Borders of new chunks and old chunks not blending properly - 1.18

Villagers sleeping on the floor and many villagers are sleeping in 1 bed.

The shield is glitching with my player character.

Villager Pathfinding and Bed Sleeping Issues. (pls fix these bugs, i know u saw this and if u ignore it i'm gonna be sad)

My gamer profile picture is glitchy

I can't import my worlds that I exported previously.