Unreal Engine Issues
Unreal Engine Issues
Unable to open editor after updating to latest AMD driver
UE - Graphics Features - Oct 30, 2017After updating to Radeon Software 17.10.3 I can no longer open the editor. This has been seen on both a R9 390X and a R9 290. If I use AMD's Auto-detect software it's recommended version is 17.7.2 ...
The light in the Blueprint Editor's Preview Scene does not respond to any lighting channel but 0.
UE - Framework - Blueprint Editor - Jun 28, 2024In the Blueprint Editor, Primitive Components can be configured to respond to Lighting Channels 0, 1, and/or 2. However, if channel 0 is disabled (even with another one enabled), the Preview Actor's ...
Artifacts in imported GLB and GLTF files
TM - Interoperability - Mar 10, 2025Reported in SF [Link Removed] Client reports that many of their GLB and GLTF files they use appear with visual artifacts when imported to Twinmotion. These artifacts only appear in Twinmotion and n ...
Cannot paint landscape layers onto tiled landscapes
UE - LD & Modeling - Terrain - Landscape - Jun 30, 2015paint layers do not take effect on all tiled layers that have a material incorporated if a user attempts to paint on them from the persistent level. ...
[CrashReport] FBlueprintEditor::OnRemoveExecutionPin()
UE - Gameplay - Blueprint Editor - Jul 14, 2017This is a common crash affecting users on Mac and Windows. User Descriptionsremoving empty execution pins from sequence node Source Context 3952 void FBlueprintEditor::OnRemoveExecution ...
Wind Directional Source is not updated when changing values via blueprints
UE - Gameplay - Blueprint - Sep 29, 2014CL: 2306964 Link: https://answers.unrealengine.com/questions/105058/speedtree-wind-dir-source-actor-not-refreshing-fro.html Description: Cannot set the Wind Directional Source component settings via ...
[CrashReport] UE4Editor_Landscape!ALandscapeProxy::CreateLandscapeInfo() [landscape.cpp:752]
UE - LD & Modeling - Terrain - Landscape - Jul 14, 2017This is a common crash affecting users through 4.14 to 4.16. Users have not provided any descriptions. Source Context 740 #if WITH_EDITOR 741 ULandscapeInfo* ALandscapeProxy::Creat ...
Unable to PIE + Crash after editing SColorGradingPicker
Tools - Jul 26, 2017Changing Color Grading settings of a post process volume and using "Enter" to commit changes prevents the editor from entering PIE / Simulate mode with the error message "Can't Play In Editor / Simu ...
[CrashReport] UE4Editor_Engine!UMaterialExpression::GetOutputType() [materialexpressions.cpp:859]
UE - Rendering Architecture - Materials - Nov 21, 2017This is an infrequent crash in the 4.18 release. Users have not provided any descriptions of their actions when the crash occurred. Source Context 849 uint32 UMaterialExpression::GetOutputT ...
nDisplay VIOSO Projection Policy broken since 5.0.3
UE - Virtual Production - nDisplay - Nov 25, 2022Hi Sevan, I think we are having a bug: When using our calibration format “vwf” the image is slightly misaligned. Same calibration exported MPCDIv2 works good in UE. So it seems to be some issue ...