Unreal Engine Issues

Light rendering becomes broken when at a distance of ~1000000 from origin

Tested at X=20,000 with no issue Tested at X=500,000 with no issue Tested at X=1,000,000 issue occurs NOT A REGRESSION ...

UMaterialBillboardComponent does not render when moving

Marking this as a Regression since it works as intended in Release 4.27.2 (CL-18319896). I've also confirmed the behavior is occurring in UE5 Main (CL-20283975) as well.  ...

SingleSampleShadowFromStationaryLights does not work in UE5 (when GPU-Scene is used)

The flag is not propagated in FPrimitiveSceneShaderData::FPrimitiveSceneShaderData and so is missing in GPU-Scene primitive data. Need to add: .UseSingleSampleShadowFromStationaryLights(Proxy->UseS ...

Layered blend per bone node with blend mask setting in an animation BP will not work after restarting UE editor, until recompiling the anim BP manually.

[Waveform Editor] - Undoing a trim fade that is made by clicking and dragging the handles doesn't correctly undo when undoing

Undoing dragging trims doesn't undo the trim [Link Removed] ...

[Soundfield Submix] - Output is silent when routing sound to Unreal Ambisonics and then to Resonance

According to the official docs https://docs.unrealengine.com/4.27/en-US/WorkingWithAudio/Nativesoundfield/ an ambisonic submix can be rendered to Resonance or Oculus; however when doing so, while th ...

Gameplay Tags set as Default in Local Variables do not show as references in Reference Viewer

Normal variables with gameplay tag defaults will show up in the reference viewer.Other reference types used as a local variable default value will show up in the reference viewer correctly. ...

Single sided complex collision mesh collision blocks character movement from backside

Commenting out the branch in FTriangleMeshSweepVisitor::VisitSweep is a work-around.if (CullsBackFaceSweepsCode != 0) { if (VectorMaskBits(IsBackFace)) { // Don't cull the back face ...

Conditional crash when a DragAndDrop operation is done betweeen Data Layers.

A crash occurs to the engine as when we when have unreal as a backgroud task, and we try to drag and drop a layer to another by selecting the layer visibility button. ...

Frustum culling provides inconsistent results causing particles to render even when the bounds are out of view.

When the camera is just outside of the box bounds and it is angled directly away from it , it will start rendering the particles again (as determined by stat GPU differences) despite being out of vi ...