They didn’t mention it in the post I reacted to.
But both of your suggestions are excellent solutions to the problem.

You can install a plugin to add SSO.

https://github.com/9p4/jellyfin-plugin-sso

I didn’t see it mentioned yet, so I’ll throw warpinator in the ring.

Clients are available for Linux, Windows, Android: https://warpinator.com/

After forcing a Firefox restart it works. Weird hiccup

Android 13.
Miui 14.0.11.
FF 122.1.0.

The demo instance doesn’t show any images when using android+Firefox. Android+chrome is working.

Killbot industry: “We would never let a machine make the final decision. There’ll always be a human element involved”

Human element: