Unreal Engine Issues

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

There are parameters in Niagara's AddVelocity module that will not be copied and pasted.

Some Niagara Fluid systems render black with 'Extend default luminance range in Auto Exposure settings' enabled with SunSky

Some Niagara Fluid systems render black with 'Extend default luminance range in Auto Exposure settings' enabled with a SunSky in the level. ...

Allowed Material Slots in the Sample Static Mesh module is not working properly.

It is behaving correctly in 4.27.2. ...

Sprite does not have a UV1 G channel.

The R channel of UV1 is not a problem. ...

Some Niagara Fluid systems are not visible in a packaged project

Previously packaging caused a crash with this system. This was fixed, but now the system is no longer visible when packaged. ...

Crash when trying to copy-paste nodes in a module graph

The nodes I tried to copy are in the screenshot. Hit an ensure before the crash: Ensure condition failed: ScriptVariable != nullptr [NiagaraScriptGraphViewModel.cpp][Line: 294] Script variable sh ...

Ensure thrown when applying a Linear Color User Exposed Variable in a Niagara Emitter

This is a regression tested in //UE4/Release-4.27 CL18319896. Ensure thrown when applying a Linear Color User Exposed Variable in a Niagara Emitter. ...

NiagaraSystem is compiled every time when first loaded in the editor

If you are using a large amount of Niagara, you will experience excessive load times in PIE even if nothing is changed. The following code change seems to be effective as an interim response. void ...

A niagara emitter with an empty renderer module does not return a position in the package