Unreal Engine Issues

MoviePipeline: Can't inherit from UMoviePipelineSetting in BP due to PURE_VIRTUAL

IsValidOnMaster/IsValidOnShot need to be BlueprintNativeEvents with a default C++ implementation and allow derived classes to override the function. This is needed so that you can create custom set ...

The GetCombinedForces put out wrong value when the vehicle is reversing

Reproduced 3/3 times. A similar bug occurred with PhysX ([Link Removed]) Check the function:  FVector FSimpleAerodynamicsSim::GetCombinedForces(float VelocityIn) if the velocityIn is negative, th ...

EditorCube added to the scene with a Geometry Script will have reversed normals

The work around is to use the modeling mode normal tool to regenerate normals. This appears to mainly occur on any cubes added by the "Copy Mesh from Static Mesh" Regression tested in 5.0.3 at CL 2 ...

ExportMaterialUVDensities() gets the incorrect value where the alpha channel is referenced

ExportMaterialUVDensities() gets the incorrect value where the alpha channel is referenced (e.g. RegisterIndex of the texture is [3] or [7]) because FMeshRenderer::RenderMaterialTexCoordScales() use ...

Spawn Actors At Location within Dataprep Asset does not specify asset when selecting one from the drop down

3/3 Set Regression to no as this issue is still occurring within //UE5/Main-Release-5.3 @ CL 28051148 Halo testing was performed on other cards within the Dataprep library to see if this issue was ...

Ocean spline impacting landscape way outside of its bounds

From licensee: "[...] it seems that regardless of our settings and how far away the control spline is from the landscape edge, one corner of the landscape will always be impacted by the falloff and ...

Landscape Layer Blending Painting Issue

There are two issues when painting landscape layers.Paint: When painting between different layers, square-shaped artifacts or splotches appear.Fill Layer: The blended weights of other layers aren't ...

It is not possible to export virtual layer masks (AI or from mesh) through the COLMAP exporter.

Found in 2.1.0.119011 (R210). The mask export doesn't work even when the masks are regenerated from the mesh. Outcome: Error appears: "The filename, directory, or volume label syntax is incorrect ...

The UI layer system in Lyra leaks widgets when changing level

AddTimedDisplay causes crash when changing level

RemoveAfterSecondsLambda in AddTimedDisplay function may access released memory during level transitions. The following workaround works : void UViewportStatsSubsystem::AddTimedDisplay(FText Text, ...