From Plex to Jellyfin Media Server

Is Jellyfin yet able to actually keep up with auto scanning for new files without taking an entire day? I don't want to have to manually tell it to update all the time, and I don't want to have to wait over night if I let it auto scan.

I keep wanting to use Jellyfin, but there just keep being unacceptable flaws like the above (from earlier this year).

Jellyfin should update immediately for local changes by watching the filesystem.

If you're talking about for network shares, that's just a scheduled task. You can set the timer yourself to whatever you want.