1 Security reminder: If you have PHP's register_globals option set, you must
2 turn it off. MediaWiki will no longer work with it enabled.
6 THIS IS NOT A RELEASE YET
8 MediaWiki 1.24 is an alpha-quality branch and is not recommended for use in
11 === Configuration changes in 1.24 ===
12 * MediaWiki will no longer run if register_globals is enabled. It has been
13 deprecated for 5 years now, and was removed in PHP 5.4. For more information
14 about why, see <https://www.mediawiki.org/wiki/register_globals>.
15 * MediaWiki now requires PHP's iconv extension. openSUSE users may need to
16 install the php5-iconv package. Users of other systems may need to add
17 extension=iconv.so to php.ini or recompile PHP without --without-iconv.
18 * MediaWiki will no longer function if magic quotes are enabled. It has
19 been deprecated for 5 years now, and was removed in PHP 5.4.
20 * The server's canonical hostname is available as $wgServerName, which is
21 exposed in both mw.config and ApiQuerySiteInfo.
22 * Introduced $wgPagePropsHaveSortkey as a backwards-compatibility switch,
23 for using the old schema of the page_props table, in case the respective
24 schema update was not applied.
25 * $wgSearchEverythingOnlyLoggedIn was removed as the 'searcheverything'
26 user option was removed. Use $wgNamespacesToBeSearchedDefault instead or
27 if you used to have $wgDefaultUserOptions['searcheverything'] = 1.
28 * $wgMasterWaitTimeout has been deprecated.
29 * $wgDBClusterTimeout has been removed.
30 * $wgProxyKey has been removed. It is no longer used by MediaWiki core.
31 Ensure $wgSecretKey is set in LocalSettings.php.
32 * $wgExtraInterlanguageLinkPrefixes is a new configuration variable that
33 contains an array of interwiki prefixes that should be treated as language
34 prefixes (i.e. turned into interlanguage links when $wgInterwikiMagic is set
36 * $wgParserTestRemote has been removed.
37 * $wgCountTotalSearchHits has been removed. If you're concerned about efficiency
38 of search, you should use something like CirrusSearch instead of built in
40 * Users in the 'sysop' group have access to Special:MergeHistory by default.
41 * $wgFileStore was removed after having been deprecated in 1.17. Alternative
42 configurations are $wgDeletedDirectory and $wgHashedUploadDirectory.
43 * The deprecated $wgUseCommaCount variable has been removed.
44 * $wgEnableSorbs and $wgSorbsUrl have been removed.
45 * The UserCryptPassword and UserComparePassword hooks are no longer called. Any extensions
46 using them must be updated to use the Password Hashing API.
48 === New features in 1.24 ===
49 * Added a new hook, "WhatLinksHereProps", to allow extensions to annotate
50 WhatLinksHere entries.
51 * Added a new hook, "ContentGetParserOutput", to customize parser output for
52 a given content object.
53 * Deprecated the hook "ShowRawCssJs", use "ContentGetParserOutput" instead.
54 * HTMLForm's HTMLTextField now supports the 'url' type.
55 * HTMLForm fields may now be dynamically hidden based on the values of other
57 * HTMLForm now supports multiple copies of an input field or set of input
58 fields, e.g. the form may request "one or more usernames" without having to
59 have the user enter delimited list of names into a text field.
60 * Added a new hook, "SidebarBeforeOutput", to allow to edit the structure of
61 the sidebar just before its display.
62 * (bug 49156) Added the mediawiki.cookie ResourceLoader module, which wraps
63 jquery.cookie so that getting/setting a cookie is syntactically and
64 functionally similar to using the WebRequest::getCookie() and
65 WebResponse::setcookie() methods.
66 * (bug 44740) jQuery upgraded from 1.8.3 to 1.11.1. A new configuration option,
67 $wgIncludejQueryMigrate, also loads the jQuery Migrate hack to let extensions
68 and gadgets use the long-deprecated functions that were removed in jQuery 1.9.
