RELEASE-NOTES-1.30

   1 == MediaWiki 1.30 ==
   2
   3 THIS IS NOT A RELEASE YET
   4
   5 MediaWiki 1.30 is an alpha-quality branch and is not recommended for use in
   6 production.
   7
   8 === MySQL version requirement in 1.30 ===
   9 As of 1.30, MediaWiki now requires MySQL 5.5.8 or higher (see Compatibility
  10 section).
  11
  12 === Configuration changes in 1.30 ===
  13 * The "C.UTF-8" locale should be used for $wgShellLocale, if available, to avoid
  14   unexpected behavior when code uses locale-sensitive string comparisons. For
  15   example, the Scribunto extension considers "bar" < "Foo" in most locales
  16   since it ignores case.
  17 * $wgShellLocale now affects LC_ALL rather than only LC_CTYPE. See
  18   documentation of $wgShellLocale for details.
  19 * $wgShellLocale is now applied for all requests. wfInitShellLocale() is
  20   deprecated and a no-op, as it is no longer needed.
  21 * $wgJobClasses may now specify callback functions as an alternative to plain
  22   class names. This is intended for extensions that want control over the
  23   instantiation of their jobs, to allow for proper dependency injection.
  24 * $wgResourceModules may now specify callback functions as an alternative
  25   to plain class names, using the 'factory' key in the module description
  26   array. This allows dependency injection to be used for ResourceLoader modules.
  27 * $wgExceptionHooks has been removed.
  28 * (T45547) $wgUsePigLatinVariant added (off by default).
  29 * (T152540) MediaWiki now supports a section ID escaping style that allows to display
  30   non-Latin characters verbatim on many modern browsers. This is controlled by the
  31   new configuration setting, $wgFragmentMode.
  32 * $wgExperimentalHtmlIds is now deprecated and will be removed in a future version,
  33   use $wgFragmentMode to migrate off it to a modern alternative.
  34 * $wgExternalInterwikiFragmentMode was introduced to control how fragments in
  35   sinterwikis going outside of current wiki farm are encoded.
  36 * (T120333) Soft-deprecated the use of PHP extension 'mysql' in favor of 'mysqli'.
  37   This PHP extension was deprecated in PHP 5.5 and removed in PHP 7.0. MediaWiki
  38   auto-selects the 'mysqli' driver since MediaWiki 1.22, except if explicitly
  39   requested through the configuration parameter $wgDBservers.
  40 * $wgOOUIEditPage was removed, as it is now the default. This was documented as a
  41   temporary variable during the migration period.
  42
  43 === New features in 1.30 ===
  44 * (T37247) Output from Parser::parse() will now be wrapped in a div with
  45   class="mw-parser-output" by default. This may be changed or disabled using
  46   ParserOptions::setWrapOutputClass().
  47 * Added 'ChangeTagsAllowedAdd' hook, enabling extensions to allow software-
  48   specific tags to be added by users.
  49 * Added a 'ParserOptionsRegister' hook to allow extensions to register
  50   additional parser options.
  51 * (T45547) Included Pig Latin, a language game in English, as a
  52   LanguageConverter variant.  This allows English-speaking developers
  53   to develop and test LanguageConverter more easily.  Pig Latin can be
  54   enabled by setting $wgUsePigLatinVariant to true.
  55 * Added RecentChangesPurgeRows hook to allow extensions to purge data that
  56   depends on the recentchanges table.
  57 * Added JS config values wgDiffOldId/wgDiffNewId to the output of diff pages.
  58 * (T2424) Added direct unwatch links to entries in Special:Watchlist (if the
  59   'watchlistunwatchlinks' preference option is enabled). With JavaScript
  60   enabled, these links toggle so the user can also re-watch pages that have
  61   just been unwatched.
  62 * Added $wgParserTestMediaHandlers, where mock media handlers can be passed to
  63   MediaHandlerFactory for parser tests.
  64 * Edit summaries, block reasons, and other "comments" are now stored in a
  65   separate database table. Use the CommentFormatter class to access them.
  66 ** This is currently gated by $wgCommentTableSchemaMigrationStage. Most wikis
  67    can set this to MIGRATION_NEW and run maintenance/migrateComments.php as
  68    soon as any necessary extensions are updated.
  69
  70 === External library changes in 1.30 ===
  71
  72 ==== Upgraded external libraries ====
  73 * mediawiki/mediawiki-codesniffer updated to 0.8.1.
  74 * wikimedia/composer-merge-plugin updated to 1.4.1.
  75
  76 ==== New external libraries ====
  77 * The class \TestingAccessWrapper has been moved to the external library
  78   wikimedia/testing-access-wrapper and renamed \Wikimedia\TestingAccessWrapper.
