Object Orientation does not allow for Instance calculations when passed through Vertex Shader

UE - Graphics Features - Feb 5, 2016

When placed in a vertex shader portion of a material the Object Position calculates correctly for each instance of a instance static mesh. In the same setup, Object Orientation calculates only the ...

Sounds played via Matinee do not respect Pause and Play of Matinee

Tools - Jan 25, 2016

When you place a substantially long Sound Cue/Wave in an Empty Group of a Matinee and set the Matinee to play on level load then on a key press pause the matinee and play the matinee, the sound grou ...

TraceHitInfo not returning correct PhysMat when Changed at Runtime via MID

UE - Simulation - Physics - Jan 11, 2016

Line Traces are not correctly returning the Physical Material Info when that information is changed at runtime via a Override Physical Material or a Set Physical Material via a Dynamic Material Inst ...

RenderTarget Texture Alpha rendered incorrectly when SceneCapture2D AA set to true

UE - Graphics Features - Jan 8, 2016

The Alpha Channel of the Render Target Texture is rendered as a value of 1 (solid white) when the SceneCapture2D actor is set to LDR with PP and Anti-Aliasing is set to true in the General Show Flag ...

Tappy Chicken in 4.10 via Github has asset dependency issues which halt packaging

Docs - Samples - Dec 7, 2015

Tappy Chicken when downloaded as a 4.10 project and opened in a Github version of the engine, the TappyAutomated Map has "externally referenced" assets which cause the engine to be unable to packag ...

FBX Import incorrect Relative Mesh Locations on Blender FBXs using Linked Duplicates

Tools - Nov 23, 2015

Blender FBXs using Linked Duplicates (equivalent to 3dsMax Mesh Instances) are importing losing their relative locations and all meshes are rendering on top of original mesh's location. [Image Remo ...

UV Coordinates and Gradients are behaving unexpectedly when run 1-0 (White on Top, Black on Bottom)

UE - Graphics Features - Sep 30, 2015

When multiplying a Gradient running from White on Top to Black on Bottom (1-0) by a Texture Coordinate, there are unexpected results rendered which is not seen when multiplying the Coordinate by a B ...

Derived Data Cache is included but not used in Kite Demo

UE - Foundation - Core - Sep 23, 2015

We include an 8 GB DDC with Kite Demo, but the entire DDC is recalculated on project launch instead of using the included DDC. There is no information included in the DefaultEngine.ini file to refe ...

Light Functions displayed on Large Translucent Meshes cause rendering errors

UE - Graphics Features - Sep 14, 2015

Light Functions are stretching and flickering on large translucent surfaces. Translucents Surface:[Image Removed] Opaque Surface:[Image Removed] ...

Line Attractor Strength Varies By Frame Rate

UE - Niagara - Aug 20, 2015

The Line Attractor node seems to render differently (have different strengths) between Cascade Viewport, Editor Level Viewport, PIE and Standalone/Launched Game In trying to capture movies for this ...