For those using #ntfy from @fdroidorg: ⚠️ DO NOT upgrade to version 1.17.0! It crashes on startup. It wasn't ment to be released as a stable version.
https://github.com/binwiederhier/ntfy-android/issues/127

F-Droid released 1.17.0 which crashes on startup when reading the internal database · Issue #127 · binwiederhier/ntfy-android
It looks like F-Droid build a pre-release (?) with 1.17.0 that crashes on startup when reading the internal database. From their build metadata it looks like they've bumped to 1.17.8 since, I hope ...