@CactuarJoe here’s what has been discovered so far:
Mario Kart World - 23.4GB
Donkey Kong Bananza - 10GB
GameCube Nintendo Classics - 3.5GB
Super Mario Party Jamboree - 7.7GB (Switch 1 - 5.3GB)
Kirby and the Forgotten Land - 5.7GB (Switch 1 - 5.8GB)
(JPN Eshop)