Unreal Engine Issues

Synthetic benchmark is affected by Scalability Settings

Sumo Digital Ltd. has reported that the synthetic benchmark has skewed GPUIndex scores when changing graphics scalability settings (i.e. r.LumenScreenProbeGather.DownsampleFactor). They are currentl ...

Changing the “DistanceField Trace Distance” requires rebuilding the lightmaps

Changing the “DistanceField Trace Distance” requires rebuilding the lightmaps even though the valu never affect light baking process in Lightmass. ...

Niagara module inputs don't handle bitfield enums correctly

As one clicks on the enum fields trying to form an input, the log is written with a variation of the following: [2025.02.14-17.42.38:940][521]LogNiagaraEditor: Error: Error getting default value fo ...

In UE 5.5, "Open Level By Name" is not able to find the map if the map is not added to "List of maps to include in a packaged build"

The "Open Level By Name" is not able to find the map to travel when the map is not included in the "List of maps to include in a packaged build" option. This issue was not happening in UE 5.3 and UE ...

Each bone scales are improperly applied in the physical animation

Suggested fix from licensee is : PhysAnim.cpp@339 #if 0 FVector RelPos = RecipScale3D * RelTM.GetLocation(); #else FVector RelPos = (BoneIndex == 0) ? RecipScale3D * RelTM.GetLocation() : Rec ...

Capsule component renders incorrectly with non-uniform scale

Capsule component renders incorrectly with non-uniform scale because the render uses the minimum between the X and Y values and the collision code uses the maximum between the two. This issue is men ...

SkinnedMeshComponent::BoneTransformUpdateMethodQueue is never reset in server builds

We reset BoneTransformUpdateMethodQueue in USkinnedMeshComponent::CreateRenderState_Concurrent and USkinnedMeshComponent::SendRenderDynamicData_Concurrent but these code paths are never called in se ...

Material Parameter in Static Switch Branch of True Controlled by Quality Switch Not Showing Up in Material Instance Panel

In material editor, if a quality switch node is used together with a static switch to control branch, material parameters in the 'true' branch will never show up in the Detail panel of material inst ...

Quaternion customization always overrides the display name to "rotation"

It is possible for PreLoadScreen to leak memory when an EngineLoadingScreen returns IsDone while still loading

It is possible for a class that implements IPreLoadScreen to leak memory if GetPreLoadScreenType returns EngineLoadingScreen and IsDone returns true before the engine signals loading is completed vi ...