69 This option is turned off by default, and will be removed in MediaWiki 1.25.
70 * (bug 47076) jQuery UI upgraded from 1.8.24 to 1.9.2.
71 * Changes to content typography (fonts, etc.). See
72 https://www.mediawiki.org/wiki/Typography_refresh for further information.
73 * WikitextContent will now render redirects with the expected "redirect"
74 header, rather than as an ordered list. Code calling Article::viewRedirect
75 can probably be changed to no longer special-case redirects.
76 * Header font set to a serif font stack. See
77 https://www.mediawiki.org/wiki/Typography_refresh for further information.
78 * (bug 65567) Added a new hook, "BeforeHttpsRedirect", to allow cancellation of
79 the HTTP to HTTPS redirect due to forceHTTPS cookie, userRequires, etc. This
80 is only for page views, since this hook doesn't affect UserLogin, OAuth,
81 CentralAuth, etc. ATTENTION: This hook is likely to be removed soon due to
82 overall design of the system.
83 * (bug 17367) It is now possible to add pages to your watchlist from
84 Special:UnwatchedPages without reloading the special page.
85 * New methods setVolatile and isVolatile are added to PPFrame, so that
86 extensions such as Cite.php can mark that their output is volatile and
88 * (bug 52817) Advanced search options are now saved on the search page itself,
89 rather than in a dedicated pane in the preferences panel.
90 * (bug 44591) The dropdown actions menu (little triangle next to page tabs) in
91 the Vector skin has gained a label that should make it more discoverable.
92 * MWCryptHKDF added for fast, cryptographically secure random number generation
93 that won't deplete openssl's entropy pool.
94 * ResourceLoader: File modules can now provide a skip function that uses an
95 inline feature test to bypass loading of the module.
96 * (bug 20210) Special pages may now provide autocompletion of their subpage
97 names in search suggestions. Right now the only useful implementation is in
98 Special:Log, but more are to come.
99 * Special:MostLinkedTemplates is no longer limited to transclusions from the
101 * Skins can now use 'remoteSkinPath' when defining ResourceLoader modules.
102 This works the same as 'remoteExtPath' but is relative to the skins/ folder
103 instead of the extensions/ folder.
104 * Added the json2.js polyfill for the ES5 JSON.stringify and JSON.parse methods.
105 Exposed as module "json" with a skip function to optimise loading.
106 * Extensions and skins may now use 'namemsg' in $wgExtensionCredits in addition
107 to 'name', to allow for the name to be localizable. 'name' should still be
108 specified for backwards-compatibility and to define the path Special:Version
109 uses to find extension license information.
110 * Browser tests are now included to verify basic wiki functionality in developer
111 environments. For details on running tests, see tests/browser/README.mediawiki.
112 * Upgrade jStorage to v0.4.10.
113 * {{!}} is now a magic word that produces the | character. This removes the need
114 for Template:! for purposes such as passing pipes inside of parameters.
115 * (bug 20790) The block log snippet on Special:Contributions and while
116 editing user and user talk pages now works for IP range blocks.
117 * (bug 9360) Added ability to change the page language for MediaWiki pages using
118 Special:PageLanguage. All pages are set to wiki language by default.
119 The feature needs to be enabled with $wgPageLanguageUseDB=true and
120 permission needs to be set for 'pagelang'.
121 * Upgrade Moment.js to v2.7.0.
122 * (bug 67042) Added support for the HTML5 <rtc> tag for East Asian typography.
123 * Upgrade Sinon.JS to 1.10.3.
124 * Added the es5-shim polyfill for older or non-compliant javascript engines.
125 * Upgrade jQuery Cookie to v1.3.1.
126 * (bug 20476) Add a "viewsuppressed" user right to be able to view
127 suppressed content but not suppress it ("suppressrevision" right).
