Play upstairs/ in a different part of the house without supervision
Play in the garden without supervision
Wait in car while you drop off sibling (at door, within sight)
Wait in car while you collect sibling (going inside for 2-3 minutes, while they get shoes / bag)
Get own drink or snack
Dress fully independently (including choosing weather appropriate cloths, getting everything out, putting dirty stuff in wash)
I know that my DC is behind, but trying to get an idea of how behind. They can do some of the above, but most is either very recent or still hit and miss.