RELEASE-NOTES-1.23

   1 Security reminder: MediaWiki does not require PHP's register_globals. If you
   2 have it on, turn it '''off''' if you can.
   3
   4 == MediaWiki 1.23 ==
   5
   6 THIS IS NOT A RELEASE YET
   7
   8 MediaWiki 1.23 is an alpha-quality branch and is not recommended for use in
   9 production.
  10
  11 === Configuration changes in 1.23 ===
  12 * $wgDebugLogGroups values may be set to an associative array with a
  13   'destination' key specifying the log destination. The array may also contain
  14   a 'sample' key with a positive integer value N indicating that the log group
  15   should be sampled by dispatching one in every N messages on average. The
  16   sampling is random.
  17 * In addition to the current exception log format, MediaWiki now serializes
  18   exception metadata to JSON and logs it to the 'exception-json' log group.
  19   This makes MediaWiki easier to integrate with log aggregation and analysis
  20   tools.
  21 * $wgSquidServersNoPurge now supports the use of Classless Inter-Domain
  22   Routing (CIDR) notation to specify contiguous blocks of IPv4 and/or IPv6
  23   addresses that should be trusted to provide X-Forwarded-For headers.
  24 * Preferences 'watchcreations', 'watchdefault', 'enotifwatchlistpages' ("Add
  25   pages I create and files I upload to my watchlist", "Add pages and files I
  26   edit to my watchlist", "Email me when a page or file on my watchlist is
  27   changed") are now enabled by default.
  28 * $wgLBFactoryConf: Class names have had underscores removed. The configuration
  29   should be updated if LBFactory_Simple or LBFactory_Multi is configured.
  30 * $wgPasswordSenderName has been deprecated. To set a custom mailer name,
  31   the system message 'emailsender' should be modified (default: "{{SITENAME}}").
  32 * $wgDBAhandler was removed as the only class using it was also removed
  33
  34 === New features in 1.23 ===
  35 * ResourceLoader can utilize the Web Storage API to cache modules client-side.
  36   Compared to the browser cache, caching in Web Storage allows ResourceLoader
  37   to be more granular about evicting stale modules from the cache while
  38   retaining the ability to retrieve multiple modules in a single HTTP request.
  39   This capability can be enabled by setting $wgResourceLoaderStorageEnabled to
  40   true. This feature is currently considered experimental and should only be
  41   enabled with care.
  42 * (bug 6092) Add expensive parser functions {{REVISIONID:}}, {{REVISIONUSER:}}
  43   and {{REVISIONTIMESTAMP:}} (with friends).
  44 * Add "wgRelevantUserName" to mw.config containing the current
  45   Skin::getRelevantUser value.
  46 * (bug 56033) Add content model to the page information.
  47 * Added Article::MissingArticleConditions hook to give extensions a chance to
  48   hide their (unrelated) log entries.
  49 * Added LonelyPagesQuery hook to let extensions modify the query used to
  50   generate Special:LonelyPages.
  51 * Added $wgOpenSearchDefaultLimit defining the default number of entries to show
  52   on action=opensearch API call.
  53 * For namespaces with $wgNamespaceProtection (including the MediaWiki
  54   namespace), the "protect" tab will be shown only if there are restriction
  55   levels available that would restrict editing beyond what
  56   $wgNamespaceProtection already applies. The protection form will offer only
  57   those protection levels.
  58 * Added $wgAPIFormatModules, allowing extensions to add additional output
  59   formatting modules for the API.
  60 * (bug 47812) The MediaWiki:Group-user.{css,js} pages can now be used to add
  61   custom CSS or JavaScript enabled only for registered users.
  62 * (bug 52005) Special pages RecentChanges, RecentChangesLinked and Watchlist
  63   now include a legend describing the symbols used in lists of changes.
  64 * Improved the accessibility of the tabs in Special:Preferences.
  65 * Added ApiBeforeMain hook, roughly equivalent to the BeforeInitialize hook:
  66   it's called after everything is set up but before any major processing
  67   happens.
  68 * The jquery.client module now performs a component-wise version comparison in
  69   its #test method when strings are used in the browser map: version '1.10' is
  70   now correctly considered larger than '1.2'. Using numbers in the version map
  71   is not affected.
