r.LumenScene.Radiosity.Temporal.MaxFramesAccumulated
VarUnreal Engine Var console variable.
rLumenSceneRadiosityTemporalMaxFramesAccumulated
Description
Lower values cause the temporal filter to propagate lighting changes faster, but also increase flickering from noise.
Usage
r.LumenScene.Radiosity.Temporal.MaxFramesAccumulated [value]Set via the console (~) or in DefaultEngine.ini / DefaultGame.ini.

