Unreal Engine Issues
Unreal Engine Issues
Property Coloration isn't supported for Nanite
UE - Graphics Features - Nanite - Sep 11, 2023Property Coloration View Mode is not supported by Nanite. (Left cube is Nanite and isn't affected by the Property Coloration view mode) [Image Removed] ...
Adding Images: The image header is unrecognized
RC - Editor - Feb 14, 2025This issue occurs only on Windows 11 24H2, but it affects all RealityCapture versions on this OS. It is allso not possible to open the images with the Windows Photos App. ...
Changing the “DistanceField Trace Distance” requires rebuilding the lightmaps
UE - Graphics Features - Feb 18, 2025Changing the “DistanceField Trace Distance” requires rebuilding the lightmaps even though the valu never affect light baking process in Lightmass. ...
Video material broken on Mac
TM - Rendering - Oct 21, 2025On Mac devices, the video material in the viewport will display incorrectly, appearing stretched significantly. This only seems to affect the viewport and not rendered exports. ...
BlueprintNativeEvents with no return value (void) cannot be overridden in Blueprints.
UE - Gameplay - Blueprint - Dec 22, 2014BlueprintNativeEvents (and BlueprintImplementableEvents) are not available to be overridden in a Blueprint Graph if they do not return a value. This affects both functions present in source code, as ...
Crash when Landscape Max LODLevel is set to 0
UE - LD & Modeling - Terrain - Landscape - Mar 16, 2018Reproduced in 4.19.0 CL 3944462 and 4.20 Main Unable to reproduce in 4.18.3 CL 3832480. This is a regression. ...
Unable to package with nativized functions that have a delegate-type input variable
UE - Gameplay - Blueprint - Oct 2, 2018Attempting to package a project that has nativization enabled for a function that takes a delegate-type variable as an input results in failure. Regression?: No This occurred in 4.19 ...
Vulkan crash on Android when suspending and resuming app
UE - Platform - Mobile - Sep 27, 2016Access Violation crash deleting a Widget Blueprint with an unsaved Animation track - FSequencer::Tick()
UE - Anim - Sequencer - Jun 19, 2017Encountered an Access Violation crash while deleting an Widget Blueprint with an unsaved Animation Track. The callstack references FSequencer::Tick(). I was not able to reproduce this issue in UE4/ ...
Converting BSP to static mesh on Linux causes the editor to crash
UE - Platform - Linux - Mar 11, 2016Converting a BSP to a static mesh will freeze and crash the editor when done on Linux. Windows does not exhibit the same conversion crash. ...