Toggling visibility of Sublevels on a server can cause a disconnect if Dynamic Actors exist in the sublevels.

UE - Networking - Aug 17, 2018

The PackageMap / NetGuidCache appear to get into a bad state on Clients if the Server toggles level visibility of a sublevel. This can affect currently connected clients, as well as clients that jo ...

Ambient Occlusion decals ignore Receive Decals setting on meshes

UE - Graphics Features - Feb 13, 2020

Adding an ambient occlusion decal material to a decal affects objects with "Receives Decal" disabled. Tested in: 4.23.1 CL#9631420 4.25 CL#11341939 ...

Editor freezes then crashes while attempting to save during PIE

UE - Gameplay - Blueprint - Jun 8, 2015

A level blueprint that has blueprint functions on keybound events freezes and crashes when in PIE and save is pressed. Frequency: 7/7 Crashreporter: [Link Removed] Note: If all level blueprint n ...

Editor crashes When exiting VR mode if the command "hmddbg showcamera on" was used

UE - Platform - XR - Jun 30, 2015

If the user inputs the command "hmddbg showcamera on" via a command line input then the editor will crash when exiting out of VR Mode. ...

Deleting static mesh that is used by foliage tool in content browser then selecting foliage window crashes editor

UE - World Creation - Worldbuilding Tools - Foliage - May 11, 2015

If a static mesh is being used by the foliage tool and then deleted in the content browser, the foliage tool will retain a copy of the object and crash the editor if the foliage window is selected a ...

Adding a Blueprinted custom StaticMeshComponent to a Blueprint results in an Ensure being triggered.

UE - Gameplay - Components - Aug 24, 2015

If a Blueprint is made from a custom Blueprintable StaticMeshComponent, and that Blueprint is added as a component to another Blueprint, an Ensure is triggered. No Ensure occurs if the custom nativ ...

Duplicating a blackboard node within a behavior tree will cause a crash

UE - AI - Jul 16, 2015

When using the shortcut Crtl+W to copy a blackboard node within a behavior tree the editor will crash ...

Removing Aimoffset node from anim blueprint crashes editor

OLD - Anim - Aug 27, 2015

Removing Aimoffset node from anim blueprint crashes editor Frequency: 2/2 crashreporter: N/A ...

Attempting to add or alter custom functions in character blueprint crashes editor upon compile

OLD - Anim - Aug 27, 2015

Editor crashes when adding or adjusting functions within character blueprint. Frequency: 5/5 Crashreporter: N/A Note: Does not reproduce on a new character blueprint, this seems limited to a cha ...

Clicking "Pause on Impact" with in the details of the InterpToMovement component will cause a crash

UE - Gameplay - Blueprint - Apr 30, 2015

When checking the "Pause on Impact" check box within the details panel for the InterpToMovement component, the editor crashes ...