I think I joined this group from a mastodon post but I can’t remember. Discussion is generally around Signal and updates to the app etc.

https://signal.group/#CjQKIGLY9xAH9BQaWynrOlPCx0Owi3d8BZ4o1Ruiok2219NdEhBkUMCFuIWbjoag1V59tKDv