>On Switch
USUM: No
LGPE: Yes
SwSh: Yes

>Dexcut
USUM: No
LGPE: Yes
SwSh: Yes

>Forced EXP.Share
USUM: No
LGPE: Yes
SwSh: Yes

>Access to Home
USUM: No
LGPE: Yes
SwSh: Yes

>Connectivity with GO
USUM: No
LGPE: Yes
SwSh: Yes

>Following Pokemon
USUM: No
LGPE: Yes
SwSh: Yes (DLC)

>Movecut
USUM: No
LGPE: Yes
SwSh: Yes

>Wild pokemon in overworld
USUM: No
LGPE: Yes
SwSh: Yes

>Box access from menu
USUM: No
LGPE: Yes
SwSh: Yes

LGPE = Gen8

Also PLA is gen9