User blog comment:TimmyQuivy/On the Importance of Upgrading MediaWiki/@comment-7891699-20200812031759/@comment-24258073-20200812073032

There are probably some CSS tricks that you could use to make the appearance of the editing format more like the previous version. But it would be too complicated for me to bother with, myself. And in any case, it wouldn't really change the format, it would just change the format's appearance.