World Partition - HLOD: baked HLOD textures contain unresolved runtime virtual texture content

UE - Engine Scaling - Streaming - Sep 15, 2026

Baking HLODs for actors that sample Runtime Virtual Textures produces incorrect baked textures: blurry or unresolved RVT tiles, fully black tiles on the first bake of an editor session, and washed-o ...

LevelInstance\PackedLevelActor: Problem with non-uniform negative scale.

UE - Engine Scaling - Streaming - Sep 10, 2026

A licensee is reporting transform issues related to using non-uniform negative scale on LevelInstances and PackedLevelActors. ...

Issue with UHLODBuilder::ComputeHLODHash

UE - Engine Scaling - Streaming - Jul 23, 2026

The HLOD content hash used to detect changes and trigger rebuilds effectively ignores everything hashed before the source-component loop — including the result of UHLODBuilderSettings::ComputeHLODHa ...