Collision Boxes not set properly when using negative values

UE - Simulation - Physics - May 15, 2015

When using multiple collision boxes with the mesh scaled in a negative axis while the collision boxes are rotated that the rotation is not taken into account when using the negative scale. ...

Self Shadow enabled causes shadow artifacts

UE - Graphics Features - Sep 4, 2015

Shadow artifacts will appears when the camera is moving towards a character or if playing will appears with the character if Self Shadow is enabled for the character. Sample video and image attache ...

Multi-Material Assets lose ability to assign individual actor Material Elements if one element has a Dynamic Material Assigned

UE - Gameplay - Blueprint - Jan 25, 2016

When you have a multi-material mesh assigned to a blueprint in which one of the material elements is set to a Dynamic Material via the Construction Script, you lose the ability to set teh other elem ...

Unreal Lightmass does not build by default when building Solution from Promoted Github 4.12

UE - Foundation - Cpp Tools - UnrealBuildTool - Jan 19, 2016

When building the Promoted 4.12 Solution from Github as of the 4AM commit, the Unreal Lightmass project does not build by default. This results in the inability to build lighting until Unreal Light ...

Collision boxes slow to move when using higher poly meshes

Tools - Jun 15, 2015

Collision boxes become sluggish to move when using higher poly meshes. High poly boxes attached (60 K and 120K tris) Users Video for reference: [Link Removed] ...

Deferred and DBuffer Decals Normals are altered when adjusting the X Size/Scale

UE - Graphics Features - Dec 17, 2015

Adjusting the X Size of a Decal is causing the normals to distort [Image Removed] Reproduced in 4.11-Releases-CL-2804793 Reproduced in DevRendering-CL-2806984 ...

Shared Modules cannot be altered in Higher LODs

UE - Graphics Features - Nov 30, 2015

When you have setup a Shared Modules structure in Cascade, and then try to adjust LOD, you cannot adjust the Shared Modules. The current workaround is to go back to LOD0 unshare the modules then re ...

Crash on FDeferredShadingSceneRenderer & FTranslucentPrimSet with Dynamic Directional and Lit Translucent FX

UE - Graphics Features - Nov 11, 2015

User reporting crash with a specific setup using Lit Translucent FX Clouds and a Day-Night Setup running on a Timeline from Level Blueprint. [Link Removed] 4.8 BUGG: [Link Removed] 4.9 BUGG: [Li ...

Ribbon Particle Normals are reversed from default Sprite Particles

UE - Graphics Features - Oct 13, 2015

It appears that the Vertex Normals from Ribbon Particles are opposite of what is expected via the Default Particle System given both systems share the same alignment (Facing Camera) [Image Removed] ...

DBuffer Decals render on top of Foliage

UE - Graphics Features - Sep 18, 2015

This is the same issue found in [Link Removed]. Foliage will not act as an occluder as expected with painted foliage. [Image Removed] Also reproduced in Main CL-2689138 ...