Weird results in lightmaps after update to 4.21.2

Rendering - Feb 4, 2019

Reported by our licensee Gungho. Reproduced in 4.21.2, win10 ...

Spot Lights Do Not Cast Dynamic Shadows If "Support PointLight WholeSceneShadows" is disabled

Rendering - Jan 30, 2019

If you disable "Support PointLight WholeSceneShadows" spotlights stop casting shadows. This is working as expected in 4.20 CL# 4369336. Found in 4.21 CL# 4753647 and 4.22 CL# 4809892 This is a reg ...

Crash When Material is Set to Deferred Decal with Emissive Decal Blend Mode and Forward Shading Enabled

Rendering - Jan 25, 2019

When Forward Shading is enabled, if you create a material with their properties setup with the following:   Material Domain: Deferred Decal - Blend Mode: Translucent - Decal Blend Mode: Emissive T ...

Assertion When Packaging If an Actor in Level Uses Create Canvas 2D Render Target

Rendering - Jan 23, 2019

An assertion will occur when packaging if an Actor in level uses "Create Canvas 2D Render Target"  Found in 4.20 CL# 4369336, 4.21 CL 4753647 Blocked for testing in main due to crash when placing ...

BumpOffset Node Produces Incorrect Results When Texture Coordinate Index Is Not 0

Rendering - Jan 18, 2019

When using the BumpOffset node, it will produce incorrect resultsi if the Texture Coordinate Index is not 0. Found in 4.20 CL# 4369336. 4.21 CL# 4613538, 4.22 CL# 4751672 ...

[CrashReport] UE4Editor-CoreUObject!UObject::IsSelected() [obj.cpp:1149]

Rendering - Jan 12, 2019

Generated from CrashReporter ...

Artifact Dots Appear When Adjusting Focal Distance and Camera Aperture

Rendering - Jan 11, 2019

When shifting camera aperture and focal distance, dot artifacts appear on meshes. Found in 4.20 CL# 4369336, 4.21 CL# 4613538, 4.22 CL# 4708082 ...

Wireframe Appears Aliased and Draws Behind the Editor Grid

Rendering - Jan 10, 2019

When the Editor grid is enabled, it draws over the wireframe objects. This is especially clear in orthographic views where the grid completely obscures wireframe lines aligned to the grid placement. ...

VertexInterpolator Makes Landscape Materials Fail to Compile

Rendering - Jan 7, 2019

If a VertexInterpolator is used in a material that is applied to a landscape the material will fail to compile. Found in 4.20 CL# 4369336, 4.21 CL# 4.21 CL# 4613538, 4.22 CL# 4681912 ...

When r.CustomDepth = 3 (Enabled with Stencil), the values of SceneDepth and CustomDepth are different on IOS

Rendering - Jan 7, 2019

The user wants to express using the difference between SceneDepth and CustomDepth. However, when r.CustomDepth = 3 (Enabled with Stencil), the expression can not be realized because the SceneDepth a ...