Just remember that if you, or anyone you are talking to, has notifications turned on (in the app itself), that conversation is now outside of signal and a lot easier to get to.
GrapheneOS devs have a very “I will tell you what to like, and you will like it!” attitude, which results in UI and navigation choices that bug the crap out of me.
But I have to admit that for security and privacy it ranks at the top.
Just remember that if you, or anyone you are talking to, has notifications turned on (in the app itself), that conversation is now outside of signal and a lot easier to get to.