Stat AI reports AI rendered regardless of frustum

UE - Rendering - Jun 23, 2022

This is a regression tested in //UE4/Release-4.27 CL#18319896 Stat AI reports AI rendered regardless of frustum setting.  ...

[GPU Lightmass] bake artifact w/ two actors of same static mesh

UE - Rendering - Jun 22, 2022

As per a bug report from Pixomondo: if there are two static meshes in the scene and one has a rotation, it gets a GPULM bake artifact as if it is intersecting with the unrotated version of itself. S ...

Ray Traced Translucency causes artifacts when rotating a Static Mesh that is far away from center of the map

UE - Rendering - Jun 17, 2022

Tested in //UE4/Release-4.27 CL#18319896 Ray Traced Translucency causes artifacts when rotating a Static Mesh in the 'Open World' level when moved far away from the center of the map. The Artifacts ...

GPU Lightmass ignores IES Profiles on Static Lights while building lighting

UE - Rendering - Jun 8, 2022

This is a regression tested in //UE4/Release-4.27 CL#18319896 GPU Lightmass ignores IES Profiles on Static Lights while building lighting. Tested with different Global Illumination and Reflection s ...

Runtime Virtual Texture samples at low precision for very large volumes

UE - Rendering - May 31, 2022

When using a runtime virtual texture with a resolution of greater than 2^24 we can start to see a lack of precision in sampling when the sampling UVs get closer to 1. To see this we need to be usin ...

Scaling actor along the Z Axis while the X and Y axis are set to 0.01 causes the Actor to stop rendering in the scene

UE - Rendering - May 27, 2022

This is a regression tested in //UE5/Release-5.0 CL18319896 Scaling a Static Mesh along the Z Axis while the X and Y axes are set to 0.01 causes the Actor to stop rendering in the scene once the Z ...

UMaterialBillboardComponent does not render when moving

UE - Rendering - May 19, 2022

Marking this as a Regression since it works as intended in Release 4.27.2 (CL-18319896). I've also confirmed the behavior is occurring in UE5 Main (CL-20283975) as well.  ...

Enabling HBZOcclusion triggers a crash

UE - Rendering - May 17, 2022

Enabling HZBOcclusion while Lumen and Hardware Ray Tracing are enabled triggers a crash. ...

Engine crashes when building GPU Lightmass in large scenes

UE - Rendering - May 12, 2022

Engine crashes when building GPU lightmass in larger scenes. This does not occur on smaller maps like the Unreal Engine Templates. I was able to reproduce this issue in CitySamples SmallCity map. T ...