I think the target will mainly be developers who already provide a version of their app on f-droid. I don't know of it's an obligation to use google's firebase

I think the target will mainly be developers who already provide a version of their app on f-droid. I don't know of it's an obligation to use google's firebase pish notifications though. I might be mistaken, but I think that Conversations use its own push notifications already: https://play.google.com/store/apps/details?id=eu.siacs.conversations&hl=en_US https://play.google.com/store/apps/details?id=eu.siacs.conve...