Congratulations for the great change, it is amazing the quality of the updates that Epic can deliver in a short time, the engine has evolved since its launch absurdly. Congratulations.
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[COLOR=#006699]New: Movable Skylight[/COLOR]
Skylights can now support the Movable mobility setting!– type of light supports dynamic scene changes.
– It gets shadowing from SSAO and a new called Distance Field AO.
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indicates, that soon we might have something like the “Time of Day” (from the CryEngine) already native in UE4?