Unreal Engine Issues
Unreal Engine Issues
XR - Volumetric Clouds - VM Clouds appear overtop of meshes in the right-eye
UE - Graphics Features - Apr 10, 2025When the user changes the Volumetric Render Target Mode, the Volumetric clouds in a scene will render in front of Static Meshes in the Right-Eye. ...
SKP import - Mirrored groups will display with the default material in Keep Hierarchy imports
TM - Interoperability - Apr 10, 2025Reported in SF [Link Removed] SketchUp models containing grouped elements that are mirrored will incorrectly display these elements with the default material when imported using the Keep Hierarchy ...
Animation - Imported fbx animation mesh appears distorted
TM - Tools - Apr 9, 2025Reported by user in SF [Link Removed] An animated FBX file from Mixamo appears with a distorted mesh inside Twinmotion. Distortion appears regardless of settings used for import. ...
"Browse to Asset" on Level Instances browses to both the level instance and the current level in the content browser
UE - Editor - Workflow Systems - Apr 9, 2025Iris - large fast arrays serialize multiple elements when only one is dirtied
UE - Networking - Iris - Apr 8, 2025This seems to be a result of how the changemask is handled for fast arrays. Because the changemask is a fixed set of bits (defined by IrisFastArrayChangeMaskBits), a single bit can represent multipl ...
Incorrect volume bounds check in FTranslucentLightInjectionCollector::AddLightForInjection
UE - Graphics Features - Apr 8, 2025The 'VolumeBounds' array in FTranslucentLightInjectionCollector::AddLightForInjection is accessed as a pointer instead of with 'VolumeCascadeIndex' and thus fails bounds checks for the outer volume. ...
Overlay materials stop working when Show Collisions
UE - Simulation - Physics - Apr 7, 2025Overlay Materials are disabled when the Collision showflag is enabled. ...
Lack of multi-bounce when using software traced lumen radiosity
UE - Graphics Features - Lumen - Apr 4, 2025Certain Lumen Hardware Ray Tracing CVars, when disabled in isolation, will not fall back to tracing the Global Distance Field, because the Global Distance Field is still disabled. The function "Lum ...
Sequencer Conditions crash - GarbageCollectionVerification
UE - Anim - Sequencer - Apr 3, 2025Encountered a crash during the garbage collection phase when using sequencer conditions with subsequence tracks. Specifically, objects appear to break the "Disregard for GC" assumptions. ...
Video material previews incorrectly on Mac
TM - Rendering - Apr 3, 2025Received multiple reports of users on Mac computers experiencing issues previewing video materials in Twinmotion 2025.1. When adding video materials to the scene, the scale seems to be incorrect an ...