Unreal Engine Issues

Pixel Inspector does not display Gbuffer values properly when a mesh with a material that has Anisotropy set is in Level

This issue occurs when there is a material with Anisotropy, like the attached GIF.[Image Removed] ...

Pre-UE5 serialized FVariant FVector data corruption when deserialized in UE5

FVariant is a struct that implements a union of data types, including FVector. When assigning an FVariant an FVector value in engine versions UE 4.27 or earlier, the FVariant will deserialize incorr ...

Incorrect cast in UpdateEarlyZPassModeCVarSinkFunction when Scene is FNULLSceneInterface

We have various casts across the engine on the scene, which fail to cast when the scene is a null scene. FScene* Scene = (FScene*)(World->Scene); Scene->UpdateEarlyZPassMode(); We shoul ...

[Task] Automated Previous Transforms

Correct motion vectors are required for things like anti-aliasing to work. Currently ISM/HISM don't support tracking to do this automatically. This is a frequently reported problem for licensees and ...

Property Coloration isn't supported for Nanite

Property Coloration View Mode is not supported by Nanite. (Left cube is Nanite and isn't affected by the Property Coloration view mode) [Image Removed] ...

Static Mesh Scene Actor Flipped Normals

Static meshes can have normals flipped when the actor they are attached to has one component of its scale inverted. ...

Nanite mesh is shown with player collision

BlackboardComponent observer can be called for the wrong key

We need to, at least, prevent this by clearing observers when running a new BT using a different blackboard. Must also think that this might affect licensees relying on the current behavior (might h ...

Nanite meshes don't render to RVT

Static meshes that use Nanite never write to RVT. We've been recommending a workaround to create a secondary non-nanite mesh component that only writes to RVT, but that is a big overhead for product ...

LiDAR not importing colors correctly for .E57 Point Clouds

Reproduced 3/3 times, issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. LiDAR plugin is version .08 in UE5.0.3, and version 1.0 in UE5.1.0 ...