Cinematic depth of field (DOF) low ressy artifacts and issues

[Hotsun]

check this solution.
worked for me.

Depth of Field Issue 5.5 - NEW Black Edge Artifacts

Hi there. I’m about to throw my entire set up in the bin, join the Amish Community, and renounce technology as a whole after going insane over finding new errors upon errors when using any and all versions of UE 5… What have I done to upset the Unreal Engine Deities so much?! I’ve never had this issue with using these same models, lighting, and settings in 5.4 (previous assets were migrated to the new version). However, with 5.5 I am experiencing horrendous black edge artificing when exporting…