RELEASE-NOTES-1.29

   1 == MediaWiki 1.29 ==
   2
   3 THIS IS NOT A RELEASE YET
   4
   5 MediaWiki 1.29 is an alpha-quality branch and is not recommended for use in
   6 production.
   7
   8 === Configuration changes in 1.29 ===
   9 * Default cookie expiration time has been reduced to 30 days. Login cookie
  10   expiration time is kept at 180 days.
  11 * A new configuration variable has been added: $wgCookieSetOnAutoblock. This
  12   determines whether to set a cookie when a user is autoblocked. Doing so means
  13   that a blocked user, even after logging out and moving to a new IP address,
  14   will still be blocked.
  15 * The resetpassword right and associated password reset capture feature has
  16   been removed.
  17 * The $error parameter to the EmailUser hook should be set to a Status object
  18   or boolean false. This should be compatible with at least MediaWiki 1.23 if
  19   not earlier. Returning a raw HTML string is now deprecated.
  20 * The $message parameter to the ApiCheckCanExecute hook should be set to an
  21   ApiMessage. This is compatible with MediaWiki 1.27 and later. Returning a
  22   code for ApiBase::parseMsg() will no longer work.
  23 * ApiBase::$messageMap is no longer public. Code attempting to access it will
  24   result in a PHP fatal error.
  25 * $wgUserEmailUseReplyTo is now true by default to work around restrictive DMARC
  26   policies.
  27 * Subpages are now enabled by default in the Template namespace. Set
  28   $wgNamespacesWithSubpages[NS_TEMPLATE] to false to keep the old behavior.
  29 * $wgRunJobsAsync is now false by default (T142751). This change only affects
  30   wikis with $wgJobRunRate > 0.
  31 * A temporary feature flag, $wgDisableUserGroupExpiry, is provided to disable
  32   new features that rely on the schema changes to the user_groups table. This
  33   feature flag will likely be removed before 1.29 is released.
  34 * (T158474) "Unknown user" has been added to $wgReservedUsernames.
  35 * (T156983) $wgRateLimitsExcludedIPs now accepts CIDR ranges as well as single IPs.
  36
  37 === New features in 1.29 ===
  38 * (T5233) A cookie can now be set when a user is autoblocked, to track that user
  39   if they move to a new IP address. This is disabled by default.
  40 * Added ILocalizedException interface to standardize the use of localized
  41   exceptions, largely so the API can handle them more sensibly.
  42 * Blocks created automatically by MediaWiki, such as for configured proxies or
  43   dnsbls, are now indicated as such and use a new i18n message when displayed.
  44 * Added new $wgHTTPImportTimeout setting. Sets timeout for
  45   downloading the XML dump during a transwiki import in seconds.
  46 * Parser limit report is now available in machine-readable format to JavaScript
  47   via mw.config.get('wgPageParseReport').
  48 * Added $wgSoftBlockRanges, to allow for automatically blocking anonymous edits
  49   from certain IP ranges (e.g. private IPs).
  50 * (T59603) Added new magic word {{PAGELANGUAGE}} which returns the language code
  51   of the page being parsed.
  52 * HTML5 form validation attributes will no longer be suppressed. Originally
  53   browsers had poor support for them, but modern browsers handle them fine.
  54   This might affect some forms that used them and only worked because the
  55   attributes were not actually being set.
  56 * Expiry times can now be specified when users are added to user groups.
  57
  58 === External library changes in 1.29 ===
  59
  60 ==== Upgraded external libraries ====
  61 * Added wikimedia/timestamp v1.0.0.
  62 * Updated QUnit from v1.22.0 to v1.23.1.
  63 * Updated cssjanus from v1.1.2 to 1.1.3.
  64 * Updated psr/log from v1.0.0 to v1.0.2.
  65 * Update Moment.js from v2.8.4 to v2.15.0.
  66
  67 ==== New external libraries ====
  68
  69 ==== Removed and replaced external libraries ====
  70
  71 === Bug fixes in 1.29 ===
  72 * (T62604) Core parser functions returning a number now format the number according
  73   to the page content language, not wiki content language.
  74 * (T27187) Search suggestions based on jquery.suggestions will now correctly only
  75   highlight prefix matches in the results.
  76 * (T157035) "new mw.Uri()" was ignoring options when using default URI.
  77
  78 === Action API changes in 1.29 ===
  79 * Submitting sensitive authentication request parameters to action=login,
  80   action=clientlogin, action=createaccount, action=linkaccount, and
  81   action=changeauthenticationdata in the query string is now an error. They
  82   should be submitted in the POST body instead.