  79
  80 ==== Removed and replaced external libraries ====
  81 * …
  82
  83 === Bug fixes in 1.30 ===
  84 * (T151633) Ordered list items use now Devanagari digits in Nepalese
  85   (thanks to Sfic)
  86
  87 === Action API changes in 1.30 ===
  88 * (T37247) action=parse output will be wrapped in a div with
  89   class="mw-parser-output" by default. This may be changed or disabled using
  90   the new 'wrapoutputclass' parameter.
  91 * When errorformat is not 'bc', abort reasons from action=login will be
  92   formatted as specified by the error formatter parameters.
  93 * action=compare can now handle arbitrary text, deleted revisions, and
  94   returning users and edit comments.
  95 * (T164106) The 'rvdifftotext', 'rvdifftotextpst', 'rvdiffto',
  96   'rvexpandtemplates', 'rvgeneratexml', 'rvparse', and 'rvprop=parsetree'
  97   parameters to prop=revisions are deprecated, as are the similarly named
  98   parameters to prop=deletedrevisions, list=allrevisions, and
  99   list=alldeletedrevisions. Use action=compare, action=parse, or
 100   action=expandtemplates instead.
 101
 102 === Action API internal changes in 1.30 ===
 103 * ApiBase::getDescriptionMessage() and the "apihelp-*-description" messages are
 104   deprecated. The existing message should be split between "apihelp-*-summary"
 105   and "apihelp-*-extended-description".
 106 * (T123931) Individual values of multi-valued parameters can now be marked as
 107   deprecated.
 108
 109 === Languages updated in 1.30 ===
 110 MediaWiki supports over 350 languages. Many localisations are updated
 111 regularly. Below only new and removed languages are listed, as well as
 112 changes to languages because of Phabricator reports.
 113
 114 * Added: kbp (Kabɩyɛ / Kabiyè)
 115 * Added: skr (Saraiki, سرائیکی)
 116 * Added: tay (Tayal / Atayal)
 117
 118 ==== Pig Latin added ====
 119 * (T45547) Added Pig Latin, a made-up English variant (en-x-piglatin),
 120   for easier variant development and testing. Disabled by default. It can be
 121   enabled by setting $wgUsePigLatinVariant to true.
 122
 123 === Other changes in 1.30 ===
 124 * The use of an associative array for $wgProxyList, where the IP address is in
 125   the key instead of the value, is deprecated (e.g. [ '127.0.0.1' => 'value' ]).
 126   Please convert these arrays to indexed/sequential ones (e.g. [ '127.0.0.1' ]).
 127 * mw.user.bucket (deprecated in 1.23) was removed.
 128 * LoadBalancer::getServerInfo() and LoadBalancer::setServerInfo() are
 129   deprecated. There are no known callers.
 130 * File::getStreamHeaders() was deprecated.
 131 * MediaHandler::getStreamHeaders() was deprecated.
 132 * Title::canTalk() was deprecated. The new Title::canHaveTalkPage() should be
 133   used instead.
 134 * MWNamespace::canTalk() was deprecated. The new MWNamespace::hasTalkNamespace()
 135   should be used instead.
 136 * The ExtractThumbParameters hook (deprecated in 1.21) was removed.
 137 * The OutputPage::addParserOutputNoText and ::getHeadLinks methods (both
 138   deprecated in 1.24) were removed.
 139 * wfMemcKey() and wfGlobalCacheKey() were deprecated. BagOStuff::makeKey() and
 140   BagOStuff::makeGlobalKey() should be used instead.
 141 * (T146304) Preprocessor handling of LanguageConverter markup has been improved.
 142   As a result of the new uniform handling, '-{' may need to be escaped
 143   (for example, as '-<nowiki/>{') where it occurs inside template arguments
 144   or wikilinks.
 145 * (T163966) Page moves are now counted as edits for the purposes of
 146   autopromotion, i.e., they increment the user_editcount field in the database.
 147 * Two new hooks, LogEventsListLineEnding and NewPagesLineEnding, were added for
 148   manipulating Special:Log and Special:NewPages lines.
 149 * The OldChangesListRecentChangesLine, EnhancedChangesListModifyLineData,
 150   PageHistoryLineEnding, ContributionsLineEnding and DeletedContributionsLineEnding
 151   hooks have an additional parameter, for manipulating HTML data attributes of
 152   RC/history lines. EnhancedChangesListModifyBlockLineData can do that via the
 153   $data['attribs'] subarray.
 154 * (T130632) The OutputPage::enableTOC() method was removed.
 155 * WikiPage::getParserOutput() will now throw an exception if passed
 156   ParserOptions that would pollute the parser cache. Callers should use
 157   WikiPage::makeParserOptions() to create the ParserOptions object and only
 158   change options that affect the parser cache key.
 159 * Article::viewRedirect() is deprecated.
 160 * IP::isValidBlock() was deprecated. Use the equivalent IP::isValidRange().
 161 * DeprecatedGlobal no longer supports passing in a direct value, it requires a
 162   callable factory function or a class name.
 163 * The $parserMemc global, wfGetParserCacheStorage(), and ParserCache::singleton()
 164   are all deprecated. The main ParserCache instance should be obtained from
 165   MediaWikiServices instead. Access to the underlying BagOStuff is possible
 166   through the new ParserCache::getCacheStorage() method.
 167 * .mw-ui-constructive CSS class (deprecated in 1.27) was removed.
 168 * Sanitizer::escapeId() was deprecated, use escapeIdForAttribute(),
 169   escapeIdForLink() or escapeIdForExternalInterwiki() instead.
 170 * Title::escapeFragmentForURL() was deprecated, use one of the aforementioned
 171   Sanitizer functions or, if possible, Title::getFragmentForURL().
 172 * Second parameter to Sanitizer::escapeIdReferenceList() ($options) now does
 173   nothing and is deprecated.
 174 * mw.util.escapeId() was deprecated, use escapeIdForAttribute() or
 175   escapeIdForLink().
 176 * MagicWord::replaceMultiple() (deprecated in 1.25) was removed.
 177 * WikiImporter now requires the second parameter to be an instance of the Config,
 178   class. Prior to that, the Config parameter was optional (a behavior deprecated in
 179   1.25).
 180 * Removed 'jquery.mwExtension' module. (deprecated since 1.26)
 181 * mediawiki.ui: Deprecate greys, which are not part of WikimediaUI color palette
 182   any more.
 183 * CdbReader, CdbWriter, CdbException classes (deprecated in 1.25) were removed.
 184   The namespaced classes in the Cdb namespace should be used instead.
 185 * IPSet class (deprecated in 1.26) was removed. The namespaced IPSet\IPSet
 186   should be used instead.
 187 * RunningStat class (deprecated in 1.27) was removed. The namespaced
 188   RunningStat\RunningStat should be used instead.
 189 * MWMemcached and MemCachedClientforWiki classes (deprecated in 1.27) were removed.
 190   The MemcachedClient class should be used instead.
 191 * EditPage::isOouiEnabled() is deprecated and will always return true.
 192 * Parser::getRandomString() (deprecated in 1.26) was removed.
 193 * Parser::uniqPrefix() (deprecated in 1.26) was removed.
 194 * Parser::extractTagsAndParams() now only accepts three arguments. The fourth,
 195   $uniq_prefix was deprecated in 1.26 and has now been removed.
 196 * (T172514) The following tables have had their UNIQUE indexes turned into proper
 197   PRIMARY KEYs for increased maintainability: categorylinks, imagelinks, iwlinks,
 198   langlinks, log_search, module_deps, objectcache, pagelinks, query_cache, site_stats,
 199   templatelinks, text, transcache, user_former_groups, user_properties.
 200 * IDatabase::nextSequenceValue() is no longer needed by any database backends
 201   (formerly it was needed by PostgreSQL and Oracle), and is now deprecated.
 202
 203 == Compatibility ==
 204 MediaWiki 1.30 requires PHP 5.5.9 or later. There is experimental support for
 205 HHVM 3.6.5 or later.
 206
 207 MySQL/MariaDB is the recommended DBMS. PostgreSQL or SQLite can also be used,
 208 but support for them is somewhat less mature. There is experimental support for
 209 Oracle and Microsoft SQL Server.
 210
 211 The supported versions are:
 212
 213 * MySQL 5.5.8 or later
 214 * PostgreSQL 8.3 or later
 215 * SQLite 3.3.7 or later
 216 * Oracle 9.0.1 or later
 217 * Microsoft SQL Server 2005 (9.00.1399)
 218
 219 == Upgrading ==
 220 1.30 has several database changes since 1.29, and will not work without schema
 221 updates. Note that due to changes to some very large tables like the revision
 222 table, the schema update may take a long time (minutes on a medium sized site,
 223 many hours on a large site).
 224
 225 Don't forget to always back up your database before upgrading!
 226
 227 See the file UPGRADE for more detailed upgrade instructions, including
 228 important information when upgrading from versions prior to 1.11.
 229
 230 For notes on 1.29.x and older releases, see HISTORY.
 231
 232 == Online documentation ==
 233 Documentation for both end-users and site administrators is available on
 234 MediaWiki.org, and is covered under the GNU Free Documentation License (except
 235 for pages that explicitly state that their contents are in the public domain):
 236
 237        https://www.mediawiki.org/wiki/Special:MyLanguage/Documentation
 238
 239 == Mailing list ==
 240 A mailing list is available for MediaWiki user support and discussion:
 241
 242        https://lists.wikimedia.org/mailman/listinfo/mediawiki-l
 243
 244 A low-traffic announcements-only list is also available:
 245
 246        https://lists.wikimedia.org/mailman/listinfo/mediawiki-announce
 247
 248 It's highly recommended that you sign up for one of these lists if you're
 249 going to run a public MediaWiki, so you can be notified of security fixes.
 250
 251 == IRC help ==
 252 There's usually someone online in #mediawiki on irc.freenode.net.