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. In addition new user accounts' personal
  28   and talk pages are now watched by them by default.
  29 * $wgLBFactoryConf: Class names have had underscores removed. The configuration
  30   should be updated if LBFactory_Simple or LBFactory_Multi is configured.
  31 * $wgPasswordSenderName has been deprecated. To set a custom mailer name,
  32   the system message 'emailsender' should be modified (default: "{{SITENAME}}").
  33 * $wgDBAhandler was removed as the only class using it was also removed
  34
  35 === New features in 1.23 ===
  36 * ResourceLoader can utilize the Web Storage API to cache modules client-side.
  37   Compared to the browser cache, caching in Web Storage allows ResourceLoader
  38   to be more granular about evicting stale modules from the cache while
  39   retaining the ability to retrieve multiple modules in a single HTTP request.
  40   This capability can be enabled by setting $wgResourceLoaderStorageEnabled to
  41   true. This feature is currently considered experimental and should only be
  42   enabled with care.
  43 * (bug 6092) Add expensive parser functions {{REVISIONID:}}, {{REVISIONUSER:}}
  44   and {{REVISIONTIMESTAMP:}} (with friends).
  45 * Add "wgRelevantUserName" to mw.config containing the current
  46   Skin::getRelevantUser value.
  47 * (bug 56033) Add content model to the page information.
  48 * Added Article::MissingArticleConditions hook to give extensions a chance to
  49   hide their (unrelated) log entries.
  50 * Added LonelyPagesQuery hook to let extensions modify the query used to
  51   generate Special:LonelyPages.
  52 * Added $wgOpenSearchDefaultLimit defining the default number of entries to show
  53   on action=opensearch API call.
  54 * For namespaces with $wgNamespaceProtection (including the MediaWiki
  55   namespace), the "protect" tab will be shown only if there are restriction
  56   levels available that would restrict editing beyond what
  57   $wgNamespaceProtection already applies. The protection form will offer only
  58   those protection levels.
  59 * Added $wgAPIFormatModules, allowing extensions to add additional output
  60   formatting modules for the API.
  61 * (bug 47812) The MediaWiki:Group-user.{css,js} pages can now be used to add
  62   custom CSS or JavaScript enabled only for registered users.
  63 * (bug 52005) Special pages RecentChanges, RecentChangesLinked and Watchlist
  64   now include a legend describing the symbols used in lists of changes.
  65 * Improved the accessibility of the tabs in Special:Preferences.
  66 * Added ApiBeforeMain hook, roughly equivalent to the BeforeInitialize hook:
  67   it's called after everything is set up but before any major processing
  68   happens.
  69 * The jquery.client module now performs a component-wise version comparison in
  70   its #test method when strings are used in the browser map: version '1.10' is
  71   now correctly considered larger than '1.2'. Using numbers in the version map
  72   is not affected.
  73 * All API modules now support an assert parameter, which can either be
  74   'user' or 'bot'. The API will throw an error if the user is not logged
  75   in (user) or does not have the 'bot' userright (bot). Based off of the
  76   AssertEdit extension by Steve Sanbeg.
  77 * WikitextContent will now render redirects with the expected "redirect"
  78   header, rather than as an ordered list. Code calling Article::viewRedirect
  79   can probably be changed to no longer special-case redirects.
  80 * [[Special:Diff]] was added, allowing users to create internal links to
  81   revision comparison pages using syntax such as [[Special:Diff/12345]],
  82   [[Special:Diff/12345/prev]] or [[Special:Diff/12345/98765]].
  83 * New user accounts' personal and talk pages are now watched by them by default.
  84
  85 === Bug fixes in 1.23 ===
  86 * (bug 41759) The "updated since last visit" markers (on history pages, recent
  87   changes and watchlist) and the talk page message indicator are now correctly
  88   updated when the user is viewing old revisions of pages, instead of always
  89   acting as if the latest revision was being viewed.
