Unreal Engine Issues
Unreal Engine Issues
ChordBlockers don't work as expected when ChordAction is set in InputAction
UE - Gameplay - Input - Jun 3, 2025In the Enhanced Input System, when using a UInputTriggerChordAction to define a chorded input (e.g., Shift + W), the automatic chord blocking system (UInputTriggerChordBlocker) only functions correc ...
Spline Array created in code cannot be edited in a blueprint
UE - Gameplay - Components - Apr 20, 2015If a TArray of spline components is created in code it is not possible to edit/add nodes to the spline inside a blueprint. ...
Spline Mesh Component created from KML file doesn't render in PIE after spline point change
Tools - Oct 8, 2015Spline Mesh Component created from KML file doesn't render in PIE after spline point change I cannot get this to occur outside of the users test project. He is pulling data from a KML file, creatin ...
Adding a scene component to a child blueprint causes log warnings to appear in output log
UE - Gameplay - Blueprint - Sep 1, 2015If a scene component is added to a child blueprint and the parent blueprint is compiled, a log warning will appear that states: "LogBlueprint:Warning: USimpleConstructionScript::FixupRootNodeParen ...
DetourCrowdAIController causes AI to update movement differently
UE - AI - Apr 3, 2015When you use MoveTo BT node, with a target set as Actor and your AIController is DetourCrowdAIController, the AI pawn will update its goal destination much less frequently. Instead of constantly fo ...
Input from a second gamepad is not detected until the game window is clicked with the mouse
UE - Gameplay - Input - Dec 12, 2014In a packaged local multiplayer game, input from a second gamepad is not detected until the game window is clicked with the mouse. The first gamepad input is detected as expected. ...
The World Outliner doesn't refresh after Seamless Travel
Tools - Apr 27, 2015The World Outliner doesn't refresh after Seamless Travel. Enabling any of the View Options will refresh the list to properly show the actors in the current level. Reproduced in 4.7.6 binary and Mai ...
Custom Depth as Mask in High Resolution Screenshot Tool saving Boolean Value
Tools - Jul 28, 2016Closing and re-opening a project that had the 'Use Custom Depth as Mask' option checked within the High Resolution Screenshot Tool, will cause the boolean value to be unchecked and the viewport to r ...
P_GPU_particls_collision2 barely visible when rendering in OpenGL3
UE - Graphics Features - Aug 17, 2016I first experienced this on my Linux machine using a P4 build. I checked it against Windows in DX11 and did not experience the issue. Afterwards, I followed the above repro steps and saw it was occ ...
Seamless travel not supported in single process warning while single process PIE is disabled
UE - Networking - Aug 23, 2016I initially noticed this when I had it set to a single process, but the same error was occurring when I had single process turned off. To double check that Seamless travel was enabled I ran the con ...