Yes

Reinstalling didn’t fix it, because my Android system kept the config data. Resetting the apps storage and with it my settings fixed the issue.

I reset the apps storage. This resolved the issue but sadly I wasn’t able to reproduce the greyscreen bug.

Enabling “load all comments” in the post settings sometimes caused issues, but the behaviour is flaky. I’ll post more details if I manage to gather more information.

Thanks for your tips!