Unreal Engine Issues

Incorrect AO rendering when that using SSGI.HalfRes

This problem seems to have started from 4.26. Also, setting r.DiffuseIndirect.Denoiser=0 will increase the noise but invisible the rendering in problem. ...

C.haos Cloth : ClothLOD does not change when out of view

Cloth LOD Index is changed only during the mesh is on the screen. LOD Index is set to 0 at spawning, so clothing simulation runs as minimum LOD level until the mesh is in the field of view. It's no ...

BaseColor of SubSurfaceProfile cannot be obtained when using GBuffer in Niagara.

References to original assets/widgets are left behind when replacing them in UMG

StaticMeshComponent occasionally doesn't simulate physics after SpawActor.

When spawning Pawns with a StaticMeshComponent with SimulatePhyscis=True, they occasionally may not simulate physics. This can be reproduced by simply repeating the respawn. The frequency of reprodu ...

Two planar reflection and translucent materials draw reflections on one side only

This problem seems to be fine when the material is Opaque.[Image Removed] ...

Global Distance Field Precision Issues Far From Origin

[Enduring] Appears to be in the visualization rendering of the distance field, distance field shadows were unaffected. There was one instance where the bug did not replicate as expected. This was wh ...

Deferred spawned actors can receive BeginPlay before they are finished spawning

Actors that are deferred spawned on BeginPlay can be added to the world while AWorldSettings::NotifyBeginPlay is still iterating the world's actors and dispatching BeginPlay. AActor::DispatchBeginPl ...

Repackaging the same build produces different order of shader code chunks in IoStore container TOC

A licensee reported that packaging the build with same content (it is unclear if they were rebuilding the DDC between the runs, but it shouldn't matter) produces a different placement of code chunks ...

Serialized Blueprints containing MIDs do not load correctly in packages.

This issue is an easy fix but raises a different problem which is likely ingrained in UE, which is that MIDs should not be serialized out and should always be transient. Unfortunately we are in a po ...