Unreal Engine Issues
Unreal Engine Issues
Untracked Metadata does not work on arrays of soft objects
UE - CoreTech - Jul 19, 2021The "untracked" metadata field turns off tracking of soft object references so they will not appear in the content browser or modify things like cooking rules. It works fine on individual references ...
[Electra] Electra fails to play video after the second time with the fast Vsync option via NVIDIA control panel
UE - Media Framework - Mar 3, 2022It seems to be a NVIDIA's driver-side issue. ( Driver version is 511.79. ) The users can avoid the error by canceling the fast VSYNC option and reverting to the default VSYNC setting. Alternative ...
Incorrect Redirector(s) created when renaming a LevelSequence
UE - CoreTech - UObject - Jan 19, 2024Renaming the LevelSequence also renames the internal DirectorBP. Renaming the BP triggers the rename of its BlueprintGeneratedClass asset. A Redirector will be created for the BGC but it will be in ...
Navmesh blocking representation for cylinders is wrongly offset when the mesh has IsDynamicObstacle=true
UE - AI - Navigation - Jul 16, 2024In a mesh asset, setting Navigation>IsDynamicObstacle=true will make the Navigation / Cylinder Collision projection appear in a wrong position. As described in the case, the fix should reside in Na ...
GPU Crash may occur when using Nanite Tesselation on landscape with several shadow casting local lights
UE - Graphics Features - Nanite - May 5, 2025The GPU may time out in NaniteSplit when drawing VSM shadows for Nanite Tessellated landscape with in a scene with several local shadowed point lights. The issue doesn't reproduce in 5.6, likely to ...
Skeletal Mesh breaks perspective view in Physics Asset Tool.
UE - Simulation - Physics - Feb 19, 2016When importing licensee's provided asset the Physics Asset generated will completely break the Perspective View in PhAT. The other orthographic views will work as intended though. The licensee has ...
Regression: Visibility property is not seen in the animation track in UMG
UE - Anim - Sequencer - Mar 6, 2017Visibility track in 4.15 launcher version is not visible. Converted projects from previous version which already had this track, but cannot create new one. If I add Interp keyword in the UPROPERTY, ...
Previewing Node in Material Editor Produces Unexpected Output with DX12
UE - Graphics Features - May 16, 2018Per Licensee: Since we switched to DX12 we started to see strange behavior in material previews. I was able to reproduce the problem in UE 4.19 vanilla as well. We usually have to force recompilin ...
Behavior of NewBinding and ExistingBinding are different inside Shot track
UE - Anim - Sequencer - Jul 6, 2018When using NewBinding, the bind does not work properly with the level sequence specified by ShotTrack. The cause is that Guid of ExistingBindingID will be empty when passing through ActorPicked in ...
Set Range Animations imported from 60Hz frametime is halved
Tools - Aug 3, 2018Reported by a licensee on UDN, this bug is fallout from the fix made for the following Jira:[Link Removed] - Fbx importer: animation range import is broken when importing 60Hz anim The attached ass ...