Excellent work on the latest 5.1 release. I’ve spotted something that might be of note.
Right now it looks to me like skylights with Lumen are not affecting Volumetric Fog at all. This results in the volumetric fog being black, with no light received from the skylight. This was working fine in 5.0 and the 5.1 previews, so this is limited to the latest 5.1 full release afaik.
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toggling r.Lumen.TranslucencyVolume.Enable to ‘0’ reverts vol fog illumination back to a non-GI mode (it is illuminated, but there are no shadowed areas anywhere, so fog in interiors is also illuminated as if it was outside). Which isn’t surprising as the command (when set to 0) prevents volumetric effects from receiving Lumen.
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toggling back and forth between scalability modes (medium, high, epic, cinematic) produces erratic results - sometimes it stays black, sometimes it reverts to the non-GI mode explained above. At no point does it work as it used to.
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Directional / Spot / Point light all still work as normal from what I saw. This bug (will refer to it as that for now) is limited to skylights - but maybe it’s a broader issue with indirect lighting in Lumen + Volumetrics.
Would be grateful if anyone could verify this is not just me or let me know if there’s some new Lumen setting / Post Process setting I’m missing.