Crash when applying a LandscapeVisibilityMask material to a Landscape's material slot

UE - LD & Modeling - Terrain - Landscape - Apr 28, 2017

Crash that occurs when applying a masked material (with LandscapeLayerBlend and LandscapeVisibilityMask) to a Landscape's material slot. This is a regression: broken in 4.16.0 CL 3405315 worked in ...

Indirect Lighting Cache causes Flickering on Skeletal Meshes

UE - Graphics Features - Apr 30, 2017

Indirect Lighting Cache is causing the Indirect Lighting for Skeletal Meshes to flicker. I have attempted both ILCQ Volume and Point cache qualities, and it seems Point produces the most exaggerate ...

GUID property is not fully generated for a component added to a Blueprint in the Editor

UE - Gameplay - Blueprint - May 1, 2017

If a component contains a GUID property, and that component is added to a Blueprint in the Editor, that property is not fully generated for instances of the Blueprint. Only the first part of the GUI ...

Min Lightmap Resolution Doesn't Influence Padding

UE - Graphics Features - May 2, 2017

According to [Link Removed] Min Lightmap Resolution controls padding values. In this test project it doesn't appear to be doing that for AO. ...

Widget interaction component appears fail when moving at high speeds

UE - Editor - UI Systems - May 4, 2017

Widget interaction component appears fail when moving at high speeds In this example: The user cannot click button that require the widget interaction component to become perpendicular to the cur ...

Crash reimporting a skeletal mesh with less Material IDs than on first import

NOTE: Does not occur in 4.16, entered this to find a fix for licensee to integrate. Error message: Assertion failed: (Index >= 0) & (Index < ArrayNum) [Link Removed] [Line: 633] Array index out o ...

Mesh Decal Material Influced By Emissive In Shader Complexity View Mode

UE - Graphics Features - May 4, 2017

The emissive value influences how a mesh decal material appears in the shader complexity view mode. The value of 1 will register as white and .5 is pink. ...

Subsequent packaging attempts fail when packaging with Chunks, Nativization, Full Rebuild and For Distribution enabled

UE - Foundation - Cpp Tools - Automation Tool - May 4, 2017

Subsequent packaging attempts when Generate Chunks, Blueprint Nativization, Full Rebuild, and For Distribution are enabled will fail. The error that appears states that the AutomationTool log file i ...

Component properties cannot be edited for instances of a Blueprint if more than one instance of that Blueprint in the level is selected

UE - Gameplay - Blueprint - May 5, 2017

Properties of components that are added to a Blueprint cannot be set in the Details panel for instances of that Blueprint in the level if multiple instances are selected. These components also do no ...

Crash on draw material to rendertarget

UE - Graphics Features - May 5, 2017

This crash has started occurring in 4.15.2. It seems to be a regression from 4.15.1. ...