Unreal Engine Issues

Crash on opening Control Rig asset that was created in UE5-EA

This issue was found from an external user on Twitter using UE5-Early Access - [Link Removed] The crash happens on asset load.  User says that they were following Gabriele's video - [Link Removed] ...

Actor channel unable to go dormant if replication key is not changed

If the subobject's RepKey is not updated after setting the actor to go dormant, then the subobject won't be replicated. This causes FObjectReplicator::ReadyForDormancy to return false for the subobj ...

When the camera is set as a child actor and the Look at of the camera is set to the parent, the transformation keeps changing.

Mesh LOD Coloration mode does not work with EyeAdaptation node

"Primitives with unbuilt interactions" not clearing after lighting scene rebuild

Regression No, according to affect version 4.26 and 4.27 [2021.10.29-17.01.06:085][830]Primitives with unbuilt interactions: 6[2021.10.29-17.01.06:085][830] Primitive FoliageInstancedStaticMeshComp ...

Crash when reimporting SkeletalMesh with custom LOD

In the case of "Reimport Base Mesh + LODs", there is no crash. ...

MoviePipeline: Can't inherit from UMoviePipelineSetting in BP due to PURE_VIRTUAL

IsValidOnMaster/IsValidOnShot need to be BlueprintNativeEvents with a default C++ implementation and allow derived classes to override the function. This is needed so that you can create custom set ...

USkeletalMesh::SetSkeleton function is not a BlueprintSetter

I have a fix ready for this in cl: 17967661 ...

FBXUVs can create null entries that will assert later

Need to make sure we support nullptr entries or make sure we do not create such null entries. ...

Instances of Blueprints implemented native interface cannot be assigned to interface variables

FInterfaceProperty::SerializeItem (and ImportText) attempt to determine if the passed in object implements the interface in question. They do this by calling GetInterfaceAddress, which tries to get ...