  72 * All API modules now support an assert parameter, which can either be
  73   'user' or 'bot'. The API will throw an error if the user is not logged
  74   in (user) or does not have the 'bot' userright (bot). Based off of the
  75   AssertEdit extension by Steve Sanbeg.
  76 * WikitextContent will now render redirects with the expected "redirect"
  77   header, rather than as an ordered list. Code calling Article::viewRedirect
  78   can probably be changed to no longer special-case redirects.
  79 * [[Special:Diff]] was added, allowing users to create internal links to
  80   revision comparison pages using syntax such as [[Special:Diff/12345]],
  81   [[Special:Diff/12345/prev]] or [[Special:Diff/12345/98765]].
  82
  83 === Bug fixes in 1.23 ===
  84 * (bug 41759) The "updated since last visit" markers (on history pages, recent
  85   changes and watchlist) and the talk page message indicator are now correctly
  86   updated when the user is viewing old revisions of pages, instead of always
  87   acting as if the latest revision was being viewed.
  88 * (bug 56443) Special:ConfirmEmail no longer shows a "Mail a confirmation code"
  89   when the email address is already confirmed. Also, consistently use
  90   "confirmed", rather than "authenticated", when messaging whether or not the
  91   user has confirmed an email address.
  92 * (bug 56912) Show correct link color on cached result of Special:DeadendPages.
  93 * Classes TitleListDependency and TitleDependency have been removed, as they
  94   have been found unused in core and extensions for a long time.
  95 * (bug 57098) SpecialPasswordReset now obeys returnto parameter
  96 * (bug 37812) ResourceLoader will notice when a module's definition changes and
  97   recompile it accordingly.
  98 * (bug 57201) SpecialRecentChangesFilters hook is now executed for feeds.
  99 * (bug 58640) Fixed a compatibility issue with PCRE 8.34 that caused pages
 100   to appear blank or with missing text.
 101 * (bug 56931) Updated the plural rules to CLDR 24. They are in new format
 102   which is detailed in UTS 35 Rev 33. The PHP parser and evaluator as well as
 103   the JavaScript evaluator were updated to support the new format. Plural rules
 104   for some languages have changed, most notably Russian. Affected software
 105   messages have been updated and marked for review at translatewiki.net.
 106 * (bug 14323) Redirect pages, when viewed with redirect=no, no longer hide the
 107   remaining page content.
 108 * (bug 23542) imagelinks now stores both the redirect and target (as
 109   templatelinks does).
 110 * (bug 58167) The web installer no longer throws an exception when PHP is
 111   compiled without support for MySQL yet with support for another DBMS.
 112 * (bug 56199) Raw option of parser functions must now match complete word,
 113   to take effect.
 114
 115 === Web API changes in 1.23 ===
 116 * (bug 54884) action=parse&prop=categories now indicates hidden and missing
 117   categories.
 118 * action=query&meta=filerepoinfo now returns additional information for each
 119   repo.
 120 * action=parse&prop=languageshtml was deprecated in 1.18 and will be removed in
 121   MediaWiki 1.24.
 122 * action=parse now has disabletoc flag to disable table of contents in output.
 123 * (bug 25702) list=allcategories, list=allimages, list=alllinks, list=allpages,
 124   list=deletedrevs and list=filearchive did not handle case-sensitivity
 125   properly for all parameters.
 126 * ApiQueryBase::titlePartToKey allows an extra parameter that indicates the
 127   namespace in order to properly capitalize the title part.
 128 * (bug 57874) action=feedcontributions no longer has one item more than limit.
 129 * All API modules now support an assert parameter. See the new features section
 130   for more details.
 131 * Added prop=contributors to fetch the list of contributors to the page.
 132 * The following API modules will now return entries where fields have been
 133   revision-deleted: list=deletedrevs, list=filearchive, list=recentchanges,
 134   list=watchlist. "hidden" indicators will be included, in the same style as is
 135   already done for prop=revisions.
 136 * The following API modules will now return the content of revision-deleted
 137   fields, in addition to the "hidden" indicators, if the querying user has the
 138   necessary rights: list=logevents, list=usercontribs, prop=imageinfo,
 139   prop=revisions.
 140 * The above modules, where applicable, will now return entries filtered by
 141   revision-deleted fields if the querying user has the necessary rights. For
 142   example, prop=revisions with rvuser or rvexcludeuser will no longer skip
 143   revisions where the user was revision-deleted if the current user has the
 144   deletedhistory right.
