Unreal Engine Issues
Unreal Engine Issues
Debug information is sometimes missing when compiling with cl-clang
UE - Foundation - Cpp Tools - UnrealBuildTool - Aug 24, 2023Via UDN: As has been discussed previously here and in CL 20055361, debug information is sometimes missing when compiling with Clang. We've pinpointed this to debug information not being emitted fo ...
When exporting a level sequence (with its associated level) to USD, the asset paths for the reference are different from 5.5 and older
UE - Editor - Content Pipeline - USD - Jul 21, 2025In 5.6, a referenced asset path looks something like prepend references = @../../../../../Data/USD/Exports/FN-Main/ExportFolder/Assets/Sphere.usda@ instead of prepend references = ...
Cursor radius set via FSlateApplication::SetCursorRadius is ignored during FHittestGrid hit testing
UE - Editor - UI Systems - Slate - Mar 16, 2026The cursor radius configured through FSlateApplication::SetCursorRadius() is not respected during Slate hit testing. The radius value is correctly stored in FSlateApplication and passed into FHittes ...
Tilemap using Masked Lit Sprite Material not Rendering in Standalone mode
UE - Gameplay - Paper2D - Jan 26, 2016When using a Tilemap with a Masked Lit Sprite Material, the tilemap will not render while in Standalone. In the test project, the Paper2D Blueprint character was switched to Masked Lit Sprite Materi ...
Crash occurs when entering r.GbufferFormat 3 and running the Pixel Inspector Tool
UE - Graphics Features - Jun 13, 2017A crash occurs when attempting to run the Pixel Inspector tool after entering 'r.GbufferFormat 3' What this does is defines the memory layout used for the GBuffer. (affects performance, mostly thro ...
Unable to locally rotate individual foliage
UE - World Creation - Worldbuilding Tools - Foliage - Jul 14, 2017Unable to locally rotate individual foliage. This seems to have been a limitation of the foliage tool from it's creation. Licensee Description: I would like to ask if there is any way how to preve ...
Assign Event On Destroyed no longer creates Custom Event Node
UE - Gameplay - Blueprint Editor - Oct 9, 2018When creating a new Blueprint Class based on an Actor parent, If you navigate to the Actor's event graph, and right click on the editor blank space; type "Assign on Destroyed" and select "Assign ...
Crash: Unhandled exception UE4Editor_Renderer!FMobileBasePassMeshProcessor::Process
UE - Graphics Features - Mar 14, 2019HUD can cause a crash when used with Mobile. "When running from visual studio exception happens here: https://github.com/EpicGames/UnrealEngine/blob/4.22/Engine/Source/Runtime/Renderer/Private/Mobi ...
Rendering out PNG Sequence from Matinee yields Transparent PNGs
Tools - Mar 30, 2015When rendering a movie out as a PNG sequence, the PNGs are all rendered with Transparency and require the addition of a Black layer before the frame can be viewed as in the Matinee. Went back and t ...
Sprites don't initialize PixelsPerUnrealUnit in cooked builds, causing invalid values for GetSocketLocation, etc... for assets that have Pixels/uu of 2.56
UE - Gameplay - Paper2D - Jan 20, 2015In this user's project, playing in Launched or Packaged games causes the Get Socket Location to return an unusual report when used during a flipbook animation. Instead of a normal vector, the Print ...