* $wgRateLimitLog was removed; use $wgDebugLogGroups['ratelimit'] instead.
* Deprecated API formats dbg, txt, and yaml have been removed.
* CLDRPluralRule* classes have been replaced with wikimedia/cldr-plural-rule-parser.
+* Removed $wgProfilePerHost, $wgUDPProfilerHost, $wgUDPProfilerPort,
+ $wgUDPProfilerFormatString, $wgStatsMethod, $wgAggregateStatsID, $wgStatsFormatString,
+ and $wgProfileCallTree (deprecated since 1.20).
+* For proper operation of LocalIdLookup with shared user tables, ensure that
+ $wgSharedDB and $wgSharedTables are properly set even on the "central" wiki
+ that all others are sharing from and that $wgLocalDatabases is set to the
+ full list of sharing wikis on all those wikis.
=== New features in 1.27 ===
* $wgDataCenterId and $wgDataCenterRoles where added, which will serve as
* Added MWTimestamp::getTimezoneString() which returns the localized timezone
string, if available. To localize this string, see the comments of
$wgLocaltimezone in includes/DefaultSettings.php.
-
-== External libraries ==
-=== Upgraded external libraries ===
-
-=== New external libraries ===
-* Added wikimedia/cldr-plural-rule-parser v1.0.0
+* Added CentralIdLookup, a service that allows extensions needing a concept of
+ "central" users to get that without having to know about specific central
+ authentication extensions.
+* $wgMaxUserDBWriteDuration added to limit huge user-generated transactions.
+ Regular web request transactions that takes longer than this are aborted.
+* Added a new hook, 'TitleMoveCompleting', which runs before a page move is committed.
+* $wgCdnReboundPurgeDelay was added to provide secondary delayed purges of URLs
+ from CDN to mitigate DB replication lag and WAN cache purge lag.
+
+=== External library changes in 1.27 ===
+==== Upgraded external libraries ====
+* Updated oojs/oojs-ui from v0.12.12 to v0.13.3.
+* Updated composer/semver from v1.0.0 to v1.2.0.
+* Update liuggio/statsd-php-client to 1.0.18.
+
+==== New external libraries ====
+* Added wikimedia/base-convert v1.0.1.
+* Added wikimedia/cldr-plural-rule-parser v1.0.0.
+* Added wikimedia/relpath v1.0.3.
+* Added wikimedia/running-stat v1.1.0.
+
+==== Removed and replaced external libraries ====
=== Bug fixes in 1.27 ===
* Special:Upload will now display correct maximum allowed file size when running
** ApiFormatDbg
** ApiFormatTxt
** ApiFormatYaml
+* ApiQueryBase::getDirectionDescription is now marked as deprecated. It should
+ have been so marked since 1.25 when ApiBase::getParamDescription was
+ deprecated, but was overlooked at the time.
=== Languages updated in 1.27 ===
MediaWiki supports over 350 languages. Many localisations are updated
regularly. Below only new and removed languages are listed, as well as
-changes to languages because of Bugzilla reports.
+changes to languages because of Phabricator reports.
* (T113688) Change default numerals from Gurmukhi to Arabic for Punjabi locale.
instead of UTC.
* The default name of the 'suppress' group page has been changed from
'Project:Oversight' to 'Project:Suppress'.
+* DatabaseBase::resultObject() is now protected (use outside Database classes
+ not necessary since 1.11).
+* Calling ResourceLoaderFileModule::readStyleFiles() without a
+ ResourceLoaderContext instance is deprecated.
+* ResourceLoader::getLessCompiler() now takes an optional parameter of
+ additional LESS variables to set for the compiler.
+* wfBaseConvert() marked as deprecated, use Wikimedia\base_convert() directly instead.
+* Obsolete maintenance scripts clearCacheStats.php and showCacheStats.php
+ were removed. The underlying data is sent to StatsD (see $wgStatsdServer).
== Compatibility ==