Are there any real options in this space for something that is - E2EE - Large group capable (100+ users) - FOSS + self hostable - Not riddled with security issues - Relatively easy to use for iOS and Android users (safe for normies) I help run a Matrix server for people who are at risk from the current administration and I can attest to all of the issues mentioned plus a few more. I'd rather not move to something as…
What I find also amazing in all this is that all the client/server/bridge names I brought up are independent and healthy projects. XMPP is very mature and decentralized. Not just in theory by nature of its protocol, but practically/politically by its many implementations across many stacks and implementers across many countries.