Unity URP Pixel perfect camera flickering

Hey i just added the universal rendering pipeline to my game and had to change out the pixelperfekt camera component as there is one build into URP. But now my Charakter laggs or flickers behind.

here a video of it:

https://drive.google.com/file/d/1QaFm68Yi218JyIzGjI_H8E1VRvdABGzU/view?usp=sharing

Any idea what causes this? The Charakter is composed of sprites and bones to make animation easier.

I also tried this script:

but it dosnt work

@cunibon
Did u solved it?