Unreal Engine Issues
Unreal Engine Issues
Capsule Shadows Not Visible When Using Movable Skylight With Bright Lower Hemisphere Color and Indirect Lighting Cache
UE - Graphics Features - May 9, 2018I have managed to reproduce this issue in 4.18.3 and 4.19.2. In order to make the Capsule Shadow disappear:Indirect Lighting Cache must be used (Volumetric Lightmap works)Skylight must be set to 'M ...
ResavePackagesCommandlet needs to handle resaving ExternalActors for -FixupRedirectors
UE - World Creation - Worldbuilding Tools - Dec 19, 2023ResavePackagesCommandlet -fixupredirects fails to fixup pointers from external actors that are pointing to objectredirectors. It fails to fixup those pointers because we specifically skip loading of ...
A crash happens with a combination of Event Receive Tick AI and a pawn losing possession
UE - AI - May 18, 2022User reports this is a regression because it worked in 4.27, but they converted to 5.0.1 and now it causes a crash. However, I'm unable to verify this at this time. A crash happens with a combinati ...
GoogleVR - Crash opening application on device: FATAL EXCEPTION: MainThread-UE4
UE - Platform - XR - Oct 30, 2018GoogleVR package for android crashes on startup with the following error:10-30 11:36:52.658: E/AndroidRuntime(12189): FATAL EXCEPTION: MainThread-UE4 10-30 11:36:52.658: E/AndroidRuntime(12189): Pr ...
Sequencer: No preview animation shown without an animation track
UE - Anim - Sequencer - Apr 2, 2019From User: "Sequencer: When using an animBP there's no animation at all (preview) without an animation in the animation track. Strangely enough the animation BP starts running if you add any animat ...
Spline mesh crashing in FRayTracingDynamicGeometryCollection::AddDynamicMeshBatchForGeometryUpdate
UE - Graphics Features - Ray Tracing - Jan 31, 2025A crash occurs when using ray tracing with spline meshes preceded by the following ensure : Ensure condition failed: NumCPUVertices <= VertexBufferNumElements File: Engine\Source\Runtime\Renderer\ ...
StreamableManager completion callback can happen after being canceled in same frame
UE - CoreTech - Feb 16, 2024FStreamableHandle (used as part of the FStreamableManager system) has a CancelHandle function that stops it from calling any completion callbacks related to that handle (it could cancel the load req ...
Add Chunks button in asset audit tool does not function because of name compare problem
UE - Editor - Content Pipeline - Content Browser - Aug 5, 2020The Asset Audit window uses the content browser to display information about both real assets and fake assets like chunk definitions. When you hit the Add Chunks button, it adds several fake assets ...
Consolidate ScreenSize code and refactor to avoid confusion
OLD - Anim - Aug 22, 2016We do have very inconsistent system between Static/Skeletal and the current name is set for ScreenSize. However, Static mesh and HLOD are using ScreenSize name for Screen area calculation. We wan ...
Assert when having too many VR devices
UE - Platform - XR - Aug 31, 2018Internal team is encountering a crash when adding too many VR devices. Email thread titled "Re: Crash Logs" The bug is an internal limit of devices the code supports, which is 8. If a controller o ...