Yes, you have one month time to switch and then on the first sunday of the next month you should talk about your switch with someone or post it somewhere. That’s the idea of #DIDit.

Yes, I’m on Dino too because it just works great and video is quite stable in combination with Conversations and of course it supports Omemo.

Before that I used Gajim but had to compile it myself and sometimes issues with plugins. Maybe it’s as easy as Dino nowadays.