HDRP uses GTAO as ambient occlusion algo which is in many ways more physically correct than the old SSAO in PPv2 but it has it’s own issues.
As for your issues, see this post: SSAO halos/bright-edges
HDRP uses GTAO as ambient occlusion algo which is in many ways more physically correct than the old SSAO in PPv2 but it has it’s own issues.
As for your issues, see this post: SSAO halos/bright-edges