2023-09-17, 10:00 PM
AFAIK, what you are describing does not currently exist in Jellyfin. Yes, Collections would appear on the home screen alongside other libraries, but I think that is the closest you are going to get to what you want.
Jellyfin 10.9.10
Ubuntu 24.04 LTS (bare metal)
Intel i3 12100 on Asus Prime H610M-E D4 mATX
32GB DDR4-3600
Intel Arc A380
OS drive - SK Hynix P41 1TB
Storage
WD Green 3TB (Samba shares)
WD Red 3TB CMR (WIP Media, Test libraries)
3x WD Red Pro 6TB CMR in RAIDZ1 (JF Library)
Fractal Meshify 2
Corsair CX430
Ubuntu 24.04 LTS (bare metal)
Intel i3 12100 on Asus Prime H610M-E D4 mATX
32GB DDR4-3600
Intel Arc A380
OS drive - SK Hynix P41 1TB
Storage
WD Green 3TB (Samba shares)
WD Red 3TB CMR (WIP Media, Test libraries)
3x WD Red Pro 6TB CMR in RAIDZ1 (JF Library)
Fractal Meshify 2
Corsair CX430