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