Problem with cura 4.x

[phenix90 0]

Hello together,

 

For a while now i have issues with printing circles. While printing cycles my printer stutters. He stops frequently and thats why my surface is looking terrible.

I did a lot of trials already to figure out where my problem is coming from but im not able to find the solution.

The results:

- when i print with cura 3.6 the surface looks really good

- when i print with cura 4.x the surface looks really bad

 

I wonder which setting changed with newer version to get such difference in results. Any one had the same experience?

The cura profile is not exactly the same but i there are no special settings i did.

I added 2 pictures, the one with better surface is from cura 3.6 (just the top is a bit messy).