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' and 'watchdefault' ("Add pages I create and files
  25   I upload to my watchlist", "Add pages and files I edit to my watchlist") are
  26   now enabled by default.
  27 * $wgLBFactoryConf: Class names have had underscores removed. The configuration
  28   should be updated if LBFactory_Simple or LBFactory_Multi is configured.
  29 * $wgPasswordSenderName has been deprecated. To set a custom mailer name,
  30   the system message 'emailsender' should be modified (default: "{{SITENAME}}").
  31
  32 === New features in 1.23 ===
  33 * ResourceLoader can utilize the Web Storage API to cache modules client-side.
  34   Compared to the browser cache, caching in Web Storage allows ResourceLoader
  35   to be more granular about evicting stale modules from the cache while
  36   retaining the ability to retrieve multiple modules in a single HTTP request.
  37   This capability can be enabled by setting $wgResourceLoaderStorageEnabled to
  38   true. This feature is currently considered experimental and should only be
  39   enabled with care.
  40 * (bug 6092) Add expensive parser functions {{REVISIONID:}}, {{REVISIONUSER:}}
  41   and {{REVISIONTIMESTAMP:}} (with friends).
  42 * Add "wgRelevantUserName" to mw.config containing the current
  43   Skin::getRelevantUser value.
  44 * (bug 56033) Add content model to the page information.
  45 * Added Article::MissingArticleConditions hook to give extensions a chance to
  46   hide their (unrelated) log entries.
  47 * Added $wgOpenSearchDefaultLimit defining the default number of entries to show
  48   on action=opensearch API call.
  49 * For namespaces with $wgNamespaceProtection (including the MediaWiki
  50   namespace), the "protect" tab will be shown only if there are restriction
  51   levels available that would restrict editing beyond what
  52   $wgNamespaceProtection already applies. The protection form will offer only
  53   those protection levels.
  54 * Added $wgAPIFormatModules, allowing extensions to add additional output
  55   formatting modules for the API.
  56 * (bug 47812) The MediaWiki:Group-user.{css,js} pages can now be used to add
  57   custom CSS or JavaScript enabled only for registered users.
  58 * (bug 52005) Special pages RecentChanges, RecentChangesLinked and Watchlist
  59   now include a legend describing the symbols used in lists of changes.
  60 * Improved the accessibility of the tabs in Special:Preferences.
  61 * Added ApiBeforeMain hook, roughly equivalent to the BeforeInitialize hook:
  62   it's called after everything is set up but before any major processing
  63   happens.
  64 * The jquery.client module now performs a component-wise version comparison in
  65   its #test method when strings are used in the browser map: version '1.10' is
  66   now correctly considered larger than '1.2'. Using numbers in the version map
  67   is not affected.
  68
  69 === Bug fixes in 1.23 ===
  70 * (bug 41759) The "updated since last visit" markers (on history pages, recent
  71   changes and watchlist) and the talk page message indicator are now correctly
  72   updated when the user is viewing old revisions of pages, instead of always
  73   acting as if the latest revision was being viewed.
  74 * (bug 56443) Special:ConfirmEmail no longer shows a "Mail a confirmation code"
  75   when the email address is already confirmed. Also, consistently use
  76   "confirmed", rather than "authenticated", when messaging whether or not the
  77   user has confirmed an email address.
  78 * (bug 56912) Show correct link color on cached result of Special:DeadendPages.
  79 * Classes TitleListDependency and TitleDependency have been removed, as they
  80   have been found unused in core and extensions for a long time.
  81 * (bug 57098) SpecialPasswordReset now obeys returnto parameter
  82 * (bug 37812) ResourceLoader will notice when a module's definition changes and
  83   recompile it accordingly.
  84 * (bug 57201) SpecialRecentChangesFilters hook is now executed for feeds.
  85 * (bug 58640) Fixed a compatibility issue with PCRE 8.34 that caused pages
  86   to appear blank or with missing text.
  87
  88 === Web API changes in 1.23 ===
  89 * (bug 54884) action=parse&prop=categories now indicates hidden and missing
  90   categories.
  91 * action=query&meta=filerepoinfo now returns additional information for each
  92   repo.
