An interesting poll!
I voted "I can use content from 5E and 1D&D in the same PC" because that's genuinely what I'm hoping for, and it's really the only way I can use the new material. I need these new updates to work in 5th Edition.
As of now, my halfling monk, if I use tavern brawler as 1st level feat and the new grapple rules just got a big upgrade. I would say, it would make him better balanced with other classes than he is in core 5e.