Unreal Engine Issues
Unreal Engine Issues
Child Widget Blueprint does not inherit bindings in exe
UE - Editor - UI Systems - Nov 16, 2018When packaging a project for Windows, Child Widget Blueprints do not inherit bindings. Tested in 4.20.3 (CL - 4369336), 4.21.1 (CL - 4567586), 4.22 (CL - 4572453) ...
Cannot use "ProjectName (Debug) (ProjectName)" debug configuration in VSCode on Mac with binary Engine installation
UE - Foundation - Core - Dec 3, 2018Attempting to debug in VSCode on a Mac using the ProjectName (Debug) (ProjectName) configuration fails due to a missing precompiled file in the binary Engine installation. REGRESSION: No. The same ...
Calling Console Commands in Python doesn't execute
UE - Editor - Workflow Systems - Feb 5, 2019The console commands do not execute from Python if optional PlayerController parameter is not filled. Tested in 4.20.3 (CL- 4369336), 4.21.2 (CL - 4753647), 4.22 (CL - 4902349) ...
Can't assign LightMapCoordinateIndex on Static Mesh with generated LODs
Tools - Jan 10, 2020Once a static mesh have generated LODS, the only lightmap index value the static mesh editor's UI accepts is 0. We should be able to set the index to any value between 0 and 3 as long as there are ...
Niagara Map Set parameters are improperly named
UE - Niagara - Mar 9, 2020Parameters are misnamed when adding a new parameter to Map Set in a Niagara Module Script Tested: 4.23.1, 4.24.3 , 4.25 preview, 4.26 (main) ...
Creating a function with parameter type TEnumAsByte<MyEnum> will crash while compiling
UE - Editor - Jan 11, 2022This is a regression.This does not affect UE5. Creating a function with parameter type TEnumAsByte<MyEnum> will crash while compiling. In 4.26 and UE5 the code compiles without issue, and the user ...
[AI] Area Class to Replace does not work on SplineNavModifierComponent
UE - Runtime - Character - Jun 16, 2025The SplineNavModifierComponent does not have the same behavior as regular nav modifier components where the modifier can specify that it only replaces a given NavArea class. Setting the area class t ...
The Delay node cannot be added to the StandardMacros bp in the Engine folder
UE - Gameplay - Blueprint - Jan 19, 2015The Delay node cannot be added to the StandardMacros bp in the Engine folder. However, the Delay node can be added to a new Macro Library bp and any Macro in an actor class blueprint. ...
Crash right-clicking in anim blueprint asset picker
OLD - Anim - Mar 10, 2017Editor crashes when right-clicking in the blank area of the anim blueprint asset picker ...
Crash on PIE exit after dynamically enabling and disabling tick functions through the Level Script blueprint.
UE - Gameplay - Mar 23, 2018User reports hitting an assertion due to invalid FTickTaskManager state when game is attempting to unregister a tick function that was previously disabled dynamically. Failed assertion is in FTickT ...