Documentation for Geographically Accurate Sun Positioning contains Incorrect Definition for Longitude and Latitude.

Docs - Jan 28, 2019

Incorrect definitions for Latitude/Longitude in Documentation for Geographically accurate sun positioning.  https://docs.unrealengine.com/en-us/Engine/Rendering/LightingAndShadows/SunPositioner Ex ...

Cannot access data table columns by property name in a nativized build if the table's row type is set to be a user-defined structure.

Gameplay - Blueprint - Jan 22, 2019

UDataTable::FindTableProperty() will currently fail in a nativized build because the RowStruct is no longer a UDS in that context; instead it is converted to a native UScriptStruct type. However, th ...

Race condition in the late update manager

Virtual Reality - Jan 7, 2019

https://udn.unrealengine.com/questions/476212/race-condition-in-lateupdatemanager.html In short, the trick storing a pointer to the packed index of the primitive does not work as it is simply a p ...

Skel Vert/Surf Emitter Location Local Not World Space

Physics - Clothing - Jan 3, 2019

A Skel Vert/Surf particle system attached to a cloth actor spawns particles around the origin instead of around the actor. ...

DECLARE_EVENT Broadcast() can be invoked outside of it's contained class.

Core - Jan 2, 2019

In UE 4.21, The current functionality that exists for DECLARE_EVENT Broadcast() does not function as the docs describe: [Delegate Events|https://docs.unrealengine.com/en-us/Programming/UnrealArchit ...

Editor Scalability Settings cannot be set per project

Tools - Dec 17, 2018

Initial setup of PostProcessQuality in the Editor .ini files does not actual change the setting. The project must be opened once and then closed in order for the settings to take effect. ...

Changing Levels Does't Clear Global DistanceField

Rendering - 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 ...

Using Volume Materials in a Material Billboard Causes Crash When Used with Volumetric Fog

Rendering - Dec 3, 2018

Using volume material used in a material billboard Causes Crash When used with volumetric fog. Found in 4.19 CL# 4033788, 4.20 CL# 4369336, 4.21 CL# 4541578, 4.22 CL# 4618663 ...

Engine crashed during Animation Blueprint compilation with Blend Multi node

Anim - Animation - Nov 30, 2018

Engine crashes if Blend Multi node output is connected to final transition node, and no input is connected to Blend Multi node input parameters. [Image Removed] ...

Setting the Comment Text on a comment box creates two Rename Node transactions in the Undo History

Gameplay - Blueprint - Nov 27, 2018

Setting the text on a comment box creates two Rename Node transactions in the Undo History This issue occurs when setting the comment text of a comment in any graph (blueprint, material, control ri ...