating or managing content in slots beides the main slot. See
 490   <https://www.mediawiki.org/wiki/Multi-Content_Revisions> for more
 491   information.
 492 * …
 493
 494 == Compatibility ==
 495 MediaWiki 1.32 requires PHP 7.0.0 or later. Although HHVM 3.18.5 or later is
 496 supported, it is generally advised to use PHP 7.0.0 or later for long term
 497 support.
 498
 499 MySQL/MariaDB is the recommended DBMS. PostgreSQL or SQLite can also be used,
 500 but support for them is somewhat less mature. There is experimental support for
 501 Oracle and Microsoft SQL Server.
 502
 503 The supported versions are:
 504
 505 * MySQL 5.5.8 or later
 506 * PostgreSQL 9.2 or later
 507 * SQLite 3.3.7 or later
 508 * Oracle 9.0.1 or later
 509 * Microsoft SQL Server 2005 (9.00.1399)
 510
 511 == Upgrading ==
 512 1.32 has several database changes since 1.31, and will not work without schema
 513 updates. Note that due to changes to some very large tables like the revision
 514 table, the schema update may take quite long (minutes on a medium sized site,
 515 many hours on a large site).
 516
 517 Don't forget to always back up your database before upgrading!
 518
 519 See the file UPGRADE for more detailed upgrade instructions, including
 520 important information when upgrading from versions prior to 1.11.
 521
 522 For notes on 1.31.x and older releases, see HISTORY.
 523
 524 == Online documentation ==
 525 Documentation for both end-users and site administrators is available on
 526 MediaWiki.org, and is covered under the GNU Free Documentation License (except
 527 for pages that explicitly state that their contents are in the public domain):
 528
 529        https://www.mediawiki.org/wiki/Special:MyLanguage/Documentation
 530
 531 == Mailing list ==
 532 A mailing list is available for MediaWiki user support and discussion:
 533
 534        https://lists.wikimedia.org/mailman/listinfo/mediawiki-l
 535
 536 A low-traffic announcements-only list is also available:
 537
 538        https://lists.wikimedia.org/mailman/listinfo/mediawiki-announce
 539
 540 It's highly recommended that you sign up for one of these lists if you're
 541 going to run a public MediaWiki, so you can be notified of security fixes.
 542
 543 == IRC help ==
 544 There's usually someone online in #mediawiki on irc.freenode.net.