[Windows 10] Hitting the Windows key while in fullscreen summons an invisible but still interactive Start menu

Tools - Feb 1, 2018

On Windows 10, pressing the Windows key in a fullscreen UE4 application summons the Start menu beneath the application. However, the Start menu still receives input, which can cause applications to ...

Max Deviation setting is never used for Mesh Reduction, causes incorrect values for automatically computed LOD distances

UE - Graphics Features - Feb 1, 2018

The Max Deviation setting for a static mesh LOD is never used for Mesh Reduction. This results in incorrect values for automatically computed LOD distances, because the calculation uses the Max Devi ...

Changes of parameters from materials do not update in viewport after UE restart until recompiling

UE - Graphics Features - Jan 31, 2018

There is an issue where changes of VECTOR(3) parameters from materials do not update in viewport after UE restart until recompiling. This issue does not appear to be a regression. ...

[Feature Request] Shortcut to cook server content for Windows from the editor

Tools - Jan 30, 2018

Attempting to launch a Development Server build of a project through the Visual Studio debugger hits a breakpoint when several Engine assets cannot be found or loaded. These assets are all reported ...

Building Lighting fails when lightmass importance volume scale is large

UE - Graphics Features - Jan 30, 2018

There is an issue when attempting to build lighting with a large lightmass importance volume when you build the lighting the editor freezes. This issue appears to be a regression Versions tested: 4 ...

DefaultEngine.ini Configurable Variable change ignored in Standalone (may be a compilation manager issue)

UE - Gameplay - Blueprint Compiler - Jan 29, 2018

If you change a configurable variable's default value in DefaultEngine.ini, the change will be ignored in Standslone mode until you compile and save the variable's blueprint. This causes inconsiste ...

[CrashReport] UE4Editor_D3D11RHI!TRefCountPtr<FRHIResource>::operator=() [refcounting.h:103]

UE - Graphics Features - Jan 26, 2018

No user comments on crash group ...

FScreenSpaceData in Material Custom Expression Does Not Work in 4.19p2

UE - Graphics Features - Jan 26, 2018

When creating a Post Process material in 4.19 with a Custom expression that uses FScreenSpaceData, material editor is unable to compile, and material renders incorrectly. This does not happen in 4.1 ...

Compiling blueprint with nested subobjects loses data

UE - Gameplay - Blueprint - Jan 25, 2018

The attached project is from a licensee who made a Quest system where a blueprint has several ConditionContainer instanced subobjects, that contain EdGraphs with custom question condition nodes. On ...