+* The SecondaryDataUpdates hook was deprecated in favor of RevisionDataUpdates,
+ or overriding ContentHandler::getSecondaryDataUpdates (T194038).
+* The WikiPageDeletionUpdates hook was deprecated in favor of
+ PageDeletionDataUpdates, or overriding ContentHandler::getDeletionDataUpdates
+ (T194038).
+* Content::getSecondaryDataUpdates has been deprecated in favor of
+ ContentHandler::getSecondaryDataUpdates() for overriding by extensions
+ (T194038).
+ Application logic should call WikiPage::doSecondaryDataUpdates() (T194037).
+* Content::getDeletionUpdates has been deprecated in favor of
+ ContentHandler::getDeletionUpdates() for overriding by extensions (T194038).
+ Application logic should call WikiPage::doSecondaryDataUpdates() (T194037).
+* (T198214) Old Tidy-related configuration settings, which were soft-deprecated
+ in MediaWiki 1.26, have now been hard deprecated. This affects $wgUseTidy,
+ $wgTidyBin, $wgTidyConf, $wgTidyOpts, $wgTidyInternal, and $wgDebugTidy. Use
+ $wgTidyConfig instead.
+* All Tidy configurations other than Remex have been hard deprecated;
+ future parsers will not emit compatible output for these configurations.
+* QuickTemplate::msgHtml() and BaseTemplate::msgHtml() have been deprecated
+ as they promote bad practises. I18n messages should always be properly
+ escaped.