The Web Browser UMG Widget does not work in DX12.
Found in 4.20 CL# 4369336 and 4.21 CL# 4404204
The web page will display skewed pixels all over
The web page would load the exactly as it does in DirectX11
There's no existing public thread on this issue, so head over toAnswerHub just mention UE-64580 in the post.