Old type worlds have some glitches in specific chunks

If we think world has 256 chunks, 31 (south and east) of these chunks are glitched. Entities can't get out of water, and sneak for make a bridge doesn't work here. I'm linking the recorded video.

https://drive.google.com/file/d/1YWrYmCXBhhpdHntNilMna7Qusjxu5PbX/view?usp=drivesdk