Unreal Engine Issues

Scene View Extension - Subscribing to Tonemap's afterpass renders black screen

Callbacks for the Tonemap's afterpass that return identity return black screen unless there is a post-process material. ...

Static Mesh Scene Actor Flipped Normals

Static meshes can have normals flipped when the actor they are attached to has one component of its scale inverted. ...

DBuffer uses linear RGBA8 for base color instead of SRGB

DBuffer has 8 bit render targets for decals. The first render target holds BaseColor. It is not SRGB so we probably have poor precision distribution over the color range. It should be possible simpl ...

RVT does not correctly render multiple identical Instanced Static Mesh Components

If multiple ISM components are set to render to the same RVT and they each have the same mesh/material setup, then intermittently some instances will be dropped from rendering to RVT pages. Differen ...

Issue with Niagara MeshRenderer

A static mesh far from the origin appears to wobble in PIE

It seems that the numbers are rounded in VertexFactoryCommon shader. The cube consists of vertices that are very far from the origin and are placed on the screen by placing them at coordinates that ...

Alembic geometry cache not writing data into a virtual texture

Lags in animation when set leader pose component is used

https://udn.unrealengine.com/s/question/0D54z00009UJv5HCAT/lags-in-animation-when-set-leader-pose-component-is-used From licensee: "USkinnedMeshComponents have the option to double-buffer their bo ...

Virtual Heightfield Mesh crash using released Vertex Factory

When using VirtualHeightfieldMesh we see intermittent crashes in FDepthPassMeshProcessor::TryAddMeshBatch(). This can happen when FVirtualTextureProducerCollection::CallPendingCallbacks() is called ...

Hair visibility override issues