Pixelated DOF issue on out of focus objects close to the camera when rendering through Movie Render Queue. (UE 5.6)

Development Rendering
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5c1b6d765dfbdb250554e68cf908be1e
5c1b6d765dfbdb250554e68cf908be1e1826×1355 285 KB

Two issues:

  1. With the new NVIDIA drivers (577+), cinematic quality depth of field has severe mosaic artifacts when sg.PostProcessQuality is 4, but it’s normal when sg.PostProcessQuality is 2.

  2. Even after rolling back to 577, compared to sg.PostProcessQuality 2, sg.PostProcessQuality 4 has more noise and discontinuity in hair, and after turning off depth of field, there is no such difference (the hair is smooth when depth of field is off).

I believe the first one is a bug. For the second one, please confirm if it’s a bug or if there are any CVar commands to resolve the issue where cinematic quality actually looks worse.

Thank you!