Do you love #XMPP and have some time to dedicate to it? and you don't mind Google paying you a few thousand US dollars while doing it, consider implementing cross signing in @prav as part of Google Summer of Code.
See https://cryptpad.fr/pad/#/2/pad/edit/V6nDcrMy6b+2+cIIFXZUF5pO/
If you are an #android/#java developer consider joining as a co-mentor as well.
It is very frustrating when people can't decrypt some messages when people in a group adds new devices. It is one of the top priority features of #prav community.
