Also, since you are using custom season name folders, you should upgrade to 10.9.8 since there is a fix for that. Also, what metadata sources are you using?
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)