Unreal Engine Issues

User project crashes after changing struct

Skeletal mesh collision skewed on mirrored meshes

[Link Removed] Collision on mirrored skeletal mesh does not match mesh. (has same position, but different orientation) Also occurs on latest (3827667) Also tested and occurring with Skeletal Mesh ...

Aperture Value in Lens category of CineCamera has no effect

Aperture Value in Lens category has no effect ...

Extreme hitching when using profile command (stat startfile) + other stat commands

Running the "stat startfile" command in a 4.19 project causes constant editor hitching. Running the same command in a 4.18 project does not produce any hitching by comparison. ...

Showing black screen when drawing Distortion and DOF on Android

[Link Removed]I think it is because that the "bOnChipSunMask " is false as Distortion activated (MobileShadingRenderer.cpp line 378),  the "UseFetch" is true as the Android device support shader fra ...

WMR native plugin trigger axis not working

We are testing the new Windows Mixed Reality native support and have found that the trigger mapping to a button is working, but the trigger mapping to an axis is not, i.e. the event MotionController ...

Enum editor not adding new enum values

Blueprint enumeration editor is not adding new enum values. ...

GenerateVisibileRayTracingMeshCommands Severely Reduces Foliage Performance Even if no RayTracing is Used

GenerateVisibileRayTracingMeshCommands Severely Reduces Foliage Performance Even if no RayTracing is Used. Found in 4.23 CL# 8386587 and 4.24 CL# 8748719 ...

Shader Complexity viewmode doesn't work on masked & pixel depth offset material

Materials with mask and pixel depth offset appear to be empty in Shader Complexity viewmode in SM5. Both happens in material preview and world viewport.  [Image Removed] Works fine in ES31.  [Ima ...

ShouldRender() in USceneComponent Doesn't Check Against IsVisibleInEditor()

IsVisible()/IsVisibleInEditor() should be a contribute to the logic in ShouldRender(). NOTE: This code was written during the UE3 life cycle. Found in 4.22 CL#7053642 ...