  90 * (bug 56443) Special:ConfirmEmail no longer shows a "Mail a confirmation code"
  91   when the email address is already confirmed. Also, consistently use
  92   "confirmed", rather than "authenticated", when messaging whether or not the
  93   user has confirmed an email address.
  94 * (bug 56912) Show correct link color on cached result of Special:DeadendPages.
  95 * Classes TitleListDependency and TitleDependency have been removed, as they
  96   have been found unused in core and extensions for a long time.
  97 * (bug 57098) SpecialPasswordReset now obeys returnto parameter
  98 * (bug 37812) ResourceLoader will notice when a module's definition changes and
  99   recompile it accordingly.
 100 * (bug 57201) SpecialRecentChangesFilters hook is now executed for feeds.
 101 * (bug 58640) Fixed a compatibility issue with PCRE 8.34 that caused pages
 102   to appear blank or with missing text.
 103 * (bug 56931) Updated the plural rules to CLDR 24. They are in new format
 104   which is detailed in UTS 35 Rev 33. The PHP parser and evaluator as well as
 105   the JavaScript evaluator were updated to support the new format. Plural rules
 106   for some languages have changed, most notably Russian. Affected software
 107   messages have been updated and marked for review at translatewiki.net.
 108 * (bug 14323) Redirect pages, when viewed with redirect=no, no longer hide the
 109   remaining page content.
 110 * (bug 23542) imagelinks now stores both the redirect and target (as
 111   templatelinks does).
 112 * (bug 58167) The web installer no longer throws an exception when PHP is
 113   compiled without support for MySQL yet with support for another DBMS.
 114 * (bug 56199) Raw option of parser functions must now match complete word,
 115   to take effect.
 116
 117 === Web API changes in 1.23 ===
 118 * (bug 54884) action=parse&prop=categories now indicates hidden and missing
 119   categories.
 120 * action=query&meta=filerepoinfo now returns additional information for each
 121   repo.
 122 * action=parse&prop=languageshtml was deprecated in 1.18 and will be removed in
 123   MediaWiki 1.24.
 124 * action=parse now has disabletoc flag to disable table of contents in output.
 125 * (bug 25702) list=allcategories, list=allimages, list=alllinks, list=allpages,
 126   list=deletedrevs and list=filearchive did not handle case-sensitivity
 127   properly for all parameters.
 128 * ApiQueryBase::titlePartToKey allows an extra parameter that indicates the
 129   namespace in order to properly capitalize the title part.
 130 * (bug 57874) action=feedcontributions no longer has one item more than limit.
 131 * All API modules now support an assert parameter. See the new features section
 132   for more details.
 133 * Added prop=contributors to fetch the list of contributors to the page.
 134 * The following API modules will now return entries where fields have been
 135   revision-deleted: list=deletedrevs, list=filearchive, list=recentchanges,
 136   list=watchlist. "hidden" indicators will be included, in the same style as is
 137   already done for prop=revisions.
 138 * The following API modules will now return the content of revision-deleted
 139   fields, in addition to the "hidden" indicators, if the querying user has the
 140   necessary rights: list=logevents, list=usercontribs, prop=imageinfo,
 141   prop=revisions.
 142 * The above modules, where applicable, will now return entries filtered by
 143   revision-deleted fields if the querying user has the necessary rights. For
 144   example, prop=revisions with rvuser or rvexcludeuser will no longer skip
 145   revisions where the user was revision-deleted if the current user has the
 146   deletedhistory right.
 147 * The 'hideuser' right, used when blocking, is no longer necessary or
 148   sufficient for seeing contributions with revision-deleted in
 149   list=usercontribs.
 150 * list=watchlist now uses the querying user's rights rather than the wlowner's
 151   rights when checking whether wlprop=patrol is allowed.
 152
 153 === Languages updated in 1.23 ===
 154
 155 MediaWiki supports over 350 languages. Many localisations are updated
 156 regularly. Below only new and removed languages are listed, as well as
 157 changes to languages because of Bugzilla reports.
 158
 159 * Support was added for Northern Luri (lrc).
