Lightmass: multi-bounced sky lighting

[ZacD]

It’s been in the engine since 4.18 What's New | Unreal Engine 5.3 Documentation

New: Multi-bounce Indirect Lighting from Skylights
We now have support for multiple indirect lighting bounces from static and stationary Skylights through a new ‘Num Sky Lighting Bounces’ setting in World Settings -> Lightmass. Thanks to forum user for the first implementation of this feature.