Unreal Engine Issues
Unreal Engine Issues
Light Propagation Volume does not work on Linux
UE - Graphics Features - Feb 1, 2021It's easiest to see the change on the top of the table or back of the chairs when following the repro steps. I've attached screenshots of the Windows and Linux comparison with Intensity set to 20. ...
[Quartz][Device Swap] - Quartz Clock Stops when swapping Audio Output Device
UE - Audio - May 2, 2022When swapping the audio output device while running PIE or a packaged game on Windows, Quartz clocks stop. Does not repro in Release-4.27, but can be reproed in Release-5.0. ...
[Audio Gameplay Volumes][Google Resonance] - Resonance Plugin Reverb Settings do not work on AGVs
Audio-Gameplay-Engineering - Oct 18, 2022Resonance Reverb Effects are not working on Audio Gameplay Volumes. They are working on legacy Audio Volumes. ...
EnhancedInput Triggers can become stuck in an triggered state after pause when using Set Mode UI Only and CommonUI
UE - Gameplay - Input - Jan 10, 2024TSparseArray NatVis visualizer doesn't work for arrays that use TInlineSparseArrayAllocator
UE - Core - Cpp Tools - Nov 6, 2025The NatVis visualizer allows many custom Unreal types to be displayed in a helpful manner inside the Visual Studio watch window. One such type is TSparseArray. Under normal circumstances, visualizin ...
Ensure triggered by level blueprint when Play as Listen Server is set
UE - Gameplay - Blueprint - Jul 14, 2015When Editor Multiplayer Mode is set to Play As Listen Server the editor will trigger a breakpoint on exiting PIE if any event is ran though the level blueprint ...
Custom Blend Graph cleared after switching Blend Logic
OLD - Anim - Apr 15, 2015User is not happy that the Custom Blend Logic Graph is cleared out if you accidentally switch the Blend Logic back to Standard ...
Implementing an interface in a blueprint does not show interface functions until interface is opened and compiled
UE - Gameplay - Blueprint - Aug 3, 2015If an interface is implemented within a blueprint, the initial function in the blueprint interface cannot be called in the actor. The function will be populated after compiling the blueprint interfa ...
Foliage does not spawn on Hierarchical Instanced Static Mesh Components
UE - World Creation - Worldbuilding Tools - Foliage - Jul 3, 2015Foliage does not spawn on Hierarchical Instanced Static Mesh Components ...
Landscape Physical Material always registers default
UE - Simulation - Physics - Mar 7, 2015Physical materials on landscapes always return DefaultPhysicalMaterial, even when the surface type is changed. ...