 160
 161 === Other changes in 1.23 ===
 162 * The rc_type field in the recentchanges table has been superseded by a new
 163   rc_source field.  The rc_source field is a string representation of the
 164   change type where rc_type was a numeric constant.  This field is not yet
 165   queried but will be in a future point release of 1.22.
 166 ** Utilize update.php to create and populate this new field.  On larger wiki's
 167    which do not wish to update recentchanges table in one large update please
 168    review the sql and comments in maintenance/archives/patch-rc_source.sql.
 169 ** The rc_type field of recentchanges will be deprecated in a future point
 170    release.
 171 * The global variable $wgArticle has been removed after a lengthy deprecation.
 172 * The global functions addButton and insertTags (for mw.toolbar.addButton and
 173   mw.toolbar.insertTags) now emits mw.log.warn when accessed.
 174 * The ExpandTemplates extension has been moved into MediaWiki core.
 175 * (bug 52812) Removed "Disable search suggestions" from Preference.
 176 * (bug 52809) Removed "Disable browser page caching" from Preference.
 177 * Three new modules intended for use by custom skins were added:
 178   'skins.common.elements', 'skins.common.content', and 'skins.common.interface',
 179   representing three levels of standard MediaWiki styling. Previously skin
 180   creators wishing to use them had to refer to the file names of appropriate
 181   files directly, which is now discouraged.
 182 * The modules 'skins.vector' and 'skins.monobook' have been renamed to
 183   'skins.vector.styles' and 'skins.monobook.styles', respectively,
 184   and their definition was changed not to include the common*.css files;
 185   the two skins now load the 'skins.common.interface' module instead.
 186 * A page_links_updated field has been added to the page table.
 187 * SpecialPage::getTitle has been deprecated in favor of
 188   SpecialPage::getPageTitle.
 189 * BREAKING CHANGE: Two potentially backwards-incompatible changes have been made
 190   to the 'SpecialWatchlistQuery' hook's last parameter (array $values) to make
 191   the hook more consistent with the 'SpecialRecentChangesQuery' one:
 192 ** Several array keys have been renamed: hideMinor → hideminor,
 193    hideBots → hidebots, hideAnons → hideanons, hideLiu → hideliu,
 194    hidePatrolled → hidepatrolled, hideOwn → hidemyself.
 195 ** The parameter value is now a FormOptions object, not a plain array (array
 196    access operators should continue to work, as it implements the ArrayAccess
 197    interface).
 198 * Option to mark hooks as deprecated has been added.
 199 * (bug 52811) Preference "Enable section editing via [edit] links" was removed.
 200 * (bug 52813) Preference "Show table of contents (for pages with more than
 201   3 headings)" was removed.
 202
 203 ==== Removed classes ====
 204 * FakeMemCachedClient (deprecated in 1.18)
 205 * RdfMetaData (unused)
 206 * TitleDependency (unused)
 207 * TitleListDependency (unused)
 208 * WikiError (deprecated in 1.17)
 209 * WikiXmlError (deprecated in 1.17)
 210 * WikiErrorMsg (deprecated in 1.17)
 211
 212 ==== Renamed classes ====
 213 * CdbReader_DBA to CdbReaderDBA
 214 * CdbReader_PHP to CdbReaderPHP
 215 * CdbWriter_DBA to CdbWriterDBA
 216 * CdbWriter_PHP to CdbWriterPHP
 217 * DiffOp_Add to DiffOpAdd
 218 * DiffOp_Change to DiffOpChange
 219 * DiffOp_Copy to DiffOpCopy
 220 * DiffOp_Delete to DiffOpDelete
