Unreal Engine Issues

LiDAR assets do not render in after relaunching the engine

LiDar point clouds are failing to render when saving and relaunching the project This issue is occurring in //UE5/Release-5.3 @ CL 26560699 This issue is occurring in //UE5/Release-5.3 @ CL 2600198 ...

Cannot set background color for UI Domain material preview

CSM Shadows disappearing at larger coordinates with different FOVs

Cascaded shadows disappear at some FOVs when far from the world origin. This behavior was not present in 5.2. Also found in CL: 32690246 in Release-5.4 ...

Enhanced Input Pressed Trigger firing twice

GetTriggerEvent() in a function bound to an enhanced input action in C++, returns "Triggered" when bound to the "Started" trigger event. ...

Crash during garbage collection when container UPROPERTIES specify raw interface pointer element types without TScriptInterface wrapper

When a UPROPERTY() TMap or TArray has raw interface pointers as element type, the garbage collector tries to handle them and crashes. For raw interface pointers without a container, UHT generates a ...

Foliage HLODs don't respect "Disallow Nanite"

We have a level with foliage meshes that has been placed via the foliage system. We want to place these into HLOD Layers so that we can disable nanite, and thus enabling the imposter LODs at a dista ...

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 ...

Artifacts appear on translucent particle systems during camera motion blur

Translucent particle systems exhibit visual artifacts when the camera moves, even though motion vectors are disabled for the particle emitters. While switching the Translucency Pass to "After Motio ...

VulkanStagingBuffers stat continually to grows.

On Android phones, VulkanStagingBuffers continually grows when the scene is static. From looking at FStagingManager, it appears the VulkanStagingBuffers atat is only updated on buffer acquisition, ...

PlayerCollision visualization incorrect on LandscapeSplineMesh when Nanite is enabled

From licensee: I’ve found an issue with the visualization of PlayerCollisions when using LandscapeSplineMesh with a mesh that has Nanite enabled. The Chaos collisions shown in the Chaos Visual Debu ...