SphereCast_GlobalDistanceField does not compile

Rendering - Niagara - Mar 3, 2021

The sphere cast module has some custom HLSL that calls QueryMeshDistanceFieldGPU, the signature for the function changed, but the HLSL wasn't updated to match so it fails to compile.  ...

Loading instanced static mesh causes memory leak in packaged game

Tools - Foliage - Mar 3, 2021

The leaking variable is UInstancedStaticMeshComponent::InstanceDataBuffers. The memory block is passed to InitPerInstanceRenderData() via InstanceDataBuffers.Release(). But the function doesn't mana ...

Cannot move movable components of actors if using drag if PIE or Simulate

Tools - Editor Framework - Mar 3, 2021

If the actor is in sublevel and user play simulate or PIE, the actor can't be moved by drag gizmo. Even if under the same conditions, editing transform of detail panel work properly. So I guess that ...

RVT that is set up following the Quick Start Guide shows a flat black texture

Rendering - Mar 2, 2021

A user has reported on salesforce that their RVT material is returning black. After following the publicly available Epic Quick Start guide online I encountered the same issue. The ticket was repor ...

Soft object reference variables have their default value greyed out

Gameplay - Blueprint - Mar 2, 2021

When creating Soft Object Variables of Actor or Character blueprints, the default value of the variable is greyed out and unable to be changed. I was able to create a Soft Object Reference of the Th ...

Max Depenetration Velocity cannot be set to zero after setting it to a non-zero value

Simulation - Physics - Mar 1, 2021

It seems that when setting the Max Depenetration Velocity to a non-zero value, you are then unable to set it back to 0. Tested in //UE4/Release-4.25 @ CL 14469661 and this did not occur so marking ...

Duplicate linked anim layer interfaces cannot be added to an anim BP

Anim - Anim Blueprints - Mar 1, 2021

Duplicated anim layer interfaces cannot be added to the same anim BP. While UEdGraph::GraphGuid is unique within a bluprint, it is not unique within the project as a whole (see [Link Removed] for m ...

[CrashReporter] UE4Editor-Renderer!static void RenderViewFamily_RenderThread(class FRHICommandListImmediate & const, class FSceneRenderer *) [SceneRendering.cpp:3619]

Rendering - Mar 1, 2021

User comment: "...can't launch anything as standalone, only simulate..." Generated from CrashReporter ...

Collision lost from body when using world composition and streaming

Simulation - Physics - Mar 1, 2021

Physics object from a streamed level does not interact with other physics objects in persistent level. ...

Rendering a custom render pass will render the viewport.

Anim - Sequencer - Mar 1, 2021

If close the "Sequencer" window while leaving the "Render Movie Settings" window open, and then click the "Capture Movie" button, you will capture the movie from the perspective of the CameraCuts tr ...