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

UE - 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 ...

Arguments of position invalid when Launch Game on UE4Editor in the command line.

UE - Rendering - Dec 4, 2017

Arguments of position invalid when Launch Game on UE4Editor in the command line. Once displayed at the argument position. Then move to the center. I tried it in 4.13 and it displayed correctly. ...

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

UE - LD & Art - World Building - 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 ...

[CrashReport] UE4Editor-ApplicationCore.dylib!invocation function for block in FMacApplication::DeferEvent()

UE - Platform - Mac - Dec 1, 2017

This is an infrequent Mac crash in 4.18.1. Users have not provided any descriptions. Callstack from Log2017.11.27-02.08.07:839][947]LogMaterial: Missing cached shader map for material FLightmassMat ...

Engine Crashes When Building Lighting if Precomputed Visibility Aggressiveness is set to VIS Max

UE - Rendering - Nov 30, 2017

The engine crashes when building lighting if World Settings >> Precomputed Visibility >> Visibility Aggressiveness is set to "VIS Max." A Fatal Error message sometimes appears (screen shot attached) ...

Black borders visible when changing the screen percentage in VR mode (VR editor) to more than 100

UE - Editor - UX - VRMode - Nov 30, 2017

The black borders for the stereoscopic view are visible when increasing the screen percentage while in VR mode (VR Editor) ...

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

UE - Rendering - Materials - 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 ...

Web browser widget not receiving some mouse input information

Chromium - Nov 30, 2017

When using the web browser widget, it appears that some mouse input is ignored. In this example the handles that were working in previous versions of the engine are now ignored and do not receive in ...