Unreal Engine Issues
Unreal Engine Issues
LLM "graphics" in DX12 is always 0
UE - Graphics Features - May 9, 2022AdvanceTimeByDistanceMatching doesn't respect PlayRateClamp when DistanceTraveled is 0
UE - Anim - Gameplay - Oct 6, 2022UDN link: [Link Removed] ...
MaxChannels (Voices) is printed incorrectly to the Output Log on new projects
UE - Audio - Mar 16, 2022The Max Channels (voices) setting displays in the output log as 0 on new projects. Likely a result of [Link Removed]. Issue is in display only (there are 32 voices), but should ideally report the de ...
Editor queries source control for files outside the project or engine
UE - Platform - XR - May 12, 2022When using SVN as SSP, the following warning will be output to the log LogContentStreaming: Texture pool size now 1000 MB LogSourceControl: Attempting "svn status --show-updates --verbose --xml "/ ...
Custom Stencil does not display in UE5.0
UE - Editor - UI Systems - Apr 21, 2022Events on frame 0 fire twice
UE - Anim - Sequencer - Jan 17, 2017Regression - does not occur in 4.13.2 or 4.14.3 Does occur in Dev-Sequencer ...
Assertion failed: UnscaledViewRect.Width() > 0
Tools - May 23, 2018Crash when using new FCanvasDrawer Licencee notes that crash does not occur if "new FCanvasDrawer" is commented out. ...
Invalid GUIDs on new material instance parameters cause overrides to break on base param rename
UE - Rendering Architecture - Materials - Sep 3, 2025When a parameter value is assigned on a newly created material instance (constant or dynamic) using Set***ParameterValueInternal, the parameter’s ExpressionGUID is left invalid (0,0,0,0). Parameter ...
[CrashReport] UE4Editor_Engine!TArray<unsigned int,TAlignedHeapAllocator<0> >::BulkSerialize() [array.h:1173]
OLD - Anim - Mar 19, 2018Comments from users in crash group:I was loading my project which i have made a copy from previous version of the engine (4.18).4.19 preview crashed while opening my project on 90% ...
PCG sampling of RVT does only works when sampling the first texture layer
UE - World Creation - Procedural Tools - PCG Component - Dec 11, 2025The logic for selecting a page table texture in FVirtualTexturePageTable::Initialize() uses the indexing for texture layers (index 0-7) to fetch from the page table textures (index 0-1). All RVT for ...