 145 * The 'hideuser' right, used when blocking, is no longer necessary or
 146   sufficient for seeing contributions with revision-deleted in
 147   list=usercontribs.
 148 * list=watchlist now uses the querying user's rights rather than the wlowner's
 149   rights when checking whether wlprop=patrol is allowed.
 150
 151 === Languages updated in 1.23 ===
 152
 153 MediaWiki supports over 350 languages. Many localisations are updated
 154 regularly. Below only new and removed languages are listed, as well as
 155 changes to languages because of Bugzilla reports.
 156
 157 * Support was added for Northern Luri (lrc).
 158
 159 === Other changes in 1.23 ===
 160 * The rc_type field in the recentchanges table has been superseded by a new
 161   rc_source field.  The rc_source field is a string representation of the
 162   change type where rc_type was a numeric constant.  This field is not yet
 163   queried but will be in a future point release of 1.22.
 164 ** Utilize update.php to create and populate this new field.  On larger wiki's
 165    which do not wish to update recentchanges table in one large update please
 166    review the sql and comments in maintenance/archives/patch-rc_source.sql.
 167 ** The rc_type field of recentchanges will be deprecated in a future point
 168    release.
 169 * The global variable $wgArticle has been removed after a lengthy deprecation.
 170 * The global functions addButton and insertTags (for mw.toolbar.addButton and
 171   mw.toolbar.insertTags) now emits mw.log.warn when accessed.
 172 * The ExpandTemplates extension has been moved into MediaWiki core.
 173 * (bug 52812) Removed "Disable search suggestions" from Preference.
 174 * (bug 52809) Removed "Disable browser page caching" from Preference.
 175 * Three new modules intended for use by custom skins were added:
 176   'skins.common.elements', 'skins.common.content', and 'skins.common.interface',
 177   representing three levels of standard MediaWiki styling. Previously skin
 178   creators wishing to use them had to refer to the file names of appropriate
 179   files directly, which is now discouraged.
 180 * The modules 'skins.vector' and 'skins.monobook' have been renamed to
 181   'skins.vector.styles' and 'skins.monobook.styles', respectively,
 182   and their definition was changed not to include the common*.css files;
 183   the two skins now load the 'skins.common.interface' module instead.
 184 * A page_links_updated field has been added to the page table.
 185 * SpecialPage::getTitle has been deprecated in favor of
 186   SpecialPage::getPageTitle.
 187 * BREAKING CHANGE: Two potentially backwards-incompatible changes have been made
 188   to the 'SpecialWatchlistQuery' hook's last parameter (array $values) to make
 189   the hook more consistent with the 'SpecialRecentChangesQuery' one:
 190 ** Several array keys have been renamed: hideMinor → hideminor,
 191    hideBots → hidebots, hideAnons → hideanons, hideLiu → hideliu,
 192    hidePatrolled → hidepatrolled, hideOwn → hidemyself.
 193 ** The parameter value is now a FormOptions object, not a plain array (array
 194    access operators should continue to work, as it implements the ArrayAccess
 195    interface).
 196 * Option to mark hooks as deprecated has been added.
 197 * (bug 52811) Preference "Enable section editing via [edit] links" was removed.
 198 * (bug 52813) Preference "Show table of contents (for pages with more than
 199   3 headings)" was removed.