128 * (bug 66440) The MediaWiki web installer will now allow you to choose the skins
129 to enable (from the ones included in download tarball) and decide which one
130 should be the default.
131 * (bug 68085) Links of the form [[localInterwikiPrefix:languageCode:pageTitle]],
132 where localInterwikiPrefix is a member of the $wgLocalInterwikis array, will
133 no longer be displayed in the sidebar when $wgInterwikiMagic is true.
134 * New special page, MyLanguages, to redirect users to subpages with localised
135 versions of a page. (Integrated from Extension:Translate)
136 * MediaWiki now supports multiple password types, including bcrypt and PBKDF2.
137 The default type can be changed with $wgPasswordDefault and the type
138 configurations can be changed with $wgPasswordConfig.
139 * Skins can now define custom styles for default ResourceLoader modules using
140 the $wgResourceModuleSkinStyles global. See the Vector skin for examples.
142 === Bug fixes in 1.24 ===
143 * (bug 49116) Footer copyright notice is now always displayed in user language
144 rather than content language (same as copyright notice for editing interface).
145 * (bug 62258) A bug was fixed in File::getUnscaledThumb when a height
146 restriction was present in the parameters. Images with both the "frame"
147 option and a size specification set will now always ignore the provided
148 size and display an unscaled image, as the documentation has always
150 * (bug 39035) Improved Vector skin performance by removing collapsibleNav,
151 which used to collapse some sidebar elements by default.
152 This removes -list id suffixes like p-lang-list: instead of using things like
153 #p-lang-list, you can do #p-lang .body ul.
154 * (bug 890) Links in Special:RecentChanges and Special:Watchlist no longer
155 follow redirects to their target pages.
156 * Parser now dies early if called recursively, instead of producing subtle bugs.
157 * (bug 14323) Redirect pages, when viewed with redirect=no, no longer hide the
158 remaining page content.
159 * (bug 52587) Maintenance script deleteBatch.php no longer follows redirects
160 in the file namespace and delete the file on the target page. It will still
161 however delete the redirect page.
162 * (bug 22683) {{msgnw:}} and other uses of PPFrame::RECOVER_ORIG will correctly
163 recover the original code of extension tags.
164 * (bug 65757) MSSQL: Update script drops unnamed constraints to be prepared
165 for future updates. Because it's doing so heuristically, it may fail or drop
167 * (bug 67870) wfShellExec() cuts off stdout at multiples of 8192 bytes.
168 * $wgRunJobsAsync now works with private wikis (e.g. read requires login).
169 * (bugs 57238, 65206) Blank pages can now be directly created.
171 === Web API changes in 1.24 ===
172 * action=parse API now supports prop=modules, which provides the list of
173 ResourceLoader modules that should be used to enhance the parsed content.
174 * action=query&meta=siteinfo&siprop=interwikimap returns a new "protorel"
175 field which is true iff protocol-relative urls can be used to access
176 a particular interwiki map entry.
177 * ApiQueryLogEvents now provides logpage, which is the page ID from the
178 logging table, if ids are requested and the user has the permissions.
179 * action=edit now requires that appendtext, prependtext, or section=new be used
180 when using the 'redirect' parameter, to prevent clients accidentally
181 overwriting the target page with the content of the redirect.
182 * action=logevents will now return an error if both letitle and leprefix are
184 * action=logevents has a new parameter, lenamespace, to allow filtering by
186 * action=expandtemplates has a new parameter, prop, and a new output format.
187 The old format is still used if prop isn't provided, but this is deprecated.
188 * meta=userinfo can now return the count of unread pages on the watchlist.
189 * list=watchlist can now filter by unread status.
190 * The deprecated action=parse&prop=languageshtml has been removed.
191 * (bug 48071) action=setnotificationtimestamp no longer throws PHP or database
192 errors when no pages are given.
