That’s literally what happened in the reboot that came out a few years ago…

My mistake, I only saw the option to buy on playstore. Also missed the open source on the dev page. Thanks for the heads up!

Conversation.im appears to be neither free nor open source.

Agreed, I’ve never come across a site that was broken because of Firefox. Usually the culprit is adblock being too good at blocking, so just toggle it off and refresh and page loads just fine.