* The following libraries are now required:
** psr/log
This library provides the interfaces set by the PSR-3 standard (http://www.php-fig.org/psr/psr-3/)
- which are used by MediaWiki internally via the MWLoggerFactory class.
+ which are used by MediaWiki internally via the
+ MediaWiki\Logger\LoggerFactory class.
See the structured logging RfC (https://www.mediawiki.org/wiki/Requests_for_comment/Structured_logging)
for more background information.
** cssjanus/cssjanus
addSecondaryDataUpdate throwing an exception. These functions will be removed in 1.26,
since they interfere with caching of ParserOutput objects.
* Introduced new hook 'SecondaryDataUpdates' that allows extensions to inject custom updates.
+* Introduced new hook 'OpportunisticLinksUpdate' that allows extensions to perform
+ updates when a page is re-rendered.
* EditPage::attemptSave has been modified not to call handleStatus itself and
instead just returns the Status object. Extension calling it should be aware of
this.
thisisdeleted, viewdeleted, editlink, retrievedfrom, version-poweredby-others,
retrievedfrom, thisisdeleted, viewsourcelink, lastmodifiedat, laggedslavemode,
protect-summary-cascade
+* All BloomCache related code has been removed. This was largely experimental.
== Compatibility ==