193 * (bug 60734) Actions that use ApiPageSet (e.g. purge, watch,
194 setnotificationtimestamp) will now include continuation information when
197 === Languages updated in 1.24 ===
199 MediaWiki supports over 350 languages. Many localisations are updated
200 regularly. Below only new and removed languages are listed, as well as
201 changes to languages because of Bugzilla reports.
203 === Other changes in 1.24 ===
204 * The deprecated jquery.delayedBind ResourceLoader module was removed.
205 * The deprecated function mw.util.toggleToc was removed.
206 * The Special:Search hooks SpecialSearchGo and SpecialSearchResultsAppend
207 were removed as they were unused.
208 * (bug 65477) User::pingLimiter() now has an additional profile point varying
209 by action being used.
210 * mediawiki.util.$content no longer supports old versions of the Vector,
211 Monobook, Modern and CologneBlue skins that don't yet implement the "mw-body"
212 and/or "mw-body-primary" class name in their html.
213 * Added pp_sortkey column to page_props table, so pages can be efficiently
214 queried and sorted by property value (bug 58032).
215 See $wgPagePropsHaveSortkey if you want to postpone the schema change.
216 * BREAKING CHANGE: The Modern and Cologne Blue skins were moved out of MediaWiki
217 core to their own respective repositories. See also
218 https://www.mediawiki.org/wiki/Skin:Modern and
219 https://www.mediawiki.org/wiki/Skin:CologneBlue.
220 * BREAKING CHANGE: Skins built for MediaWiki 1.15 and earlier that do not use
221 the "headelement" template key are no longer supported. Setting
222 $useHeadElement = false; is no longer supported and will not cause old keys
223 like "headlinks", "skinnameclass", etc. to be defined.
224 * The deprecated 'SpecialVersionExtensionTypes' hook was removed.
225 * (bug 63891) Add 'X-Robots-Tag: noindex' header in action=render pages.
226 * SpecialPage no longer supports the syntax for invoking wfSpecial*() functions.
227 Special pages should subclass SpecialPage and implement the execute() method.
228 * (bug 63755) The deprecated constants RC_MOVE and RC_MOVE_OVER_REDIRECT were
230 * Special:MostLinkedTemplates has been renamed to Special:MostTranscludedPages.
231 * The skin autodiscovery mechanism has been deprecated and will be removed in
232 MediaWiki 1.25. See https://www.mediawiki.org/wiki/Manual:Skin_autodiscovery
233 for migration guide for creators and users of custom skins that relied on it.
234 * ResourceLoaderFileModule#getAllStyleFiles now returns all style files and all
235 skin style files used by the module.
236 * Removed getLang() from IContextSource and subclasses. (deprecated since 1.19)
237 * Removed setLang() from subclasses of IContextSource. (deprecated since 1.19)
238 * Removed WebRequest::escapeAppendQuery(). (deprecated since 1.20)
239 * Removed info(), purge(), revert() and rollback() from the Article class; they
240 have since become subclasses of the Action class. (deprecated since 1.19)
241 * SearchEngineReplacePrefixesComplete hook was removed.
242 * The "jquery.json" module has been deprecated. Use the "json" module instead.
243 * Removed HTMLForm::addJS(). (deprecated since 1.18)
244 * Removed LogEventsList::showHeader(). (deprecated since 1.19)
245 * Removed ImageGalleryBase::useSkin(). (deprecated since 1.18)
246 * Removed DatabaseMysqlBase::getLagFromProcesslist(). (deprecated since 1.19)
247 * Removed LoadBalancer::closeConnecton(). (deprecated since 1.18)
248 * Removed ApiBase::createContext(). (deprecated since 1.19)
249 * BREAKING CHANGE: The undocumented Special{$this->getName()}BeforeFormDisplay
