Double clicking on Interface Function in Blueprint Graph does not take you to the function implementation.

UE - Editor - Jan 11, 2024

When double-clicking on an interface function call within a blueprint, the expected behaviour is that it will take you to the implementation of this function. However, it currently does nothing. ...

Creating MaterialInstanceDynamic for a moving/crumbled geometry collection component, the rendering position is reset to the initial location

UE - Simulation - Physics - Destruction - Apr 23, 2024

Creating a MID makes the render state dirty and the engine will recreate a new scene proxy without the current attitude. This results in rendering the object in incorrect location. Here is a tempor ...

Using Clip() in a material may cause the outline to be displayed incorrectly on the Editor.

UE - Graphics Features - May 3, 2024

This appears to be from an interaction between the Depth Fade Expression, clip() in a Custom Expression, WPO being enabled, and the fact that the pass that draws objects for the editor outline runs ...

EnhancedEditorInput.bAutomaticallyStartConsumingInput editor setting resets to false on editor startup.

UE - Gameplay - Input - Jun 17, 2024

The editor setting for automatically start consuming input can be set to enabled as a boolean, but whenever the editor restarts this value is reset to false. ...

Crashes when applying material on objects after changing UV mapping parameters with Lumen enabled.

TM - Core - Jun 20, 2024

Info from the user: "This is super basic, only just started to build the scene. I have modeled in Vectorworks 2024 Architect and imported it into Twinmotion via the export and not the live link. The ...

Self Shadow enabled causes shadow artifacts

UE - Graphics Features - Sep 4, 2015

Shadow artifacts will appears when the camera is moving towards a character or if playing will appears with the character if Self Shadow is enabled for the character. Sample video and image attache ...

Hang and Memory Spike when you create an endless loop in AnimBP Event Graph

OLD - Anim - Oct 27, 2015

Hang and memory spike (that doesn't go away) when you create an endless loop in AnimBP. Blueprints have a safeguard against this when you try to PIE with an endless loop, but I think the Animation ...

Infinite Script Recursion error crashes editor and produces UnrealScript errors in logs

UE - Gameplay - Blueprint - Aug 14, 2015

Macro that causes an infinite script recursion error crashes editor and produces errors in output log referring to UnrealScript. Frequency: 3/3 Crash Reporter; [Link Removed] ...

Memory leak in Shootergame

Docs - Samples - Jul 27, 2015

Memory leak when leaving Shootergame open for extended sessions. ...

Open a level that contains instanced meshes (with built lighting) will crash the editor

UE - Graphics Features - Mar 14, 2015

Open a level that contains instanced meshes will crash the editor. Per the users description, the level must have had lighting built and then another level loaded or the editor restarted. Once the ...