PurgeOldLightmaps
PurgeOldLightmaps is a console variable in Unreal Engine 5 (UE5). See what PurgeOldLightmaps does, its values, and how to use this cvar in the Unreal console below.
Category: Remaining · Namespace:
purgeoldlightmapsHelp
If non-zero, purge old lightmap data when rebuilding lighting.
Usage
Unreal console (open with ~)
> PurgeOldLightmaps 1Console variables take a value. Replace 1 with the setting you need. Run it with no value to print the current one.