I think Matrix is brilliant. I run a synapse home server and updating/maintaining it has been a breeze. That said, on a couple of occasions (once a while ago,

I think Matrix is brilliant. I run a synapse home server and updating/maintaining it has been a breeze. That said, on a couple of occasions (once a while ago, and once with Riot 1.0) I've tried migrating from my free Slack org to Matrix and it still falls short for the feature set I want. Specifically, I want a community whose members can create rooms for that community that are automatically visible and private to the community. Currently the community features in Riot make that a difficult task. If anyone has had success doing this I'd be more than happy to hear about it!