* ParserOutput::hasCustomDataUpdates() was removed (deprecated since 1.25).
* ParserOutput::addSecondaryDataUpdate() was removed (deprecated since 1.25).
* ParserOutput::getSecondaryDataUpdates() was removed (deprecated since 1.25).
+* Gallery images with multiple caption pipes no longer concatenate them all
+ together but instead pick the final one, similar to image syntax.
+* XML-like parser tags (such as <gallery>), when unclosed, will be left unparsed
+ rather than consume everything until the end of the page.
== Compatibility ==