Unreal Engine Issues
Unreal Engine Issues
In 5.7, a Sequencer that contains a Spawnable ChaosCacheManager will crash the Engine on EndPlay
UE - Runtime - Simulation - Nov 30, 2025In 5.7, a Sequencer that contains a Spawnable ChaosCacheManager will crash the Engine on EndPlay. The licensee has reported, and I've confirmed, that this behavior started in 5.7. I've confirmed thi ...
Changing bIsSpatiallyLoaded can cause an Actor to be duplicated during Play-In-Editor
UE - World Creation - Worldbuilding Tools - World Partition - Dec 18, 2025Changing bIsSpatiallyLoaded can cause an Actor to be duplicated during Play-In-Editor. As described in the steps to reproduce, if we keep swapping bIsSpatiallyLoaded state and save a Streaming Level ...
New folder shortcut (Ctrl+Shift+N) does not work in multi-Content Browser layouts until a folder is manually focused
UE - Editor - Sep 23, 2025In multi–Content Browser layouts, the New Folder shortcut (by default Ctrl+Shift+N) does not work immediately after switching to another Content Browser tab. It appears that the editor does not auto ...
Moving an InstancedStaticMesh will not move meshes collision
UE - Simulation - Physics - Apr 10, 2015Moving an instanced static mesh will not move the collision along with the mesh. This will leave a visible mesh that players can walk through in one area and a blank space that cannot be walked thro ...
Vehicle Template dashboard texts is blurred when moving
Docs - Samples - Jan 14, 2015Descrition: When using the vehicle template the text rendered on the dashboard when using the car is blurred. This seems likely to how the text here is setup vs the hud for the 3rd person view. ...
Matinee doesn't display animated SkeletalMesh if its origin is out of view
UE - Anim - Sequencer - Jan 23, 2015From 8/17/16 Tools sync: This is probably also happening in Sequencer. Think Sequencer should just auto-set this flag. ----------------------------------- If a SkeletalMesh actor is placed beyond v ...
Dragging Marquee in Orthographic Views results in Selecting Unintended Objects
Tools - Mar 17, 2015In an orthographic view, dragging the marquee tool to select a group of objects will often result in other objects being selected outside the selection area. ...
Project Crashes with Warning: LightPropagationVolume.dll is Missing From Your Computer
UE - Graphics Features - Mar 23, 2016After disabling LightPropagationVolume in Plugins Editor, upon restart editor issues warning message 3 times and crashes, leaving project unable to be opened. REGRESSION: This does not occur in UE ...
Animation to Ragdoll: Character flips direction for 1 frame
Docs - Samples - Mar 8, 2016Character rotates 90 degrees abruptly for one frame so that it appears to "flip-flop" for that one frame between Death animation and conversion to ragdoll physics This is in relation to [Link Remov ...
Physics Thruster has no effect on destruction mesh
UE - Simulation - Physics - Destruction - Apr 13, 2015Physics Thruster actor does not affect destruction meshes that it is attached to. ...