Unreal Engine Issues
Unreal Engine Issues
Instanced Static Mesh components update incorrectly in Standalone and Packaged game
UE - Gameplay - Aug 11, 2017Instanced Static Mesh components update incorrectly in Standalone and Packaged game. When hit, all of the instanced static mesh components will snap to a singular location instead of each individual ...
[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. ...
Artifacts when using virtual textures for multiple attributes in material layers
UE - Rendering - Architecture - Materials - Sep 29, 2022When using the Material Layer system and virtual textures, the number of physical texture samples in the shader increases with the number of material attributes that a virtual texture writes to. The ...
[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 ...
Color picker widget auto-closes unnecessarily
UE - Editor - Aug 3, 2026A licensee reports that the color picket widget in Unreal Editor closes whenever a blueprint actor (map placed instance of an actor blueprint) receives a property changed event, even if the change e ...
Fix up IOS errors calling UI API from non-UI threads
UE - Platform - Apple - Jul 27, 2020Ensure 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 ...