Unreal Engine Issues

Properly handle child actor component referencing Level Instance actor

Lumen generates gradated shading even if the light is a constant color sky light

Lumen generates a gradated shading even if objects are lit by a 360-degree constant sky light.[Link Removed][Link Removed] I looked into this and found that this comes from Spherical Harmonics int ...

Multiplying CompleCollision by inverse scale does not create a collision

If multiplying a mesh with ComplexCollision by inverse scale, the geometry may not be created on the mesh. This may depend on the assets of the mesh. In the sample example, the navmesh is not create ...

ReflectionCaptures as ChildActorComponents does not capture and reload the MapBuildData Correctly.

[AI] Debug Render Scene Proxy hits ensure for registering a delegate twice during level streaming.

Description from licensee: We're seeing an ensure get tripped up in FDebugRenderSceneProxy that says "DrawDelegate is already Registered!". Debugging the issue, we have confirmed that the DrawDeleg ...

Use Borderless Window setting doesn't work on Mac

[Link Removed] The UseBorderlessWindow setting appears to not be implemented on Mac. We currently only apply the NWWindowStyleMaskBorderless style for tooltips and other "irregular" windows, so w ...

AO Decals not working when using Lumen

When lumen enabled, and with static lighting disabled, we expect the Material AO to contribute to diffuse lighting occlusion. However AO from decals does not have any effect. ...

NormalizePackageNames() should interpret 'exclude developer folders' to also exclude packages in ExternalActors and ExternalObjects

In NormalizePackageNames() (PackageUtilities.cpp), there is a PackageFilter parameter, which can be set to exclude developer packages (NORMALIZE_ExcludeDeveloperPackages). The code only checks the b ...

[Sound Submix] - Dry Level of a Submix is calculated differently whether or not there is an effect in the chain

There is a discrepancy is how the output volume of a submix is calculated when the effect chain is and is not populated. When there is no effect on the submix, the Dry Level adds additional gain to ...

[AI] Investigate checking if Owner is an AIController in EnvQueryTest_Pathfinding to get default NavQueryFilter

BTTask_MoveTo and EnvQueryTest_Pathfinding don't use the same pattern to obtain the NavigationFilter to be used if the filter is not set. The BTTask_MoveTo uses the controllers GetDefaultNavigationF ...