Crash On Startup If a Cubemap Texture For a Skylight Is Set In The Constructor

UE - Graphics Features - Jul 23, 2018

Crash on startup If a cubemap texture for a skylight is set in the constructor.  Attached images of where the user thinks the crash is coming from. Works Properly in 4.19 CL# 4033788 Found in 4.20 ...

Can't import FBX animations

Tools - Jul 23, 2018

When importing Animation FBX files into 4.20 the following error is received: "Failure to Import - Mesh contains root bone as root but animation doesn't contain the root track." The importing proce ...

Generate Lightmap UVS Doesn't Update the Lightmap Coordinate Index

Tools - Jul 23, 2018

When importing an fbx file and using 'generate lightmap uvs', the light map coordinate index will not update correctly. Working properly in 4.19 CL# 4033788 Found in 4.20 CL# 4212847 and 4.21 CL# ...

Blutility context menu popup shows all pins inside function

OLD - Anim - Jul 23, 2018

ActorAction Blutilites are showing all pins inside a function. This does not happen with editor callable custom events. Also occurring in Main/4.21 CL #4221482 ...

NaN in eye adaptation

UE - Graphics Features - Jul 23, 2018

What happens is eye adaptation may sample outside view rect, and end up with NaN in eye adaptation buffer, that effectively stays there forever, generating black screen. ...

Editor Preference settings get wrongly saved within project instead of editor

Tools - Jul 23, 2018

Various settings within the Editor Preferences window get saved within the project instead of the Editor. If someone were to heavily modify their Editor Preferences they would have to set it up agai ...

Generate Project files does not add Intellisense include paths for .generated.h files

UE - Foundation - Cpp Tools - UnrealHeaderTool - Jul 23, 2018

Attempting to open a .generated.h file using intellisense results in an error due to the file not being found as the proper search file paths were not added when generating the project files. Pleas ...

Screen Space Widget Component offset in Editor Viewport when using Windows Scaling

UE - Editor - UI Systems - Jul 23, 2018

Using Windows scaling above 100% now causes Screen Space 3D Widgets to be offset. (Pressing F11 for fullscreen or launching will cause widget to appear in correct location) ...

PublicIncludePaths array in a 4.20 plugin looks for the include path in relation to the Engine instead of the plugin

UE - Foundation - Cpp Tools - UnrealBuildTool - Jul 23, 2018

A plugin created in 4.19 automatically includes an entry for the plugin's Public directory in the PublicIncludePaths array in the Plugin.Build.cs file. Plugins created in 4.20 no longer automaticall ...

Incorrect box collision on negatively scaled mesh

UE - Simulation - Physics - Jul 23, 2018

If you have a mesh with a rotated box in its simple collision primitives, that box won't be in the correct position if you scale the mesh by -1. This issue was reported in 4.20 (CL-4212847) and rep ...