Textures bugs + Crash every 2 minutes

I have a lot of bugs who was appeared from the 1.16.0.

As you can see on the picture, my textures is totally glitching.

And for crowns the all, I crash after 2 mins of game, in my personal maps, and in the server.

it’s unplayable.

i hope that you will can fix theses bugs because I can’t play...