Light Weight Instances are a new UE5 feature sneaked into Unreal 5.0. You can create a lightweight instance of an actor or an object, only storing its transform and then converting it back to a full-on actor when you actually need it or interact with it.
https://dev.epicgames.com/community/learning/tutorials/zweW/unreal-engine-light-weight-instances-ue5
4 Likes