When a Texture Object is used for the "Tex" Input of a Texture Sample node in a material, the material will no longer contribute to indirect lighting when used with Stationary Lights

UE - Graphics Features - Apr 26, 2019

When a Texture Object is used for the "Tex" Input of a Texture Sample node in a material, the material will no longer contribute to indirect lighting when used with static lighting. Working as expe ...

Using CTRL+W to duplicate multiple components of an actor at once trips an assert

UE - Gameplay - Blueprint - Apr 24, 2019

Attempting to duplicate multiple child components results in an assert being thrown.  ...

Black Lines on Meshes with Ray Traced Global Illumination Enabled

UE - Graphics Features - Lumen - Apr 22, 2019

Black Lines on Meshes with Ray Traced Global Illumination Enabled.  Found in 4.22 CL# 5660361 and 4.23 CL# 6037269 ...

Massive FPS drops in editor when moving mouse over menu items on Linux

UE - Platform - Linux - Apr 22, 2019

Navigating various dropdown menus in the Editor causes the FPS to drop down to around 25 or 10 in the Viewport on an empty project. This does not reproduce on Windows with -vulkan This issues was ...

A version of UnrealVS for VS2019 is not included with the Engine

UE - Foundation - Cpp Tools - UnrealVS - Apr 18, 2019

Version 4.22 of the Engine includes initial support for Visual Studio 2019. However, an updated version of UnrealVS for VS2019 is not included in the Engine. ...

Crash when save the blueprint function variable that set the StringTable asset

UE - Foundation - Core - Apr 17, 2019

This issue doesn't crash in 4.21. It is rewritten as GIsSavingPackage = true in UPackage::(Save() when Blueprint is saved, but it's rewritten as false in 4.21. Workaround Do not set the String Tab ...

Optimization Viewmodes are not visible when Android Preview is enabled

UE - Platform - Mobile - Apr 11, 2019

A user has reported that the Optimization Viewmodes menu does not appear with any options when the Preview Rendering Level is set to Android ES2 or ES3.1. Regression?: Yes This did not occur in 4.2 ...

Ambient Occulsion Decals still render on Static Meshes flagged to ignore them

UE - Graphics Features - Apr 11, 2019

Ambient Occulsion Deferred Decal Materials seem to ignore the Receives Decals flag that is in the Rendering section of the Details Panel for the Static Mesh. Tested in 4.21.2 (CL - 4753647), 4.22 ( ...

Baked materials containing Texture Object are black

UE - Graphics Features - Apr 9, 2019

Using a texture object in material when creating a baked material will result in black material. Confirmed in 4.23 MAIN @ CL 5806859 User also reports "this also applies to the material as seen by ...

Custom Stencil renders incorrectly with instance stereo enabled

UE - Platform - XR - Apr 8, 2019

When using instance stereo with custom stencils, they do not render as expected. It appears to render the stencil in one eye at a time (as the user's head is turned). Regression: Yes This was work ...