I haven't used Wire [1] in a long time because it didn't have a way to backup and restore conversations when switching devices (Signal behaves the same way too). But I do look at the release notes whenever the client is updated. Recently I was happy to see that Wire allowed up to three accounts to be configured in the client! I also like the fact that Wire doesn't need a phone number (unlike Telegram, Signal, WhatsAp…
What's the use case for self hosting ? Since it's supposed to be e2e, does self-hosting buy you anything ?