Can you share screenshots of Dashboard > Playback? It looks like you selected Intel Quick Sync for hardware acceleration but your specs said an AMD CPU and Nvidia GPU.
Jellyfin 10.10.3 (Docker)
Ubuntu 24.04 LTS
Intel i3 12100
Intel Arc A380
OS drive - SK Hynix P41 1TB
Storage
3x WD Red Pro 6TB CMR in RAIDZ1 (JF Library)