 221 * HWLDF_WordAccumulator to HWLDFWordAccumulator
 222 * LBFactory_Fake to LBFactoryFake
 223 * LBFactory_Multi to LBFactoryMulti
 224 * LBFactory_Simple to LBFactorySimple
 225 * LBFactory_Single to LBFactorySingle
 226 * LCStore_Accel to LCStoreAccel
 227 * LCStore_CDB to LCStoreCDB
 228 * LCStore_DB to LCStoreDB
 229 * LCStore_Null to LCStoreNull
 230 * LoadBalancer_Single to LoadBalancerSingle
 231 * LoadMonitor_MySQL to LoadMonitorMySQL
 232 * LoadMonitor_Null to LoadMonitorNull
 233 * LocalisationCache_BulkLoad to LocalisationCacheBulkLoad
 234 * csvStatsOutput to CsvStatsOutput
 235 * extensionLanguages to ExtensionLanguages
 236 * languages to Languages
 237 * statsOutput to StatsOutput
 238 * textStatsOutput to TextStatsOutput
 239 * wikiStatsOutput to WikiStatsOutput
 240
 241 ==== Removed methods ====
 242 * ApiBase::getValidNamespaces() (deprecated in 1.17)
 243 * ApiMain::setCachePrivate() (deprecated in 1.17)
 244 * ApiMain::setVaryCookie (deprecated in 1.17)
 245 * Article::doRedirect() (deprecated in 1.18)
 246 * Article::doUnwatch() (deprecated in 1.18)
 247 * Article::doWatch() (deprecated in 1.18)
 248 * Article::forUpdate() (deprecated in 1.18)
 249 * Article::markpatrolled() (deprecated in 1.18)
 250 * Article::unwatch() (deprecated in 1.18)
 251 * Article::watch() (deprecated in 1.18)
 252 * Block::clear() (deprecated in 1.18)
 253 * Block::decodeExpiry() (deprecated in 1.18)
 254 * Block::encodeExpiry() (deprecated in 1.18)
 255 * Block::forUpdate() (deprecated in 1.18)
 256 * Block::infinity() (deprecated in 1.18)
 257 * Block::load() (deprecated in 1.18)
 258 * Block::newFromDB() (deprecated in 1.18)
 259 * Block::normaliseRange() (deprecated in 1.18)
 260 * Block::parseExpiryInput() (deprecated in 1.18)
 261 * CategoryViewer::addSubcategory() (deprecated in 1.17)
 262 * EditPage::spamPage() (deprecated since 1.17)
 263 * Exif::getFormattedData() (deprecated in 1.18)
 264 * Exif::makeFormattedData() (deprecated in 1.18)
 265 * in_string (deprecated in 1.21)
 266 * Language::convertLinkToAllVariants() (deprecated in 1.17)
 267 * LanguageConverter::convertLinkToAllVariants() (deprecated in 1.17)
 268 * Linker::makeBrokenLink() (deprecated in 1.16)
 269 * Linker::makeBrokenLinkObj() (deprecated in 1.16)
 270 * Linker::makeColouredLinkObj() (deprecated in 1.16)
 271 * Linker::makeSizeLinkObj() (deprecated in 1.17)
 272 * MediaWiki::articleFromTitle() (deprecated in 1.18)
 273 * ParserOptions::getkin() (deprecated 1.18)
 274 * ProfilerSimple::getCpuTime (deprecated in 1.20)
 275 * Revision::revText() (deprecated in 1.17)
 276 * SkinTemplate::jstext() (deprecated in 1.21)
 277 * SpecialPage::__call() (deprecated in 1.17)
 278 * SpecialPage::executePath() (deprecated in 1.18)
 279 * SpecialPage::exists() (deprecated in 1.18)
 280 * SpecialPage::file() (deprecated in 1.18)
 281 * SpecialPage::func() (deprecated in 1.18)
 282 * SpecialPage::getGroup() (deprecated in 1.18)
 283 * SpecialPage::getPage() (deprecated in 1.18)
 284 * SpecialPage::getPageByAlias() (deprecated in 1.18)
 285 * SpecialPage::getLocalNameFor() (deprecated in 1.18)
 286 * SpecialPage::getRegularPages() (deprecated in 1.18)
 287 * SpecialPage::getRestrictedPages() (deprecated in 1.18)
 288 * SpecialPage::getTitleForAlias() (deprecated in 1.18)
 289 * SpecialPage::getUsablePages() (deprecated in 1.18)
 290 * SpecialPage::includable() (deprecated in 1.18)
 291 * SpecialPage::init()
 292 * SpecialPage::initAliasList() (deprecated in 1.18)
