Widget component does not update when setting widget class back to "None"

UE - Editor - UI Systems - Apr 24, 2017

Widget component does not update when setting widget class back to "None". When the widget class is returned to "None" the user can still see the previous widget in the viewport. The blueprint must ...

Project breaks if Online Subsystem plugin is disabled

UE - Foundation - Core - Apr 25, 2017

Disabling Online Subsystem prevents the project from loading. On Windows, this produces an error shown in attached screenshot. On Linux, this causes a crash with the attached callstack on project ...

Spline Mesh With Negative Start and End Scale Has Broken Lightmap

Tools - Apr 25, 2017

When you have a negative start and end Scale for a spline mesh the resulting lightmap that gets baked for the mesh will be incorrect. ...

[CrashReport] Assertion due to failing to find shader type

UE - Graphics Features - Apr 26, 2017

This is an early trending crash in the 4.16 Preview. User information has not been provided, but this shares similarities to an old jira [Link Removed]. Source context: 1434 /** Finds the ...

Cannot resize comment box when new comment is created on top

UE - Rendering - Architecture - Materials - Apr 27, 2017

Cannot resize comment box when a new comment is created on top. The resizing affects the bottom right corner. This issue is dependent on how the comment is added if comment 1 is highlighted and a ne ...

Dragging multiple static meshes in to a blueprint component window nests them

UE - Gameplay - Blueprint Editor - Mar 17, 2017

Dragging and dropping a number of static mesh components should make them siblings, not children of one another in a random order. ...

Descriptions in Material delay before displaying

UE - Rendering - Architecture - Materials - Apr 27, 2017

Descriptions in the Material Editor delay before displaying. After pressing Enter after typing in a description, the description does not appear. There are several ways to get the description to app ...

Collapsed graph name is displayed next to local variables instead of the function name the local variable is within

UE - Gameplay - Blueprint Editor - Apr 28, 2017

When working within a collapsed graph, the Local Variables section of the Blueprint tab displays the name of the collapsed graph instead of the name of the function the Local Variables (and collapse ...

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 ...

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 ...