if you go to settings->user interface->menu you should have 3 other options if you don’t like xmb: glui, ozone, and rgui show up as options to use instead of xmb on android phone version, and linux desktop versions.
I connect my LG because jellyfin works great on the built on web browser. I can also run it on a firestick or chromecast but I like the interface provided by the browser.
if you go to settings->user interface->menu you should have 3 other options if you don’t like xmb: glui, ozone, and rgui show up as options to use instead of xmb on android phone version, and linux desktop versions.