 200
 201 ==== Removed classes ====
 202 * FakeMemCachedClient (deprecated in 1.18)
 203 * RdfMetaData (unused)
 204 * TitleDependency (unused)
 205 * TitleListDependency (unused)
 206 * WikiError (deprecated in 1.17)
 207 * WikiXmlError (deprecated in 1.17)
 208 * WikiErrorMsg (deprecated in 1.17)
 209
 210 ==== Renamed classes ====
 211 * CdbReader_DBA to CdbReaderDBA
 212 * CdbReader_PHP to CdbReaderPHP
 213 * CdbWriter_DBA to CdbWriterDBA
 214 * CdbWriter_PHP to CdbWriterPHP
 215 * DiffOp_Add to DiffOpAdd
 216 * DiffOp_Change to DiffOpChange
 217 * DiffOp_Copy to DiffOpCopy
 218 * DiffOp_Delete to DiffOpDelete
 219 * HWLDF_WordAccumulator to HWLDFWordAccumulator
 220 * LBFactory_Fake to LBFactoryFake
 221 * LBFactory_Multi to LBFactoryMulti
 222 * LBFactory_Simple to LBFactorySimple
 223 * LBFactory_Single to LBFactorySingle
 224 * LCStore_Accel to LCStoreAccel
 225 * LCStore_CDB to LCStoreCDB
 226 * LCStore_DB to LCStoreDB
 227 * LCStore_Null to LCStoreNull
 228 * LoadBalancer_Single to LoadBalancerSingle
 229 * LoadMonitor_MySQL to LoadMonitorMySQL
 230 * LoadMonitor_Null to LoadMonitorNull
 231 * LocalisationCache_BulkLoad to LocalisationCacheBulkLoad
 232 * csvStatsOutput to CsvStatsOutput
 233 * extensionLanguages to ExtensionLanguages
 234 * languages to Languages
 235 * statsOutput to StatsOutput
 236 * textStatsOutput to TextStatsOutput
 237 * wikiStatsOutput to WikiStatsOutput
 238
 239 ==== Removed methods ====
 240 * ApiBase::getValidNamespaces() (deprecated in 1.17)
 241 * ApiMain::setCachePrivate() (deprecated in 1.17)
 242 * ApiMain::setVaryCookie (deprecated in 1.17)
 243 * Article::doRedirect() (deprecated in 1.18)
 244 * Article::doUnwatch() (deprecated in 1.18)
 245 * Article::doWatch() (deprecated in 1.18)
 246 * Article::forUpdate() (deprecated in 1.18)
 247 * Article::markpatrolled() (deprecated in 1.18)
 248 * Article::unwatch() (deprecated in 1.18)
 249 * Article::watch() (deprecated in 1.18)
 250 * Block::clear() (deprecated in 1.18)
 251 * Block::decodeExpiry() (deprecated in 1.18)
 252 * Block::encodeExpiry() (deprecated in 1.18)
 253 * Block::forUpdate() (deprecated in 1.18)
 254 * Block::infinity() (deprecated in 1.18)
 255 * Block::load() (deprecated in 1.18)
 256 * Block::newFromDB() (deprecated in 1.18)
 257 * Block::normaliseRange() (deprecated in 1.18)
 258 * Block::parseExpiryInput() (deprecated in 1.18)
 259 * CategoryViewer::addSubcategory() (deprecated in 1.17)
 260 * EditPage::spamPage() (deprecated since 1.17)
 261 * Exif::getFormattedData() (deprecated in 1.18)
 262 * Exif::makeFormattedData() (deprecated in 1.18)
 263 * in_string (deprecated in 1.21)
 264 * Language::convertLinkToAllVariants() (deprecated in 1.17)
 265 * LanguageConverter::convertLinkToAllVariants() (deprecated in 1.17)
 266 * Linker::makeBrokenLink() (deprecated in 1.16)
 267 * Linker::makeBrokenLinkObj() (deprecated in 1.16)
 268 * Linker::makeColouredLinkObj() (deprecated in 1.16)
 269 * Linker::makeSizeLinkObj() (deprecated in 1.17)
 270 * MediaWiki::articleFromTitle() (deprecated in 1.18)
 271 * ParserOptions::getkin() (deprecated 1.18)
 272 * ProfilerSimple::getCpuTime (deprecated in 1.20)
 273 * Revision::revText() (deprecated in 1.17)
 274 * SkinTemplate::jstext() (deprecated in 1.21)
 275 * SpecialPage::__call() (deprecated in 1.17)
 276 * SpecialPage::executePath() (deprecated in 1.18)
 277 * SpecialPage::exists() (deprecated in 1.18)
 278 * SpecialPage::file() (deprecated in 1.18)
 279 * SpecialPage::func() (deprecated in 1.18)
 280 * SpecialPage::getGroup() (deprecated in 1.18)
 281 * SpecialPage::getPage() (deprecated in 1.18)
 282 * SpecialPage::getPageByAlias() (deprecated in 1.18)
 283 * SpecialPage::getLocalNameFor() (deprecated in 1.18)
 284 * SpecialPage::getRegularPages() (deprecated in 1.18)
 285 * SpecialPage::getRestrictedPages() (deprecated in 1.18)
 286 * SpecialPage::getTitleForAlias() (deprecated in 1.18)
 287 * SpecialPage::getUsablePages() (deprecated in 1.18)
 288 * SpecialPage::includable() (deprecated in 1.18)
 289 * SpecialPage::init()
 290 * SpecialPage::initAliasList() (deprecated in 1.18)
 291 * SpecialPage::initList() (deprecated in 1.18)
 292 * SpecialPage::name() (deprecated in 1.18)
 293 * SpecialPage::removePage() (deprecated in 1.18)
 294 * SpecialPage::resolveAlias() (deprecated in 1.18)
 295 * SpecialPage::resolveAliasWithSubpage() (deprecated in 1.18)
 296 * SpecialPage::restriction() (deprecated in 1.18)
 297 * SpecialPage::setGroup() (deprecated in 1.18)
 298 * SpecialRecentChanges::feedSetup()
 299 * SpecialRevisionDelete::extractBitField() (deprecated in 1.22)
 300 * User::getPageRenderingHash() (deprecated in 1.17)
 301 * WebRequest::getFileSize() (deprecated in 1.17)
 302 * WebRequest::isPathInfoBad() (deprecated in 1.17)
 303 * wfGenerateToken (deprecated in 1.20)
 304 * wfStreamFile (deprecated in 1.19)
 305 * wfUILang (deprecated in 1.18)
 306 * WikiPage::createUpdates() (deprecated in 1.18)
 307 * WikiPage::quickEdit() (deprecated in 1.18)
 308 * WikiPage::useParserCache() (deprecated in 1.18)
 309 * WikiPage::viewUpdates() (deprecated in 1.18)
 310
 311 ==== Removed globals ====
 312 * $wgBetterDirectionality (deprecated in 1.18)
 313
 314 == Compatibility ==
 315
 316 MediaWiki 1.23 requires PHP 5.3.2 or later.
 317
 318 MySQL is the recommended DBMS. PostgreSQL or SQLite can also be used, but
 319 support for them is somewhat less mature. There is experimental support for
 320 Oracle.
 321
 322 The supported versions are:
 323
 324 * MySQL 5.0.2 or later
 325 * PostgreSQL 8.3 or later
 326 * SQLite 3.3.7 or later
 327 * Oracle 9.0.1 or later
 328
 329 == Upgrading ==
 330
 331 1.23 has several database changes since 1.22, and will not work without schema
 332 updates. Note that due to changes to some very large tables like the revision
 333 table, the schema update may take quite long (minutes on a medium sized site,
 334 many hours on a large site).
 335
 336 If upgrading from before 1.11, and you are using a wiki as a commons
 337 repository, make sure that it is updated as well. Otherwise, errors may arise
 338 due to database schema changes.
 339
 340 If upgrading from before 1.7, you may want to run refreshLinks.php to ensure
 341 new database fields are filled with data.
 342
 343 If you are upgrading from MediaWiki 1.4.x or earlier, you should upgrade to
 344 1.5 first. The upgrade script maintenance/upgrade1_5.php has been removed
 345 with MediaWiki 1.21.
 346
 347 Don't forget to always back up your database before upgrading!
 348
 349 See the file UPGRADE for more detailed upgrade instructions.
 350
 351 For notes on 1.21.x and older releases, see HISTORY.
 352
 353 == Online documentation ==
 354
 355 Documentation for both end-users and site administrators is available on
 356 MediaWiki.org, and is covered under the GNU Free Documentation License (except
 357 for pages that explicitly state that their contents are in the public domain):
 358
 359         https://www.mediawiki.org/wiki/Documentation
 360
 361 == Mailing list ==
 362
 363 A mailing list is available for MediaWiki user support and discussion:
 364
 365         https://lists.wikimedia.org/mailman/listinfo/mediawiki-l
 366
 367 A low-traffic announcements-only list is also available:
 368
 369         https://lists.wikimedia.org/mailman/listinfo/mediawiki-announce
 370
 371 It's highly recommended that you sign up for one of these lists if you're
 372 going to run a public MediaWiki, so you can be notified of security fixes.
 373
 374 == IRC help ==
 375
 376 There's usually someone online in #mediawiki on irc.freenode.net.