Unreal Engine Issues
Unreal Engine Issues
Cannot edit collision response details in SkeletalMesh components added via Blueprint.
UE - Gameplay - Blueprint - Aug 5, 2015If the mesh component is added in Blueprint (i.e. in the Blueprint editor and/or through Construction Script), then it's not possible to edit the collision response details for an instance of the co ...
[MetaSounds] - Input Parameter Settings revert to the default after a MetaSound becomes virtual
UE - Audio - MetaSounds - Sep 23, 2022On restarting from Virtualizing, any parameters set previously on a MetaSound are ignored and the MetaSound restarts with the default values. This does not behave this way with Sound Cues, in which ...
Function calls inside destructor are not called when expected.
UE - Gameplay - Blueprint - Jul 13, 2015Functions called in the destructor are not being called properly. Setting a call to AddOnScreenDebugMessage is displayed at the start of PIE rather than when the actor's destroy is called. ...
[MetaSounds][Voice Management] - MetaSounds set to Restart do not virtualize correctly when the Attenuation Shape is not a Sphere
UE - Audio - MetaSounds - Aug 17, 2022When using Attenuations with MetaSounds, if the Attenuation Shape is Sphere it works as expected. However, other shapes do not work correctly. The sound either becomes deactive or sometimes the soun ...
Destructible Mesh component doesn't show in bp viewport until the bp is reopened
UE - Simulation - Physics - Destruction - Jun 10, 2016Destructible Mesh component doesn't show in bp viewport until the bp is reopened User Description: Mesh dont appears in viewport after add DestructibleComponent and set "Destructible Mesh". After ...
The Left Mouse Button Pressed event is not firing when Input Mode Game Only is set and Show Mouse Cursor is true
UE - Editor - UI Systems - Slate - Sep 20, 2019The Left Mouse Button Pressed event is not firing when Input Mode Game Only is set and Show Mouse Cursor is true. Attached is an example project (4.23) that demonstrates the issue. Found in 4.23.0 ...
Lumen Global Distance Field Trace Leaking due to Surface Cache Sampling
UE - Graphics Features - Jan 12, 2026At specific distances from a thin wall, surfaces inside of a sealed chamber can receive indirect lighting from outside, leaking light into the chamber. This appears to be due to how SWRT handles sa ...
Unable to dynamically load an animation blueprint in a packaged game
UE - Gameplay - Jul 27, 2015Dynamically loaded animation blueprints do not work within packaged product. Download the pre-made project from here: [Link Removed] ...
Visual Logger Timeline is not updated when Viewport is in fullscreen
UE - AI - Debugging - Jan 14, 2025Context The Visual Logger is a powerful debugging tool to create and record visual representations, and allows people to review the data. Problem The problem is that it does not record things don ...
Global SkyAtmosphere and Clouds Issues (Cloud Shadows)
UE - Graphics Features - Dec 3, 2024Sampling Cloud Shadows when rendering the Sky Atmosphere can incorrectly assume that the view is located at the planet's North Pole. This causes distortion in the shadows when using a sphere-shaped ...