s.World.ForceFlushAllAsyncLoadsDuringLevelStreaming
VarUnreal Engine Var console variable.
sWorldForceFlushAllAsyncLoadsDuringLevelStreaming
Description
When set, level streaming will wait for all outstanding async loads globally.
Usage
s.World.ForceFlushAllAsyncLoadsDuringLevelStreaming [value]Set via the console (~) or in DefaultEngine.ini / DefaultGame.ini.

