F-Droid is in fact what an app store concerned about user safety looks like. Nobody gets hoodwinked into installing apps that track them or sell their data or otherwise abuse them on F-Droid.
This is non-technical. F-Droid is horrible. https://privsec.dev/posts/android/f-droid-security-issues/#5...
F-Droid has not meaningfully improved since that piece was written, either. No one should use F-Droid.
It is yes. Their build system is somewhat arcane and difficult so some apps dont get updated from the git repo though. It could use some polish.