 293 * SpecialPage::initList() (deprecated in 1.18)
 294 * SpecialPage::name() (deprecated in 1.18)
 295 * SpecialPage::removePage() (deprecated in 1.18)
 296 * SpecialPage::resolveAlias() (deprecated in 1.18)
 297 * SpecialPage::resolveAliasWithSubpage() (deprecated in 1.18)
 298 * SpecialPage::restriction() (deprecated in 1.18)
 299 * SpecialPage::setGroup() (deprecated in 1.18)
 300 * SpecialRecentChanges::feedSetup()
 301 * SpecialRevisionDelete::extractBitField() (deprecated in 1.22)
 302 * User::getPageRenderingHash() (deprecated in 1.17)
 303 * WebRequest::getFileSize() (deprecated in 1.17)
 304 * WebRequest::isPathInfoBad() (deprecated in 1.17)
 305 * wfGenerateToken (deprecated in 1.20)
 306 * wfStreamFile (deprecated in 1.19)
 307 * wfUILang (deprecated in 1.18)
 308 * WikiPage::createUpdates() (deprecated in 1.18)
 309 * WikiPage::quickEdit() (deprecated in 1.18)
 310 * WikiPage::useParserCache() (deprecated in 1.18)
 311 * WikiPage::viewUpdates() (deprecated in 1.18)
 312
 313 ==== Removed globals ====
 314 * $wgBetterDirectionality (deprecated in 1.18)
 315
 316 == Compatibility ==
 317
 318 MediaWiki 1.23 requires PHP 5.3.2 or later.
 319
 320 MySQL is the recommended DBMS. PostgreSQL or SQLite can also be used, but
 321 support for them is somewhat less mature. There is experimental support for
 322 Oracle.
 323
 324 The supported versions are:
 325
 326 * MySQL 5.0.2 or later
 327 * PostgreSQL 8.3 or later
 328 * SQLite 3.3.7 or later
 329 * Oracle 9.0.1 or later
 330
 331 == Upgrading ==
 332
 333 1.23 has several database changes since 1.22, and will not work without schema
 334 updates. Note that due to changes to some very large tables like the revision
 335 table, the schema update may take quite long (minutes on a medium sized site,
 336 many hours on a large site).
 337
 338 If upgrading from before 1.11, and you are using a wiki as a commons
 339 repository, make sure that it is updated as well. Otherwise, errors may arise
 340 due to database schema changes.
 341
 342 If upgrading from before 1.7, you may want to run refreshLinks.php to ensure
 343 new database fields are filled with data.
 344
 345 If you are upgrading from MediaWiki 1.4.x or earlier, you should upgrade to
 346 1.5 first. The upgrade script maintenance/upgrade1_5.php has been removed
 347 with MediaWiki 1.21.
 348
 349 Don't forget to always back up your database before upgrading!
 350
 351 See the file UPGRADE for more detailed upgrade instructions.
 352
 353 For notes on 1.21.x and older releases, see HISTORY.
 354
 355 == Online documentation ==
 356
 357 Documentation for both end-users and site administrators is available on
 358 MediaWiki.org, and is covered under the GNU Free Documentation License (except
 359 for pages that explicitly state that their contents are in the public domain):
 360
 361         https://www.mediawiki.org/wiki/Documentation
 362
 363 == Mailing list ==
 364
 365 A mailing list is available for MediaWiki user support and discussion:
 366
 367         https://lists.wikimedia.org/mailman/listinfo/mediawiki-l
 368
 369 A low-traffic announcements-only list is also available:
 370
 371         https://lists.wikimedia.org/mailman/listinfo/mediawiki-announce
 372
 373 It's highly recommended that you sign up for one of these lists if you're
 374 going to run a public MediaWiki, so you can be notified of security fixes.
 375
 376 == IRC help ==
 377
 378 There's usually someone online in #mediawiki on irc.freenode.net.