250 set of hooks has been removed and replaced by a single new hook
251 SpecialPageBeforeFormDisplay.
252 * (bug 65781) Removed block warning on included {{Special:Contributions}}
253 * Removed Skin::makeGlobalVariablesScript. (deprecated since 1.19)
254 * Removed MWNamespace::isMain(). (deprecated since 1.19)
255 * Removed Preferences::loadOldSearchNs(). (deprecated since 1.19)
256 * Removed OutputPage::getStatusMessage(). (deprecated since 1.18)
257 * Removed OutputPage::isUserJsAllowed(). (deprecated since 1.18)
258 * Removed Title::updateTitleProtection(). (deprecated since 1.19)
259 * Removed ParserOptions::setSkin(). (deprecated since 1.19)
260 * Removed Title::escapeCanonicalURL(). (deprecated since 1.19)
261 * Removed Title::escapeLocalURL(). (deprecated since 1.19)
262 * Removed Title::escapeFullURL(). (deprecated since 1.19)
263 * Removed User::isValidEmailAddr(). (deprecated since 1.18)
264 * Removed Title::getEscapedText(). (deprecated since 1.19)
265 * Removed Language::getFallbackLanguageCode(). (deprecated since 1.19)
266 * Removed WikiPage::isBigDeletion(). (deprecated since 1.19)
267 * Removed MWInit class which contained functions related to a now discontinued
268 PHP compiler called hphpc. (deprecated since 1.22)
269 * ApiResult::enableSizeCheck() and disableSizeCheck() are now obsolete.
270 * Removed ResourceLoaderGetStartupModules hook. (deprecated since 1.23)
271 * Removed getFormFields(), onSubmit() and onSuccess() from FormlessAction, as
272 these were meant specifically for FormAction instead.
273 * Removed Action::execute().
274 * Removed AjaxAddScript which has been obsolete since ResourceLoader and
275 is unused by any modern extension.
276 * Removed maintenance/nextJobDB.php; no longer in use.
277 * Removed global function wfViewPrevNext(). (deprecated since 1.19)
278 * Removed global function xmlsafe() from Export.php. (moved to OAIRepo extension)
279 * Removed Title::userCanRead(). (deprecated since 1.19)
280 * Removed maintenance script importTextFile.php. Use edit.php script instead.
281 * A _from_namespace field has been added to the templatelinks, pagelinks,
282 and filelinks tables. Run update.php to apply this change to the schema.
283 * Removed File::sha1Base36(). (deprecated since 1.19)
284 * Removed File::getPropsFromPath(). (deprecated since 1.19)
285 * Removed functions blockedPage(), noCreatePermission(), readOnlyPage() and
286 userNotLoggedInPage() from EditPage.php. (deprecated since 1.19)
287 * Removed functions getContent(), getPreloadedText(), mergeChangesInto() and
288 setPreloadedText() from EditPage.php. (deprecated since 1.21)
290 ==== Renamed classes ====
291 * CLDRPluralRuleConverter_Expression to CLDRPluralRuleConverterExpression
292 * CLDRPluralRuleConverter_Fragment to CLDRPluralRuleConverterFragment
293 * CLDRPluralRuleConverter_Operator to CLDRPluralRuleConverterOperator
294 * CLDRPluralRuleEvaluator_Range to CLDRPluralRuleEvaluatorRange
295 * CSSJanus_Tokenizer to CSSJanusTokenizer
296 * MediaWiki_I18N to MediaWikiI18N
297 * Parser_DiffTest to ParserDiffTest
298 * RevDel_ArchiveItem to RevDelArchiveItem
299 * RevDel_ArchiveList to RevDelArchiveList
300 * RevDel_ArchivedFileItem to RevDelArchivedFileItem
301 * RevDel_ArchivedFileList to RevDelArchivedFileList
302 * RevDel_ArchivedRevisionItem to RevDelArchivedRevisionItem
303 * RevDel_FileItem to RevDelFileItem
304 * RevDel_FileList to RevDelFileList
305 * RevDel_Item to RevDelItem
306 * RevDel_List to RevDelList
307 * RevDel_LogItem to RevDelLogItem
308 * RevDel_LogList to RevDelLogList
