Edge Flickering in VR after changing from 4.14 to 4.20.

Development Platform & Builds XR Development
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1

We recently switched our Engine Version from 4.14 to 4.20 for our VR Project.
We did not change anything regarding to AA Settings.
In 4.14 we had a Screen Percentage of 250.
Now we changed it to 100 and set the VR Pixel Density to about 1.6.

The Problem is, there is a lot more edge flickering than before. But we did not change any Anti Aliasing.
We can get rid of the edge flickering with setting the vr pixel density to about 3, but than the performance gets too low.

Did we do anything wrong while switching to vr pixel density?

pls help, the edge flickering really destroys the project and we might have to go back to 4,14 if we dont find a solution.

2

So you are using temporal AA? Have you tried switching to MSAA, I believe it is recommended in VR projects. Are you using forward rendering? Is the flickering happening when moving or always? Is it a specular aliasing issue?

Can you post a screenshot ir is it hard to capture? I can probably not help but I experienced something similar in my VR project and I could not yet get rid of it either.