PS I don't mind shove (as an *action*) where someone can move me perhaps 5 feet - but the huge distances are just comical ( bad comedy).
Even 5 feet is too far. Shove should give a chance of knocking your opponent prone, and if they are right next to a drop a chance of knocking them off if they would have been knocked prone. (And maybe if the knocking prone is failed you should have a chance of triggering disengage.)
Explosive barrels should just be removed from the game, or be rather rare in fixed positions and can't be picked up or moved.