Unreal Engine Issues

Duplicated Child Actor Spawned at (0,0,0) when Using Level Instances

Moveable Spotlight Shadows doesn't render in right eye

Digital buttons for gamepad thumbsticks and triggers can fire multiple times per-frame in Game Input

In Game Input, the buttons for different thumbstick and trigger digital events (i.e. RightStickUp, LeftStickUp, LeftStickRight, etc) can actually fire multiple times in a single frame, even though w ...

Iris - always relevant actors placed in the map do not appear in the debug list

This seems to occur regardless of which filter is used and whether bNetLoadOnClient is true or not. ...

Distributed HLOD builds always fail for projects not under the Engine Root

In BuildProject.txt, to make relative path to the project outside the engine root, all paths contains “..” after action command directory. D:/dev/UnrealEngine-5.5.0//HLODTemp/f09bf0f5/HLODBuilder0 ...

Crash when committing level instances containing invalid child actor components

Exporting process stuck in "Estimated time" phase when uploading projects with Panorama Sets & Presentation after freshly booting TM

Cloud Build: TWINMOTION CL app-2023.2.33001994-2024.1.37216540-2025.1.38508591-cloud-2024.12.02.095314 (DEV / STAG, CHROME) Issue: Exporting process stuck in "Estimated time" phase when uploading p ...

Nanite Tessellation Artifacts With Landscapes

There seems to be an issue with how Nanite tessellation and Landscape interact with two sided landscapes. When the camera's near clipping plane is past the landscape's surface the displacement of th ...

Material is not always updated after SketchUp file reimport.

The second file uses the same material as the first one, but it's color has been modified in the DCC.  Not reproducible with Datasmith import. In that case the material is correctly updated in all c ...

WasRecentlyRendered() and GetLastRenderTimeOnScreen() still triggers when a skeletal mesh re-enters the view frustum despite being occluded.

AActor::WasRecentlyRendered() and UPrimitiveComponent::GetLastRenderTimeOnScreen() both still trigger when a skeletal mesh (occluded behind a wall) re-enters the player's view frustum after being ou ...