Unreal Engine Issues

Rotation popping when attaching the negatively scaled hand mesh of a motion controller the child of a box collision component (left hand)

The left hand in the VR template appears to pop as it rotates when assigning the mesh for the motion controller a parent that is a box collision component. This does not appear to affect the right h ...

Landscape surface type always return "Default"

The behavior in this bug is a little odd since it is not present in any project that is upgraded to 4.24.1 (CL-10757647), but only those that are created directly in 4.24.1. The behavior is also a l ...

Textures become darker on BSPs when converted to a Static Mesh using Baked Lighting

A BSP converted to a Static mesh shows a much darker texture material when built with Static/Baked lighting. This was reported and tested in 4.24.1 (CL-10757647). This was reproduced in 4.23.1 (CL ...

When the Transform of InstancedStaticMesh is updated, the Random Seed value of PerInstanceRandom is updated.

When updating Transform of InstancedStaticMesh by UpdateInstanceTransform, PerInstanceRandom used in Material is updated. With 4.16 does not update the RandomSeed value. ...

HTML5 - View is incorrectly drawn

The view in a packaged HTML build will not draw the game view as the entire view space, neither in custom sized window nor fullscreen. ...

Ensure when running AutomationDriver tests - Ensure condition failed: UserRegistry.RegisterUser(MakeShared<FGenericAccessibleUser>(FGenericAccessibleUserRegistry::GetPrimaryUserIndex()))

Texture Group MaxLODSize doesn't recognize changes to WorldNormalMap in DefaultDeviceProfiles.ini

When trying to change the MaxLODSize using DefaultDeviceProfiles.ini, some of the groups scale but others don't. This was reported and tested in 4.23.1 (CL-9631420). This was reproduced in 4.22.3 ...

Inverted normals with Datasmith .STP import

When importing this .stp file through Datasmith, the normals are inverted upon import. Attached are screenshots of the normals in AutoDesk Alias and McNeel Rhino. This was reported and tested in 4 ...

OverrideVertexColor causes a crash on mobile renderer

Setting Allow CPU Access on the mesh, or setting bSupportsManualVertexFetch=1 in Engine.ini, avoids the crash. ...

GPU particles disabled on Quest

GPU particles were disabled on Quest 1 due to a compute issue. We need to validate / fix issues for Quest 2 / Quest 3. Reported in [Link Removed] ...