SOLVED: Setting uid & gid of my user with official docker image breaks Jellyfin

[TheDreadPirate]

You should be able to get at least one tone mapped stream from your N100. Keep in mind that tone mapping only happens when you play HDR content on a client that doesn't support HDR (or the specific kind of HDR) and the server then converts it to SDR. Since you are using the official image all you have to do is check the VPP tone mapping and tone mapping check boxes. Nothing else is required.

H265 encoding is definitely not a problem on the N100. Definitely enable encoding for that codec.