309 * RevDel_RevisionItem to RevDelRevisionItem
310 * RevDel_RevisionList to RevDelRevisionList
311 * WebInstaller_Complete to WebInstallerComplete
312 * WebInstaller_Copying to WebInstallerCopying
313 * WebInstaller_DBConnect to WebInstallerDBConnect
314 * WebInstaller_DBSettings to WebInstallerDBSettings
315 * WebInstaller_Document to WebInstallerDocument
316 * WebInstaller_ExistingWiki to WebInstallerExistingWiki
317 * WebInstaller_Install to WebInstallerInstall
318 * WebInstaller_Language to WebInstallerLanguage
319 * WebInstaller_Name to WebInstallerName
320 * WebInstaller_Options to WebInstallerOptions
321 * WebInstaller_Readme to WebInstallerReadme
322 * WebInstaller_ReleaseNotes to WebInstallerReleaseNotes
323 * WebInstaller_Restart to WebInstallerRestart
324 * WebInstaller_Upgrade to WebInstallerUpgrade
325 * WebInstaller_UpgradeDoc to WebInstallerUpgradeDoc
326 * WebInstaller_Welcome to WebInstallerWelcome
328 ==== Removed classes ====
329 * IPBlockForm - Use SpecialBlock directly
330 * WatchlistEditor - Use SpecialEditWatchlist directly
331 * FormatExif - Use FormatMetadata directly
332 * RevertFileAction - Use RevertAction directly
333 * HistoryPage - Use HistoryAction directly
334 * RawPage - Use RawAction directly
335 * StubContLang - Use Language::factory() instead
336 * XMLReader2 - Use XMLReader directly
340 MediaWiki 1.24 requires PHP 5.3.2 or later.
342 MySQL is the recommended DBMS. PostgreSQL or SQLite can also be used, but
343 support for them is somewhat less mature. There is experimental support for
344 Oracle and Microsoft SQL Server.
346 The supported versions are:
348 * MySQL 5.0.2 or later
349 * PostgreSQL 8.3 or later
350 * SQLite 3.3.7 or later
351 * Oracle 9.0.1 or later
352 * Microsoft SQL Server 2005 (9.00.1399)
356 1.24 has several database changes since 1.23, and will not work without schema
357 updates. Note that due to changes to some very large tables like the revision
358 table, the schema update may take quite long (minutes on a medium sized site,
359 many hours on a large site).
361 If upgrading from before 1.11, and you are using a wiki as a commons
362 repository, make sure that it is updated as well. Otherwise, errors may arise
363 due to database schema changes.
365 If upgrading from before 1.7, you may want to run refreshLinks.php to ensure
366 new database fields are filled with data.
368 If you are upgrading from MediaWiki 1.4.x or earlier, you should upgrade to
369 1.5 first. The upgrade script maintenance/upgrade1_5.php has been removed
372 Don't forget to always back up your database before upgrading!
374 See the file UPGRADE for more detailed upgrade instructions.
376 For notes on 1.23.x and older releases, see HISTORY.
378 == Online documentation ==
380 Documentation for both end-users and site administrators is available on
381 MediaWiki.org, and is covered under the GNU Free Documentation License (except
382 for pages that explicitly state that their contents are in the public domain):
384 https://www.mediawiki.org/wiki/Documentation
388 A mailing list is available for MediaWiki user support and discussion:
390 https://lists.wikimedia.org/mailman/listinfo/mediawiki-l
392 A low-traffic announcements-only list is also available:
394 https://lists.wikimedia.org/mailman/listinfo/mediawiki-announce
396 It's highly recommended that you sign up for one of these lists if you're
397 going to run a public MediaWiki, so you can be notified of security fixes.
401 There's usually someone online in #mediawiki on irc.freenode.net.