There is a Jellyfin add-on for Kodi which you could use if you want to keep using Kodi for other stuff like streaming. That's what I do (Kodi runs on a Raspberr

There is a Jellyfin add-on for Kodi which you could use if you want to keep using Kodi for other stuff like streaming. That's what I do (Kodi runs on a Raspberry Pi connected to the TV) and it works fine, though honestly I'm not a particularly heavy or advanced user so my needs are low. Another advantage of that setup is that I can use the Jellyfin clients on my laptop while using Kodi for the TV.