  83 * The capture option for action=resetpassword has been removed
  84 * action=clearhasmsg now requires a POST.
  85 * (T47843) API errors and warnings may be requested in non-English languages
  86   using the new 'errorformat', 'errorlang', and 'errorsuselocal' parameters.
  87 * API error codes may have changed. Most notably, errors from modules using
  88   parameter prefixes (e.g. all query submodules) will no longer be prefixed.
  89 * ApiPageSet-using modules will report the 'invalidreason' using the specified
  90   'errorformat'.
  91 * action=emailuser may return a "Warnings" status, and now returns 'warnings' and
  92   'errors' subelements (as applicable) instead of 'message'.
  93 * action=imagerotate returns an 'errors' subelement rather than 'errormessage'.
  94 * action=move now reports errors when moving the talk page as an array under
  95   key 'talkmove-errors', rather than using 'talkmove-error-code' and
  96   'talkmove-error-info'. The format for subpage move errors has also changed.
  97 * action=revisiondelete no longer includes a "rendered" property on warnings
  98   and errors for each item. Use errorformat=wikitext if you're wanting parsed
  99   output.
 100 * action=rollback no longer returns a "messageHtml" property. Use
 101   errorformat=html if you're wanting HTML formatting of error messages.
 102 * action=upload now reports optional stash failures as an array under key
 103   'stasherrors' rather than a 'stashfailed' text string.
 104 * action=watch reports 'errors' and 'warnings' instead of a single 'error', and
 105   no longer returns a 'message' on success.
 106 * Added action=validatepassword to validate passwords for the account creation
 107   and password change forms.
 108 * action=purge now requires a POST.
 109 * There is a new `languagevariants` siprop for action=query&meta=siteinfo,
 110   which returns a list of languages with active LanguageConverter instances.
 111
 112 === Action API internal changes in 1.29 ===
 113 * New methods were added to ApiBase to handle errors and warnings using i18n
 114   keys. Methods for using hard-coded English messages were deprecated:
 115   * ApiBase::dieUsage() was deprecated
 116   * ApiBase::dieUsageMsg() was deprecated
 117   * ApiBase::dieUsageMsgOrDebug() was deprecated
 118   * ApiBase::getErrorFromStatus() was deprecated
 119   * ApiBase::parseMsg() was deprecated
 120   * ApiBase::setWarning() was deprecated
 121 * ApiBase::$messageMap is no longer public. Code attempting to access it will
 122   result in a PHP fatal error.
 123 * The $message parameter to the ApiCheckCanExecute hook should be set to an
 124   ApiMessage. This is compatible with MediaWiki 1.27 and later. Returning a
 125   code for ApiBase::parseMsg() will no longer work.
 126 * UsageException is deprecated in favor of ApiUsageException. For the time
 127   being ApiUsageException is a subclass of UsageException to allow things that
 128   catch only UsageException to still function properly.
 129 * If, for some strange reason, code was using an ApiErrorFormatter instead of
 130   ApiErrorFormatter_BackCompat, note that the result format has changed and
 131   various methods now take a module path rather than a module name.
 132 * ApiMessageTrait::getApiCode() now strips 'apierror-' and 'apiwarn-' prefixes
 133   from the message key, and maps some message keys for backwards compatibility.
 134
 135 === Languages updated in 1.29 ===
 136
 137 MediaWiki supports over 350 languages. Many localisations are updated
 138 regularly. Below only new and removed languages are listed, as well as
 139 changes to languages because of Phabricator reports.
 140
 141 * Based as always on linguistic studies on intelligibility and language
 142   knowledge by geography, language fallbacks have been expanded. When a
 143   translation is missing in the user's preferred interface language, the
 144   corresponding translation for the fallback language will be used instead.
 145   English will only be used as last resort when there are no translations.
 146   Some configurations (such as date formats and gender namespaces) have also
 147   been updated when using the fallback language's configuration was inadequate.
 148   The new or reinstated language fallbacks are (after cs ↔ sk in 1.28):
 149   ca ↔ oc; hsb ↔ dsb; io → eo; mdf → ru; pnt → el; roa-tara → it; rup → ro;
 150   sh → bs, sr-el, hr.
 151 * (T155957) Talk Namespaces for Javanese language (jv) have been updated.
 152
 153 ==== No fallback for Ukrainian ====
 154 * (T39314) The fallback from Ukrainian to Russian was removed. The Ukrainian
 155   language will now use the default fallback language: English. When a translation
 156   to Ukrainian is not available, an English string will be shown.
 157
 158 === Other changes in 1.29 ===
 159 * Database::getSearchEngine() (deprecated in 1.28) was removed. Use
 160   SearchEngineFactory::getSearchEngineClass() instead.
 161 * $wgSessionsInMemcached (deprecated in 1.20) was removed. No replacement is
 162   required as all sessions are stored in Object Cache now.
 163 * MWHttpRequest::execute() should be considered to return a StatusValue; the
 164   Status return type is deprecated.
 165 * User::edits() (deprecated in 1.21) was removed.
 166 * Xml::escapeJsString() (deprecated in 1.21) was removed.
 167 * Article::getText() and Article::prepareTextForEdit() (deprecated in 1.21)
 168   were removed.
 169 * Article::getAutosummary() and WikiPage::getAutosummary() (deprecated in 1.21)
 170   were removed.
 171 * Hook ArticleViewCustom (deprecated in 1.21) was removed. Use ArticleContentViewCustom
 172   instead.
 173 * Hooks EditPageGetDiffText and ShowRawCssJs (deprecated in 1.21) were removed.
 174 * Class RevisiondeleteAction (deprecated in 1.25) was removed.
 175 * WikiPage::prepareTextForEdit() (deprecated in 1.21) was removed.
 176 * WikiPage::getText() (deprecated in 1.21) was removed.
 177 * Article::fetchContent() (deprecated in 1.21) was removed.
 178 * User::getPassword() (deprecated in 1.27) was removed.
 179 * User::getTemporaryPassword() (deprecated in 1.27) was removed.
 180 * User::isPasswordReminderThrottled() (deprecated in 1.27) was removed.
 181 * Class FSRepo (deprecated in 1.19) was removed.
 182 * WebRequest::checkSessionCookie() (deprecated in 1.27) was removed. Use
 183   \MediaWiki\Session\SessionManager::singleton()->getPersistedSessionId() instead.
 184 * Class ImageGallery (deprecated in 1.22) was removed.
 185   Use ImageGalleryBase::factory instead.
 186 * Title::moveNoAuth() (deprecated in 1.25) was removed. Use MovePage class instead.
 187 * Hook UnknownAction (deprecated in 1.19) was actually deprecated (it will now
 188   emit warnings). Create a subclass of Action and add it to $wgActions instead.
 189 * WikiRevision::getText() (deprecated since 1.21) is no longer marked deprecated.
 190 * Linker::getInterwikiLinkAttributes() (deprecated since 1.25) was removed.
 191 * Linker::getInternalLinkAttributes() (deprecated since 1.25) was removed.
 192 * Linker::getInternalLinkAttributesObj() (deprecated since 1.25) was removed.
 193 * Linker::getLinkAttributesInternal() (deprecated since 1.25) was removed.
 194 * RedisConnectionPool::handleException (deprecated since 1.23) was removed.
 195 * The static properties mw.Api.errors and mw.Api.warnings, containing incomplete
 196   and outdated lists of errors/warnings returned by the API, are now deprecated.
 197 * wiki.phtml entry point was removed.  Refer to index.php instead. If you want "wiki.phtml"
 198   URLs to continue to work, set up redirects. In Apache, this can be done by enabling
 199   mod_rewrite and adding the following rules to your configuration:
 200
 201     RewriteEngine On
 202     RewriteBase /
 203     RewriteRule ^/w/wiki\.phtml$ /w/index.php [R=301,L]
 204 * Hook ArticleAfterFetchContent (deprecated in 1.21) was removed.
 205   Use ArticleAfterFetchContentObject instead.
 206 * Hook ArticleInsertComplete (deprecated in 1.21) was removed.
 207   Use PageContentInsertComplete instead.
 208 * Hook ArticleSave (deprecated in 1.21) was removed.
 209   Use PageContentSave instead.
 210 * Hook ArticleSaveComplete (deprecated in 1.21) was removed.
 211   Use PageContentSaveComplete instead.
 212 * Hook EditFilterMerged (deprecated in 1.21) was removed.
 213   Use EditFilterMergedContent instead.
 214 * Hook EditPageGetPreviewText (deprecated in 1.21) was removed.
 215   Use EditPageGetPreviewContent instead.
 216 * Hook TitleIsCssOrJsPage (deprecated in 1.21) was removed.
 217   Use ContentHandlerDefaultModelFor instead.
 218 * Hook TitleIsWikitextPage (deprecated in 1.21) was removed.
