I don't understand the changes either. BG3 is quite a close adaptation in many regards, but the changes they did make all feel like they were for the worse.
The bonus action disengage by jumping. First of all, it's a ridiculous concept. Doing silly things in melee should provoke AoO's, not escape them. Secondly, it nerfed tanks' ability to control the battlefield (which are really wide and scattered already in BG3, tanks are struggling to get to melee range with anything). It nerfed the Rogue, giving their perk to everyone. Why was this needed?
Jumping height and Shove distance have been buffed to Marvel superhero levels to the point where it's a bit immersion breaking. And OP since there are so many cliffs to push enemies off of and it's really easy to do.
Eating food has magical healing effects. Why was this needed? If there is a larger problem with the HP economy, make Short Rests heal enough, or let everyone heal some amount of HP after every encounter without a Short Rest. I wouldn't have an issue with a house ruling so that the game can flow better. But I do have an issue with characters eating pork chops in melee as a bonus action and healing 11HP from it. This is not a platform game, things need to make sense.
