Unreal Engine Issues
Unreal Engine Issues
Editor crash while saving asset during cook operation
UE - Foundation - Data Pipeline - Cooker - Apr 2, 2025It is possible to experience an editor crash in 5.5.4 when the cook process generates a warning that references an asset while the editor is saving. It seems that during a save operation, the code t ...
Crumbling Geometry Collections do not render for one frame when child clusters crumble
UE - Simulation - Physics - Destruction - Oct 3, 2024Crumbling Geometry collection do not render for one frame when child clusters crumble. In the repro project a 4 particle GC is told to crumble. The single GeometryCollectionActor is then split into ...
Enabling Wireframe Mode along with HDR (EyeAdaptation) Visualization crashes the Editor
UE - Graphics Features - May 29, 2025In the Viewport, enabling Wireframe Mode (ALT+2) along with HDR (EyeAdaptation) Visualization crashes the Editor. I've tested different versions and this issue is not present on 5.0, but it reproduc ...
Set World Location at Spline Point node doesn't change spline point locations
Tools - Jul 10, 2015The Set World Location at Spline Point node does not correctly update the location of the indicated spline. ...
PropertySet : changes in instancedstruct are not detected by the watch
UE - Graphics Tools - Modeling Tools - GeometryScripting - Jan 24, 2025Hi, I tried to use for a scriptable tool the watch property node for a struct. The objective for me was to offer to my user a view of a struct in the scriptable tool and have these modifications b ...
When using "Set Playback Position" after "Pause", actor transforms are broken
UE - Anim - Sequencer - Jul 12, 2016When using "Set Playback Position" after "Pause", actor transforms are broken. Sending them off to an unexpected position. Adding a delay seems to resolve the issue, but seems like it should still ...
Packaging with plugins GearVR and GoogleVR together cause build failed with multiple definitions of GetHMD()
UE - Platform - XR - Sep 7, 2016Packaging with plugins GearVR and GoogleVR together cause build failed with multiple definitions of GetHMD(). Log attached for build error and error portion plugged into the callstack box. ...
Crash occurs when trying to edit a MetaSound Source asset while a MetaSound Source object is referenced utilizing FObjectFinder in C++
UE - Audio - MetaSounds - Apr 14, 2022Crash occurs when trying to edit a MetaSound Source asset while a MetaSound Source is referenced utilizing FObjectFinder in C++ Repro Rate: 3/3Fatal error: [File:D:\build\++UE5\Sync\Engine\Source\R ...
crash at checkUERenderCommandPipeIsReplaying in RenderScenecpp
UE - Rendering Architecture - Jul 15, 2024Drawing a material to a render target when that material samples an RVT can cause an editor crash. In our testing, the check() did not always occur on the first PIE session, but would always occur ...
ACineCameraAttachMount's "Target Actor" constraint does not work with Spawnables or Replaceables in Sequencer
UE - Virtual Production - Tools - Virtual Camera - Aug 12, 2025Constraints (UTickableConstraint) are usually created throuh the "Animation" tab available in the Editor's "Animation Mode". When created through that interface while Sequencer is open, the internal ...