User blog comment:MisterWoodhouse/The first migrations to the Unified Community Platform/@comment-30915002-20200818001609/@comment-3999290-20200818110551

MediaWiki upgrade was requested by the community for years. One of the reason is to be able to activate extensions that are only available from versions upper that the legacy MW version (1.19), such as Popups, and many others.

Celdrøn   (discussion)