[Sound Cue][Open World] - Crash when creating a Sound cue from an Ambient Sound actor on an Open World map

UE - World Creation - Worldbuilding Tools - OFPA - Apr 18, 2022

When trying to recreate an issue that resulted in [Link Removed], I came across this call stack.   Regression testing done in //UE4/Release-4.27.2 CL-18427296 and this issue did NOT happen. ...

Crash when locate_bound_objects is called

UE - Anim - Sequencer - May 14, 2024

This has been tested internally using an editor utility widget yielding the same results. That small project is attached. BoundingObjectTest. 1) Open the project 2) Run the Editor Utility Widget ...

New Docker image for latest horde has no bundled installers

UE - Foundation - Horde - Mar 4, 2025

Source UDN [Link Removed] & [Link Removed] & [Link Removed] We need to produce a docker image that contains latest bundled installers for 5.5.2 (or 5.5.3?). ...

Typing Lerp into context menu of material editor does not bring up Linear Interpolate node

UE - Rendering Architecture - Materials - Jul 31, 2015

If "lerp" is typed into the context menuof the material editor, "linear interpolate" will not appear as one of the options within the menu. Typing "Linear Interpolate" or pressing L+LMB works as exp ...

Crash when attempting to change the parent of a material instance constant through editor scripting

UE - Rendering Architecture - Materials - Apr 9, 2025

The built-in class "UMaterialEditingLibrary" provides various editor scripting functions related to creating and editing materials and material instances. One of these functions, UMaterialEditingLib ...

Changing the navigation for the root of a widget blueprint will cause a crash

UE - Editor - UI Systems - Sep 28, 2015

Changing the navigation of the root of the widget blueprint will cause the editor to crash ...

Swarm Coordinator is not distributing Lighting Builds

UE - Foundation - Core - Jul 20, 2015

Swarm Coordinator in 4.8.1/2 is not distributing light builds across accessible agents. If you have and open a Coordinator included in the 4.7.6 build of the Engine, Coordinator is distributing cor ...

Adding Angular Impulse on Begin Play causes a Crash

UE - Simulation - Physics - Jun 29, 2016

Calling Add Angular Impulse on BeginPlay causes the editor to crash. Workaround: Adding a short (.01s) delay after BeginPlay prevents the crash. Regression: No, crash occurs in 4.11.2 as well. ...

Landscape brush not visible when landscape material uses World Position Offset

UE - LD & Modeling - Terrain - Landscape - Jan 13, 2016

Landscape brush not visible when landscape material uses World Position Offset. Update: Brush also not visible when landscape material uses displacement. Tested in Binary 4.10.2 from launcher. ...

Opening Persona causes editor to crash on Linux

UE - Platform - Linux - Nov 17, 2016

Attempting to open a skeletal mesh or animation in Persona causes the editor to crash. Regression: Yes Working: 4.13.2 - CL 3172292 Broken: 4.14.0 - CL 3195953 ...