Unreal Engine Issues
Unreal Engine Issues
Crash when attempting to change the parent of a material instance constant through editor scripting
UE - Rendering Architecture - Materials - Apr 9, 2025The built-in class "UMaterialEditingLibrary" provides various editor scripting functions related to creating and editing materials and material instances. One of these functions, UMaterialEditingLib ...
NVIDIA 5080 GPU Crash when launching City Sample with DX12
UE - Graphics Features - Lumen - Apr 16, 2025UPDATE This issue no longer reproduces on driver versions 580.88 and higher. City Sample game crashes immediately upon opening with a NVIDIA 5080 with the latest drivers as well as some previous dr ...
Local binary build fails for iOS platform.
UE - Foundation - Core - Oct 5, 2017Attempting to create a local binary build of the Engine for the iOS platform using BuildGraph is currently failing. While trying to build UHT for Mac using a remote build, the build fails because it ...
Connecting GetSequenceBinding node to LevelSequence including Spawnable Actor etc. will result in error
UE - Gameplay - Blueprint Editor - Feb 22, 2018[Link Removed] ・Open attached project ・Open NewMap ・Confirm that an error appears on the console ・When creating a Windows (64-Bit) package in this state, the same error occurs ...
Crash on 5.7 when running with the Vulkan RHI and async compute
UE - Rendering Architecture - RHI - Dec 4, 2025Making this a placeholder for now. Will fill out the description asap ...
GPU crash when using RVT BaseColor/Normal/Roughness format
UE - Rendering Architecture - May 24, 2023When using an RVT with BaseColor/Normal/Roughness format on DX12 with a GPU that supports Tier2, a GPU crash may be seen. ...
Oculus crash on "stereo on" when the proximity sensor is not triggered.
[Link Removed] Release-4.15 stream, latest. I built qagame in debug. Then I run it: trigger prox sensor - vr turns on 'stereo off' - vr off release prox sensor 'stereo on' - crash inside ovr_Submi ...
Multiple keys with the same value appear to be removed on Android for a Curve Table
UE - Gameplay - Components - Jul 8, 2019When using a curve table on android it appears that keys with duplicate values are removed. Link: [Link Removed] ...
Line Attractor Strength Varies By Frame Rate
UE - Niagara - Aug 20, 2015The Line Attractor node seems to render differently (have different strengths) between Cascade Viewport, Editor Level Viewport, PIE and Standalone/Launched Game In trying to capture movies for this ...
[AI] Changing NavMesh Resolution in config file does not update the quantFactor of existing navmesh
UE - AI - Navigation - Aug 6, 2025When we changed the resolution in the config, if you open a map and then look at the navmesh, the resolution it shows is the updated one from the config (assuming you haven't overridden anything) ...