Unreal Engine Issues

Control Rig function nodes cannot have their color changed in 5.3

Volumetric Clouds High Quality Aerial Perspective Issue

There is a workaround to set r.VolumetricRenderTarget.Mode=1. The lines appear to be coming from the temporal component of the Volumetric Clouds. Each frame, the lines are merged in from the previou ...

Ensure/failure when changing the class of a scene component that has bVisualizeComponent enabled

Failure occurs at compile time during GC when the replacement component that we create is being destroyed. This component includes the BillboardComponent instance that's attached to the scene compon ...

Incorrect Subsurface Profile Transmission rendering in Preview window

Subsurface material rendered in preview window has too intense subsurface scattering or strange artifact. However, it shows no error in Play in Editor. After disabling the contact shadow in PIE, abl ...

Per instance custom data and Material Layers issue

GPU particles disabled on Quest

GPU particles were disabled on Quest 1 due to a compute issue. We need to validate / fix issues for Quest 2 / Quest 3. Reported in [Link Removed] ...

Duplicated ChildActor on World Partition Streaming

The issue is encountered when streaming a world partition an actor with an AChildActorComponent which generates 2 instances instead of one when run as a client in the editor. This behavior does not ...

"Override Function" search box in the Blueprint Editor does not match actual function name (only its display name)

This is a quality-of-life issue for UE users. The issue was also detailed by the UDN user in a video in the linked UDN case. The Blueprint Editor provides an "Override Function" functionality in th ...

Sampler Source: From Texture Asset with Streamed Virtual Texture

It appears that Texture Samplers for Virtual Textures do not respect the Tiling Method from the Virtual Texture Asset when the "Sampler Source" is set to "from texture asset". ...

Changes to Instanced Properties on a BP archetype are not propagated to Actors inside Level Instances or unloaded levels.

Consider a C++ ActorComponent containing an instanced TObjectPtr property (which may be standalone or inside a container such as TMap). Now consider a Blueprint Actor containing such a component, an ...