Input Touch Hold trigger fails to reset, unlike Mouse Hold (using Enhanced Input Context)

UE - Gameplay - Input - Nov 13, 2025

When using the Enhanced Input Context, the Input Touch Hold trigger does not reset correctly after releasing a touch input. Unlike Mouse Hold, which keeps firing Canceled events as expected, Input T ...

Blueprints can enter a corrupted state where Actors construct DefaultSubobjects using CreateOptionalDefaultSubobject, even though child classes call DoNotCreateDefaultSubobject

UE - Framework - Blueprint - Nov 28, 2025

Blueprints can enter a corrupted state where Actors construct DefaultSubobjects using CreateOptionalDefaultSubobject, even though child classes call DoNotCreateDefaultSubobject. In some situations, ...

In 5.7, a Sequencer that contains a Spawnable ChaosCacheManager will crash the Engine on EndPlay

UE - Simulation - Core - Nov 30, 2025

In 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 ...

New folder shortcut (Ctrl+Shift+N) does not work in multi-Content Browser layouts until a folder is manually focused

UE - Editor - Workflow Systems - Sep 23, 2025

In 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, 2015

Moving 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, 2015

Descrition: 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. ...

Dragging Marquee in Orthographic Views results in Selecting Unintended Objects

Tools - Mar 17, 2015

In 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, 2016

After 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, 2016

Character 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, 2015

Physics Thruster actor does not affect destruction meshes that it is attached to. ...