User blog comment:TimmyQuivy/On the Importance of Upgrading MediaWiki/@comment-180.190.94.42-20200509034920/@comment-36676275-20200511105555

It's best for them to choose the Legacy one (and even better would have been the LTS, but I guess it's a bit too old) https://www.mediawiki.org/wiki/Download#Legacy_releases