Global SkyAtmosphere and Clouds Issues (Ambient Light)

UE - Graphics Features - Dec 3, 2024

Ambient Light on Volumetric Clouds from Sky Atmosphere always is calculated as if the clouds are at the north pole of the planet. Using a sphere-shaped Sky Atmosphere and Volumetric Clouds causes t ...

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 ...

Mobile Preview - Custom Stencil 4.23 Regression

UE - Platform - Mobile - Oct 25, 2019

Regression when using custom stencil with in-editor mobile preview. This does NOT reproduce in MAIN at CL 9730599 ...