MSAA Causes Black Outline with Atmospheric Fog in Forward Shading

UE - Graphics Features - Sep 28, 2018

MSAA causes black aliased outline with Atmospheric Fog with Forward Shading enabled. This does not occur with TAA or FXAA. Also does not occur if there is a sky sphere present. Found in 4.19 CL# 40 ...

Ensure Occurs When Using Russian Letters In a Text Variables

UE - Gameplay - Oct 4, 2018

The Editor will hang when using Russian characters for a text variable in a Blueprint. It seems to occur when using the character "л" is used. Only seems to occur once in a project. Found in 4.19 C ...

Using a Blutility to modify an Actor in a Streaming Level doesn't make it dirty

UE - Gameplay - Oct 11, 2018

Using a Blutility to modify an Actor in a Streaming Level doesn't make it dirty and prompt it to be saved. This was reproduced and tested in 4.19.2 (CL-4033788), 4.20.3 (CL-4369336), 4.21 (CL-44358 ...

Max Draw Distance Can't Be Set Again Until Set Back to Default

Max draw distance cannot be changed to a higher value than it is first set, until you reset it back to default. Working as expected in 4.19 CL# 4033788 Found in 4.20 CL# 4369336, 4.21 CL# 4516095, ...

Duplicating a SetMaterialAttributes Node Causes Missing Attributes

UE - Rendering - Architecture - Materials - Nov 5, 2018

Duplicate SetMaterialAttributes nodes will be missing attribute connections on the node itself, but in the properties tab they will show up. Found in 4.19 CL# 4033788, 4.20 CL# 4369336, 4.21 Previe ...

Custom Stencil Is Not Rendering In UI Materials

UE - Graphics Features - Nov 30, 2018

Widgets with a UI Material that uses Custom Stencil will not render meshes with a set stencil. This is working as expected in 4.19 CL# 4033788. Found in 4.20 CL# 4369336, 4.21 CL# 4541578, and 4.22 ...

Changing Levels Does't Clear Global DistanceField

UE - Graphics Features - Dec 5, 2018

In a packaged game or standalone, if you change map with DFAO enabled the previous DFAO will still be visible. This does not occur in PIE. Found in 4.19 CL# 4033788, 4.20 CL# 4369336, 4.21 CL# 4613 ...

"Failed to find object 'Class None'" in project log after creation

UE - Foundation - Core - Nov 17, 2014

Users reported seeing the line "LogUObjectGlobals:Warning: Failed to find object 'Class None.'" in the Output log after creating a project. I was able to confirm in a new blank code project without ...

Execution reroute nodes become wildcard reroute nodes when creating a second reroute node off the same execution pin

UE - Gameplay - Blueprint - Sep 21, 2015

Execution reroute nodes become wildcard reroute nodes when creating a second reroute node off the same execution pin. Note: this does not appear to affect their functionality as execution reroute no ...

Map load stalls in texture streaming code

UE - Graphics Features - Jun 13, 2017

A change was made to AActor.GetComponents which appends the results instead of resetting the output array. This seems to only impact 2 places in the code, and has a big side effect in the texture st ...