Hi, I'm from LiteSpeed Technologies and we have a new open-source cache plugin for MediaWiki if anyone wants to try it out. Please let me know if you are interested!
Topic on Manual talk:Contents/Flow
I was curious about this message. The code is on GitHub https://github.com/litespeedtech/lscache_mediawiki and see also https://www.litespeedtech.com/support/wiki/doku.php/litespeed_wiki:cache:mediawiki.