MSAA breaks post process material comparing Scene / Custom Depth

UE - Graphics Features - Sep 15, 2017

The expected behavior for the attached project is to highlight meshes / portions of meshes that are obstructed from view. When using MSAA, the entire mesh is highlighted rather than only the obstru ...

Screen space reflection flickering

UE - Graphics Features - Nov 26, 2019

Flickering is occuring when using a reflection material with screen space reflection enabled. Did not start occuring until 4.19 and beyond.  Tested in: 4.23.1 CL#9631420, 4.24 P3 CL#10283392, 4 ...

Skeletal Mesh with Tessellated Material causes Excessive Blur

UE - Graphics Features - Nov 18, 2014

With a Tessellated Material, either Flat or PN Triangles, applied to a Skeletal Mesh when playing, the Mesh has excessive blur when in motion. If you use the same material and turn off tessellation ...

If a HUD blueprint and a UMG blueprint share a material. The material will not show up in Standalone

UE - Editor - UI Systems - Jun 8, 2016

If a HUD blueprint and a UMG blueprint share a material. The material will not show up in Standalone Note: Sample project is attached ...

A Niagara system will only use one spawn rate curve when it has more than one emitter with different spawn rate curves

UE - Niagara - Jul 19, 2019

Systems that have more than one emitter that both have unique spawn rate curves will only used the most recently added emitter's spawn rate curve for all emitters. ...

Landscape Materials Layers Show "none" but are Still Able to Paint on Landscape

UE - LD & Modeling - Terrain - Landscape - Jun 15, 2015

Landscape material layers show "none" after generating weight blended layers in landscape paint mode. The landscape layers are painted as normal but do not show that any layer is assigned. ...

Painted Foliage and Landscape Grass cannot use Lighting Channels

UE - World Creation - Worldbuilding Tools - Foliage - Jul 5, 2016

Currently there is no way to set painted Foliage instances of an actor be able to use lighting channels even though these can be set to movable in their properties. Since Instanced and Hierarchica ...

Grid like distortion when using a render target 2d material in UMG with the Samsung Galaxy S3 and Firefox

UE - Platform - Mobile - Mar 9, 2015

Edit MattK: This is probably not UMG related. There is a grid like distortion when using a render target 2d in UMG on the Samsung Galaxy S3 ...

MS_VertexAnimationTools_MorphTargets are not deforming and reforming

UE - Graphics Features - Sep 20, 2017

The Material should be contracting and expanding if it is working correctly, but after version 4.16 it is not. Instead it is solid in appearance in the material editor viewport. Below I have linked ...

Editor crash after attempting to create layer info in new landscape window

UE - LD & Modeling - Terrain - Landscape - May 7, 2015

Attempting to create landscape layer info from within the new landscape creation window crashes the editor. Workaround: create the landscape, switch to paint mode, create layer info in paint mode w ...