Ray Traced Distance Field Shadows Break At Certain View Angles and FOV

UE - Rendering - Apr 13, 2017

RTDFS start to disappear or have visual artifacts when the camera's FOV dips below 90. Also, the smaller the FOV is the easier it is to reproduce the issue. It should be noted that I can only get ...

Single frame of blackness during iOS startup

UE - Platform - Mobile - Apr 13, 2017

When a project is launching on an iOS device, there is a momentary flash between when the splash screen stops displaying and the game window opens. This flash is present even when using transition ...

Output Pins Not deleting on DoOnce MultiInput

UE - Gameplay - Blueprint - Apr 13, 2017

When using the DoOnce MultiInput node in blueprints, deleting a newly added pin on the input side will not delete its corresponding output pin. Adding a new pin after that will create the result lik ...

Crash can occur when calling GetSkinnedVertexPosition on a skeletal mesh with a slightly different bone hierarchy than the skeletal mesh whose skeleton it is using

OLD - Anim - Apr 12, 2017

MDW: In progress (Dev-AnimPhys CL 3392820) When calling GetSkinnedVertexPosition on a skeletal mesh that uses the same skeleton as a different skeletal mesh with a slightly different bone hierarchy ...

Capsule Indirect Lighting with ILCQ Volume breaks on Skeletal Meshes when making Sublevel visible not in the current Camera Frustum

UE - Rendering - Apr 12, 2017

When using Capsule Indirect Shadows for Skeletal meshes who have their ILCQ set to Volume, and loading a SubLevel with it's actors not within the current camera's view, the indirect lighting is blac ...

Copy and paste State in the state machine do not correctly refresh synced objects when it have transition rule(fraction)

OLD - Anim - Apr 12, 2017

Copy and Paste action in State machine do not generate correct info for "AnimGraphNode_SequencePlayer_20" Name for "AnimGraphNode_SequencePlayer_#" in the duplicated state is not changed to corresp ...

Line Trace only returns Physical Material data from the Element 0 material slot

OLD - Anim - Apr 11, 2017

Line Trace only returns Physical Material data from the Element 0 material slot of a skeletal mesh. All other material slots are ignored. This is present on any skeletal mesh but is also reproducib ...

Incorrect collision of merged actor that was merged from a Spline Mesh Component

UE - Simulation - Physics - Apr 10, 2017

Incorrect collision of merged actor that was merged from a Spline Mesh Component Licensee description: We often use spline mesh blueprints to generate organic art for us, like roots, trees, and r ...

X axis rotation only follows relative rotation

UE - Gameplay - Apr 10, 2017

A user is reporting that the X axis rotation appears to only rotate based on the object's relative rotation, and not rotate based on the world rotation, even when using Set world rotation. For test ...

Particle System With Light Module Breaks Source Length Or Min Roughness

UE - Rendering - Niagara - Apr 7, 2017

When adding a particle system to a scene with dynamic point lights with their source radius/min roughness altered results in those parameters getting reset to default. NotePoint light mush have cas ...