Unloading level during PIE leads to editor crash

Unloading level during PIE seems to lead to an editor crash. Most easily reproducible by enabling malloc stomp. ...

Instance Static Mesh element not rendered if array element is removed and another is added

Gameplay - Dec 5, 2017

Instance Static Mesh element is not rendered if array element is removed and another is added. The collision is still present and the instance count will still register as if the non-rendered elemen ...

Hierarchical Instanced Static Mesh component culls before it is completely off screen

Rendering - Dec 4, 2017

Hierarchical Instanced Static Mesh component culls before it is completely off screen. This only seems to happen with more than 3-4 instance elements. This also does not happen with Instanced Static ...

Shortcut(Function, Add a new function graph) leads to crash in the MacroLibrary editor.

Gameplay - Blueprint Editor - Dec 4, 2017

Shortcut will still led to create a new function in the macro library. and this makes engine crash with following callstack. Assertion failed: Blueprint->BlueprintType != BPTYPE_MacroLibrary [Link ...

Spline Mesh Component doesn't render if two spline points are directly above and below each other

Tools - Dec 1, 2017

Spline Mesh Component doesn't render if two spline points are placed exactly above and below each other. If they are offset by any value other than 0.0, the Spline Mesh component will be rendered as ...

Engine Scalability Foliage Quality not being applied automatically

Tools - Foliage - Dec 1, 2017

Engine Scalability Settings for Foliage Quality are not applied to foliage meshes automatically. Found in 4.17.2 CL 3658906, 4.18.1 CL 3754814, and 4.19 Main ...

Reroute Node Breaks Link in Material Editor When Used with Material Function

Tools - Material Editor - Nov 30, 2017

Adding a reroute node in the material editor between a texture object and a material function breaks the link and the texture object is no longer applied. Adding a reroute node into a spline that d ...

Paint Mode button options disappear when toggling on "Use Small Tool Bar Icons" in the User Interface

Tools - Nov 30, 2017

When toggling on the "Use Small Tool Bar Icons" under the User Interface settings, the button options that sit directly under the Colors, Weights, and Textures options in Paint mode disappear. Thi ...

Blueprint interface function with the same name as a node gets fused

Gameplay - Blueprint - Nov 29, 2017

Creating a Blueprint interface and changing its function name causes a crash when using the undo button to change the name back. ...

Materials displayed in Material Editor are jittery / shaky on Linux

Platform - Linux - Nov 29, 2017

Materials displayed in the material editor do not appear the same as on Windows platform. Edges of the material sphere appear jagged and flicker on Linux rather than being a crisp circular line (se ...