Unreal Engine Issues

UV Rotation does not work for video materials

The rotation parameter of video materials does not function in Twinmotion 2024.1.2 and Twinmotion 2025.1 PR. Adjusting the slider does not have any effect. Feature last worked in Twinmotion 2023.2 ...

Extra state view icons don't show up properly in the Content Browser

r.Lumen.Reflections.DownsampleFactor split screen artifact

In Split-Screen, with "r.Lumen.Reflections.DownsampleFactor" set to 2, it is possible to have vertical colored artifacts on View 1 (the second view). The Licensee reported the artifact occurred on ...

Editor Crash When Using FRequestPlaySessionParams GlobalMapOverride To Load World Partition Map

The licensee has been using a custom CVAR to launch directly into PIE for a world partition level. Since updating to 5.4, this now causes an editor crash. The main factor appears to be whether or no ...

VR Preview crash when shadow quality is set to low

[/Script/Engine.RendererSettings] r.Tonemapper.Sharpen=2 r.TemporalAA.Upsampling=False r.DefaultFeature.AutoExposure.ExtendDefaultLuminanceRange=True r.LightPropagationVolume=0 r.ReflectionCaptureRe ...

A UFactory supporting '.flt' files interferes with the texture factory.

Hi, I’ve written a plugin to enable loading of OpenFlight models into UE5 and have some snags that I could do with help to resolve.Plugin/Texture Interference: Created the plugin using a UFactory d ...

Rig element names should be case insensitive

The control rig editor should enforce case insensitivity for any names that can be created within the editor.  Currently, it's possible for control names to be created that are the same as existing ...

GeometryCollection's root proxy doesn't support complex tracing

More details in this thread: [Link Removed] ...

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

Moveable Spotlight Shadows doesn't render in right eye