  93 * action=parse&prop=languageshtml was deprecated in 1.18 and will be removed in
  94   MediaWiki 1.24.
  95 * action=parse now has disabletoc flag to disable table of contents in output.
  96 * (bug 25702) list=allcategories, list=allimages, list=alllinks, list=allpages,
  97   list=deletedrevs and list=filearchive did not handle case-sensitivity
  98   properly for all parameters.
  99 * ApiQueryBase::titlePartToKey allows an extra parameter that indicates the
 100   namespace in order to properly capitalize the title part.
 101 * (bug 57874) action=feedcontributions no longer has one item more than limit.
 102
 103 === Languages updated in 1.23 ===
 104
 105 MediaWiki supports over 350 languages. Many localisations are updated
 106 regularly. Below only new and removed languages are listed, as well as
 107 changes to languages because of Bugzilla reports.
 108
 109 * Support was added for Northern Luri (lrc).
 110
 111 === Other changes in 1.23 ===
 112 * The rc_type field in the recentchanges table has been superseded by a new
 113   rc_source field.  The rc_source field is a string representation of the
 114   change type where rc_type was a numeric constant.  This field is not yet
 115   queried but will be in a future point release of 1.22.
 116 ** Utilize update.php to create and populate this new field.  On larger wiki's
 117    which do not wish to update recentchanges table in one large update please
 118    review the sql and comments in maintenance/archives/patch-rc_source.sql.
 119 ** The rc_type field of recentchanges will be deprecated in a future point
 120    release.
 121 * The global variable $wgArticle has been removed after a lengthy deprecation.
 122 * The global functions addButton and insertTags (for mw.toolbar.addButton and
 123   mw.toolbar.insertTags) now emits mw.log.warn when accessed.
 124 * The ExpandTemplates extension has been moved into MediaWiki core.
 125 * (bug 52812) Removed "Disable search suggestions" from Preference.
 126 * (bug 52809) Removed "Disable browser page caching" from Preference.
 127 * Three new modules intended for use by custom skins were added:
 128   'skins.common.elements', 'skins.common.content', and 'skins.common.interface',
 129   representing three levels of standard MediaWiki styling. Previously skin
 130   creators wishing to use them had to refer to the file names of appropriate
 131   files directly, which is now discouraged.
 132 * The modules 'skins.vector' and 'skins.monobook' have been renamed to
 133   'skins.vector.styles' and 'skins.monobook.styles', respectively,
 134   and their definition was changed not to include the common*.css files;
 135   the two skins now load the 'skins.common.interface' module instead.
 136 * A page_links_updated field has been added to the page table.
 137 * SpecialPage::getTitle has been deprecated in favor of
 138   SpecialPage::getPageTitle.
 139
 140 ==== Removed classes ====
 141 * TitleDependency
 142 * TitleListDependency
 143
 144 ==== Renamed classes ====
 145 * CdbReader_DBA to CdbReaderDBA
 146 * CdbReader_PHP to CdbReaderPHP
 147 * CdbWriter_DBA to CdbWriterDBA
 148 * CdbWriter_PHP to CdbWriterPHP
 149 * DiffOp_Add to DiffOpAdd
 150 * DiffOp_Change to DiffOpChange
 151 * DiffOp_Copy to DiffOpCopy
 152 * DiffOp_Delete to DiffOpDelete
 153 * HWLDF_WordAccumulator to HWLDFWordAccumulator
 154 * LBFactory_Fake to LBFactoryFake
 155 * LBFactory_Multi to LBFactoryMulti
 156 * LBFactory_Simple to LBFactorySimple
 157 * LBFactory_Single to LBFactorySingle
 158 * LCStore_Accel to LCStoreAccel
 159 * LCStore_CDB to LCStoreCDB
 160 * LCStore_DB to LCStoreDB
 161 * LCStore_Null to LCStoreNull
 162 * LoadBalancer_Single to LoadBalancerSingle
 163 * LoadMonitor_MySQL to LoadMonitorMySQL
