Unreal Engine Issues

ShaderPermutations are forced to generate in MaterialInstance if MaterialLayer is added in Material.

Split pins on nodes within sub-graphs in an animation blueprint are broken

There's a bug in the anim bp compiler which results in split pins on animation nodes not being merged properly back onto their parent pin during compilation. The result of this is that any input to ...

IOStore : Packaged game crashes when doing garbage collection right after cancelling async loading by UnloadPrimaryAssetList

Packaged game without IOStore never hits this error. ...

Tagged binding exists after deleting object binding in sequence

Tagged bindings aren't deleted when their object binding is deleted in the sequence.  ...

Renaming Renderer in Parent Emitter breaks name in Child Emitter

Renaming a renderer in a parent emitter reverts the name of the renderer in the child emitter.  ...

Niagara Component can crash if ticked with a null tick function

Niagara components don't null check their tick functions, and can cause a crash as a result. Compare to UParticleSystemComponent::TickComponent which does. It's fairly common in the engine to pass n ...

Renaming a folder removes empty sub folders

When renaming a folder with empty folders inside of it, the empty folders are removed.   This issue is occurring in Perforce //UE5/Main @ CL 15655697 This issue is occurring in Perforce //UE4/Ma ...

Enabling Window Animations causes drop down menus to flicker and be displaced

I tested this with 3 Nvidia Drivers to see if I could find a driver that works properly. I tested the following Game Ready drivers Version 457.30, 461.40 and the latest, 461.72. The flicker occurred ...

Engine crashes when trying to remove unused bones from skeleton

Engine crashes when i try to remove unused bones. I have lot of things going on in those characters, they all share same skeleton. There are anim blueprints with control rig and pose drivers, there ...

MoviePipeline: Disabling Auto Exposure in Project Settings not respected

The high-res tiling method checks for the exposure method specified on the camera, and forces it to Manual exposure if it's not already there. It shouldn't force this if the project settings have al ...