Is there a list of which ones are vulnerable?

Element Call is in beta and works quite well. Jitsi was only used for group calls and Element Call is slowly replacing it.

Computers are designed to run 24/7 so as long as you have proper cooling your PC will be fine. It would be good to post your specs too.

This might sound stupid but CDs. I buy CDs and rip them to FLAC to listen with Strawberry Music Player or Jellyfin.

How will we be sure we can trust their benchmarks?

I’m not sure it’s the phone. I’m using a 1st gen iPhone SE on 15.7.7 and it works fine. I’d suggest a factory reset but that is a lot of hassle or at least update to the latest iOS 16.5.1 and see if that helps.

What do you find bad about the Linux client? It’s an electron app sure but from my experience it works well.

Usernames have been on the roadmap for signal for years. I heard they were meant to be coming this year so we’ll see if that happens.

What OS and phone?