Unreal Engine Issues
Unreal Engine Issues
Opening Sprite assets or Paper Flipbook crashes the engine in 5.3
UE - Gameplay - Paper2D - Apr 16, 2024Licensee was not able to open any Sprite asset file in 5.3 without it causing a crash. They were able to avoid this by disabling raytracing in the project. ...
GPU event descriptions are not properly formatted in Insight
UE - Rendering - Architecture - RHI - Jun 24, 2025Context Unreal Insights displays Timing Insights that can include GPU timing information. Rendering code such as FDeferredShadingSceneRenderer::RenderPrePass() generate such events.Problem Certain f ...
FD3D12BindlessResourceManager::GrowCPUHeap will cause GPU heap activation whether it's needed or not
UE - Rendering - Architecture - RHI - Sep 11, 2025The ctor of FD3D12BindlessResourceManager implies that GPU heap activation is intended to occur lazily with ERHIBindlessConfiguration::RayTracingShaders, however any call to FD3D12BindlessResourceMa ...
Attempting to override timeline function in child blueprint crashes editor
UE - Gameplay - Blueprint - Sep 24, 2015Attempting to override a timeline within a child blueprint causes the editor to crash. Frequency: 4/4 Crashreporter: [Link Removed] ...
Blur effect caused by command Stereo On
UE - Platform - XR - Jan 22, 2015When the console command "Stereo On" is used to start a game in fullscreen, objects in the level appear with a slight blur. Pressing Alt+Enter will "refresh" the screen and eliminate the blur effec ...
Creating a new level in content browser does not give user option of default/empty level
Tools - Sep 8, 2015Creating a new level in the content browser does not give user the choice of a default or empty level. ...
Landscape LODDistanceFactor not applied to levels that were not loaded when it is changed
UE - LD & Modeling - Terrain - Landscape - Mar 13, 2015Landscape LODDistanceFactor is not applied to levels that were not loaded when it is changed. Sample content shows a landscape in this state. Other landscape properties probably suffer from this s ...
Launch on for Win64 produces fatal error
UE - Foundation - Core - May 18, 2015Creating a C++ project and then attempting launch on for Windows 64 causes a fatal error crash in 4.8 preview 2 binary from launcher. Project recovers from fatal error and can then package and run . ...
Ensure on Mac when applying materials from content browser
UE - Rendering - Architecture - Materials - Mar 14, 2015User reports that dragging materials into the editor from the content browser causes a hitch, followed by an ensure that. The user could not produce a crash report. Logs included Unable to reprodu ...
Scroll Bars for Certain Editor Windows are Reversed when using Trackpad on Mac
UE - Platform - Apple - Mar 25, 2015Certain scroll bars within the Editor while on a Mac have their directions reversed. i.e. The 'World Outliner', the 'Details' panel within a 'Blueprint.' The suggested workaround I gave to the user ...