Unreal Engine Issues
Unreal Engine Issues
Distance field shadows cut out early in the second eye
UE - Platform - XR - May 3, 2022Distance field shadows have artifacts in the second eye in XR as shown on the picture. [Link Removed] ...
HLOD is not created correctly when using RuntimeSpatialHashPlaceSmallActorsUsingLocation.
UE - World Creation - Worldbuilding Tools - HLOD - May 30, 2022[Interchange]: Skeletal mesh import do not take geometric transform
UE - Editor - Content Pipeline - Import and Export - Oct 9, 2024We need to support geometric transform for meshes when importing skeletalmesh ...
Crash when exporting static mesh actor to FBX (Array index out of bounds)
UE - Editor - Content Pipeline - FBX - Apr 25, 2025I set the Forced LOD Model on the mesh component > 1, then tried to export, this is what causes the crash. Here is my suggested fix, we just don't use Git or I'd do a PR: In the else() branch of FF ...
Crash when displaying lumencards on map with many objects
UE - Rendering - Graphics Features - Lumen - Aug 1, 2025There is a thread conflict between FRDGBuilder execution in Background Worker and LumenVisualizer's LumenCard add/delete process. When lumen cards are displayed in a scene with many objects, a crash ...
InvariantLeft and InvariantRight justification mispositions wrapped multi-line text
UE - Editor - UI Systems - Feb 26, 2026When a UMG Text widget is set to Auto Wrap and uses InvariantLeft or InvariantRight, the wrapped visual lines are positioned differently than expected compared to Left/Right. In the current engine ...
Camera actor preview window does not display properly in orthographic view
Tools - Apr 13, 2015Adding a camera to the scene and setting the projection mode to orthographic doesn't display properly in the preview window. ...
Compiling blueprint with anim bp crashes editor in MathExpr exec
UE - Gameplay - Blueprint - Jan 30, 2016Compiling a player character blueprint that is tied to an anim bp crashes the editor. Frequency: 2/2 Crashreporter: N/A ...
LIVE: The editor crashes on Mac when attempting to open the attached Media Player .uasset
Tools - Nov 4, 2014Does not occur on PC. CRASHREPORT: [Link Removed] CALLSTACK: <unknown module>! FOutputDeviceMacError::HandleError() <unknown module>! EngineCrashHandler(FGenericCrashContext const&) <unknow ...
Converting Texture Sample to Parameter when MipValue set to "Level" or "Bias"
UE - Rendering - Architecture - Materials - May 27, 2015When a Texture Sample's MipValue is set to something other than "none" (which adds the extra pin), attempting to convert that Texture Sample to a parameter will cause the Editor to crash. (Simple r ...