Player hitbox is too large

Player hitboxes on the latest snapshot are bugged. I am able to go through a nether portal without being inside of it, and climb a water elevator without touching the water.

 

Video examples:

https://drive.google.com/file/d/1oOPNj1dz-1A341PEpgW7YrEMyOV0ZmOT/view?usp=sharing

https://drive.google.com/file/d/1b6pdDHfpuH_u3vDR_DmzCC82jgwBhhVp/view?usp=sharing