Unreal Engine Issues
Unreal Engine Issues
Suspension CoM calculations don't update with mass.
UE - Simulation - Physics - Dec 15, 2016UWheeledVehicleComponent calculates the Suspension settings only when the physics state is first created. When CoM is set through the editor, the vehicle is constructed with the appropriate offset ...
PHAT Mass Properties don't account for COM offset and Physical Material changes
UE - Simulation - Physics - Oct 17, 2019Changes in an applied physical material are not automatically picked up by the PHAT mass properties display. A manual refresh is required for the display to update to the correct values. Adjustin ...
Changing the scale of a single HISM instance greatly affects the LOD selection of all instances
UE - Rendering - Architecture - Sep 22, 2025When using ISMs and HISMs, each instance can have its own transform, which can affect the LOD selection of one or more instances. For HISMs in particular, changing the scale of a single instance gre ...
Dumping of world partitioned HLOD stats fails in commandlet
UE - World Creation - Worldbuilding Tools - HLOD - Jan 27, 2025Dumping of world partitioned HLOD stats in commandlets no longer works since updating to Unreal 5.5. The cause seems to be that the functionality has been moved from UWorldPartitionHLODRuntimeSubsys ...
COM Media Type error in video writer on 8K videos
TM - Rendering - Dec 12, 2024360 videos set to 8K resolution will fail to render in Twinmotion 2024.1.2 and newer Render attempts will end abruptly shortly after being initiated with the following error message ion the logs L ...
GPU crash dump triggered with Intel H/HX processors
TM - Rendering - Oct 3, 2024Some users have recently reported 'GPU crash dump Triggered' crashes launching, importing, or performing simple actions. Communicating with one user, general GPU TS has not helped(check for OS/drive ...
Open Level Crash in Gear VR
UE - Platform - XR - Oct 5, 2016Projects using Open Level (blueprints) or ServerTravel (in C++) will crash the application once it's open on a device using Gear VR Mode. 10-05 18:01:46.451: A/art(19619): sart/runtime/check_jni.cc ...
Rotate child relative to parent and a grandchild or great grandchild will leave collision box behind
UE - Simulation - Physics - May 15, 2019The collision with meshes appear to be broken in relation to parent and a grandchild or great grandchild collision boxes. ...
Billboards Flicker At Great Distances and when overlapped with meshes
UE - Graphics Features - Dec 9, 2016When actor billboards are very far from the camera they will begin to flicker. They flicker in our shooter game project as well so the distances aren't so extreme that they are unreasonable. ...
Invalid DumpGPU capture when ProjectDisplayedTitle contains special utf8 chars
UE - Graphics Features - Mar 7, 2025Placing a special UTF-8 character into the "ProjectDisplayedTitle" will result in GPU dumps failing to open. This appears to be because the dump will switch between us-ascii and UTF-16 file formats ...