I honestly don't know why they'd nerf roadhog considering that multi-dps comps are basically the meta. Maybe if just the head hitbox reduction change Is the only thing that goes through it'd be alright but roadhog is known for his hook and one-shot combo. Taking that away seems to be going against what he was designed as initially and what is known as too.
Although I am happy that I can finally get the officer D.Va skin since I wasn't able to play during the nexus challenge because of finals FeelsGoodMan
Roadhog will be fine. He's got free 300hp every 8 seconds, can still hook people and still does a lot of damage. No, he can't one shot several heroes reliably anymore (excluding right clicking before hooking which you should be doing anyway), but hooking people into your team is effectively the same thing.
I'm surprised there hasn't been more people mentioning the Roadhog hook and turn change, where it won't move people directly in front of him if he rotates dramatically. This should mean no more hooking and then turning to the side to drag people to an environmental death.
Be interesting to see how this affects hog pick rates on places like last point Kings Row defence, where this was a very common strategy to hook, turn and drop people to death on the gap in the floor on the 1st corner. It was also common on places like Illios well for good Roadhog players to do something similar, didn't need drag them across the well, would just hook, turn and drop them down. If I read the patch notes correctly then it won't move them in front of him if he rotates, so this won't work anymore.
Edit: I should clarify that I don't mean this to be the main change affecting pick rate as it's situational, being based on people being in a position to be hooked. Added to the other changes though, especially in these areas where good Hog players would frequently find these hook/turn kills...