Unreal Engine Issues

Odd Refraction on Close Planes

We're seeing odd refraction when we have two close planes where the front plane has a translucent shader with a refraction not equal to one. I've included a project with the following setup:Two equa ...

Input Trashing after changing from UI Only Input mode to Game only input mode

When transferring data from CPU to GPU particles using Array, if CollisionQuery is used simultaneously, the Array cannot be read correctly.

Crash in reinstancing after removing a variable from a component and compiling

Windows SDKs not recognized for HoloLens Development

This is a regression as the issue does not occur in //UE5/Release-5.1 @ CL 23901901 ...

Converting a light to Spawnable removes it from Light Mixer

This is a regression as the issue does not occur in //UE5/Release-5.1 @ CL 23901901 ...

Rect Light Texture does not unload during level streaming in packaged game

Niagara Skeletal Mesh DI Component Tag filter doesn't copy over when copying DI

UNiagaraDataInterfaceSkeletalMesh::CopyToInternal and UNiagaraDataInterfaceSkeletalMesh::Equals do not account for the component tags, so the tags array will be empty when the DI is copied. ...

Crash with Ensure when resizing layout

This is a regression as the issue does not occur in //UE5/Release-5.1.1 - CL 23901901 ...

Cannot delete parameters in a Niagara Parameter Collection after resetting the source Material Parameter Collection

Parameters left over from an old source MPC cannot be removed without renaming them first. When debugging in FNiagaraParameterStore::RemoveParameter it seems that the parameter cannot be found in ...