Hello,
In the list=tag API query module, the tag source type named "extension" is
being renamed to "software" [1]. As of MediaWiki 1.42, "extension" still
appears alongside "software" in the tag source lists but is deprecated [2].
In future versions of MediaWiki, the "extension" entries will no longer
appear.
The use of "extension" is misleading since it does not exclusively refer to
tags defined by MediaWiki extensions (via the onListDefinedTags hook), but
also those defined in MediaWiki core (via
ChangeTagsStore::DEFINED_SOFTWARE_TAGS). The distinction isn't really
useful to clients anyway.
(this message was cross-posted from wikitech-l)
[1] https://phabricator.wikimedia.org/T247552
[2]
https://en.wikipedia.org/w/api.php?action=query&list=tags&tgprop=source&tgl…