 164 * LoadMonitor_Null to LoadMonitorNull
 165 * LocalisationCache_BulkLoad to LocalisationCacheBulkLoad
 166 * csvStatsOutput to CsvStatsOutput
 167 * extensionLanguages to ExtensionLanguages
 168 * languages to Languages
 169 * statsOutput to StatsOutput
 170 * textStatsOutput to TextStatsOutput
 171 * wikiStatsOutput to WikiStatsOutput
 172
 173 ==== Removed methods ====
 174 * EditPage::spamPage() (deprecated since 1.17)
 175 * Exif::getFormattedData() (deprecated in 1.18)
 176 * Exif::makeFormattedData() (deprecated in 1.18)
 177 * Language::convertLinkToAllVariants() (deprecated in 1.17)
 178 * LanguageConverter::convertLinkToAllVariants() (deprecated in 1.17)
 179 * Linker::makeBrokenLink() (deprecated in 1.16)
 180 * Linker::makeBrokenLinkObj() (deprecated in 1.16)
 181 * Linker::makeColouredLinkObj() (deprecated in 1.16)
 182 * Linker::makeSizeLinkObj() (deprecated in 1.17)
 183 * ProfilerSimple::getCpuTime (deprecated in 1.20)
 184 * Revision::revText() (deprecated in 1.17)
 185 * SkinTemplate::jstext() (deprecated in 1.21)
 186 * SpecialRecentChanges::feedSetup()
 187 * SpecialRevisionDelete::extractBitField() (deprecated in 1.22)
 188 * User::getPageRenderingHash() (deprecated in 1.17)
 189 * WikiPage::quickEdit() (deprecated in 1.18)
 190 * WikiPage::useParserCache() (deprecated in 1.18)
 191 * WikiPage::viewUpdates() (deprecated in 1.18)
 192
 193 == Compatibility ==
 194
 195 MediaWiki 1.23 requires PHP 5.3.2 or later.
 196
 197 MySQL is the recommended DBMS. PostgreSQL or SQLite can also be used, but
 198 support for them is somewhat less mature. There is experimental support for
 199 Oracle.
 200
 201 The supported versions are:
 202
 203 * MySQL 5.0.2 or later
 204 * PostgreSQL 8.3 or later
 205 * SQLite 3.3.7 or later
 206 * Oracle 9.0.1 or later
 207
 208 == Upgrading ==
 209
 210 1.23 has several database changes since 1.22, and will not work without schema
 211 updates. Note that due to changes to some very large tables like the revision
 212 table, the schema update may take quite long (minutes on a medium sized site,
 213 many hours on a large site).
 214
 215 If upgrading from before 1.11, and you are using a wiki as a commons
 216 repository, make sure that it is updated as well. Otherwise, errors may arise
 217 due to database schema changes.
 218
 219 If upgrading from before 1.7, you may want to run refreshLinks.php to ensure
 220 new database fields are filled with data.
 221
 222 If you are upgrading from MediaWiki 1.4.x or earlier, you should upgrade to
 223 1.5 first. The upgrade script maintenance/upgrade1_5.php has been removed
 224 with MediaWiki 1.21.
 225
 226 Don't forget to always back up your database before upgrading!
 227
 228 See the file UPGRADE for more detailed upgrade instructions.
 229
 230 For notes on 1.21.x and older releases, see HISTORY.
 231
 232 == Online documentation ==
 233
 234 Documentation for both end-users and site administrators is available on
 235 MediaWiki.org, and is covered under the GNU Free Documentation License (except
 236 for pages that explicitly state that their contents are in the public domain):
 237
 238         https://www.mediawiki.org/wiki/Documentation
 239
 240 == Mailing list ==
 241
 242 A mailing list is available for MediaWiki user support and discussion:
 243
 244         https://lists.wikimedia.org/mailman/listinfo/mediawiki-l
 245
 246 A low-traffic announcements-only list is also available:
 247
 248         https://lists.wikimedia.org/mailman/listinfo/mediawiki-announce
 249
 250 It's highly recommended that you sign up for one of these lists if you're
 251 going to run a public MediaWiki, so you can be notified of security fixes.
 252
 253 == IRC help ==
 254
 255 There's usually someone online in #mediawiki on irc.freenode.net.