 219   Use ContentHandlerDefaultModelFor instead.
 220 * Article::getContent() (deprecated in 1.21) was removed.
 221 * Revision::getText() (deprecated in 1.21) was removed.
 222 * Article::doEdit() and WikiPage::doEdit() (deprecated in 1.21) were removed.
 223 * Parser::replaceUnusualEscapes() (deprecated in 1.24) was removed.
 224 * Article::doEditContent() was marked as deprecated, to be removed in 1.30
 225   or later.
 226 * ContentHandler::runLegacyHooks() was removed.
 227 * refreshLinks.php now can be limited to a particular category with --category=...
 228   or a tracking category with --tracking-category=...
 229 * User-like objects that are passed to SpecialUserRights and its subclasses are
 230   now required to have a getGroupMemberships() method. See UserRightsProxy for
 231   an example.
 232 * User::$mGroups (instance variable) was marked private. Use User::getGroups()
 233   instead.
 234 * User::getGroupName(), User::getGroupMember(), User:getGroupPage(),
 235   User::makeGroupLinkHTML(), and User::makeGroupLinkWiki() were deprecated.
 236   Use equivalent methods on the UserGroupMembership class.
 237 * Maintenance scripts and tests that call User::addGroup() must now ensure that
 238   User objects have been added to the database prior to calling addGroup().
 239 * Protected function UsersPager::getGroups() was removed, and protected function
 240   UsersPager::buildGroupLink() was changed from a static to an instance method.
 241 * The third parameter ($cache) to the UsersPagerDoBatchLookups hook was changed;
 242   see docs/hooks.txt.
 243 * User::crypt() (deprecated in 1.24) was removed.
 244 * User::comparePasswords() (deprecated in 1.24) was removed.
 245 * ArchivedFile::getUserText() (deprecated in 1.23) was removed.
 246 * HTMLFileCache::newFromTitle() (deprecated in 1.24) was removed.
 247
 248 == Compatibility ==
 249
 250 MediaWiki 1.29 requires PHP 5.5.9 or later. There is experimental support for
 251 HHVM 3.6.5 or later.
 252
 253 MySQL is the recommended DBMS. PostgreSQL or SQLite can also be used, but
 254 support for them is somewhat less mature. There is experimental support for
 255 Oracle and Microsoft SQL Server.
 256
 257 The supported versions are:
 258
 259 * MySQL 5.0.3 or later
 260 * PostgreSQL 8.3 or later
 261 * SQLite 3.3.7 or later
 262 * Oracle 9.0.1 or later
 263 * Microsoft SQL Server 2005 (9.00.1399)
 264
 265 == Upgrading ==
 266
 267 1.29 has several database changes since 1.28, and will not work without schema
 268 updates. Note that due to changes to some very large tables like the revision
 269 table, the schema update may take quite long (minutes on a medium sized site,
 270 many hours on a large site).
 271
 272 If upgrading from before 1.11, and you are using a wiki as a commons
 273 repository, make sure that it is updated as well. Otherwise, errors may arise
 274 due to database schema changes.
 275
 276 If upgrading from before 1.7, you may want to run refreshLinks.php to ensure
 277 new database fields are filled with data.
 278
 279 If you are upgrading from MediaWiki 1.4.x or earlier, you should upgrade to
 280 1.5 first. The upgrade script maintenance/upgrade1_5.php has been removed
 281 with MediaWiki 1.21.
 282
 283 Don't forget to always back up your database before upgrading!
 284
 285 See the file UPGRADE for more detailed upgrade instructions.
 286
 287 For notes on 1.28.x and older releases, see HISTORY.
 288
 289 == Online documentation ==
 290
 291 Documentation for both end-users and site administrators is available on
 292 MediaWiki.org, and is covered under the GNU Free Documentation License (except
 293 for pages that explicitly state that their contents are in the public domain):
 294
 295        https://www.mediawiki.org/wiki/Special:MyLanguage/Documentation
 296
 297 == Mailing list ==
 298
 299 A mailing list is available for MediaWiki user support and discussion:
 300
 301        https://lists.wikimedia.org/mailman/listinfo/mediawiki-l
 302
 303 A low-traffic announcements-only list is also available:
 304
 305        https://lists.wikimedia.org/mailman/listinfo/mediawiki-announce
 306
 307 It's highly recommended that you sign up for one of these lists if you're
 308 going to run a public MediaWiki, so you can be notified of security fixes.
 309
 310 == IRC help ==
 311
 312 There's usually someone online in #mediawiki on irc.freenode.net.