Duplicating blueprint instances in a level with added components causes instance to lose component hierarchy

Gameplay - Components - Jan 28, 2019

Duplicating Blueprint Actor instances in a level with added Actor components causes instance to lose component hierarchy. ...

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 ...

Mali graphics debugger enable fails for Mac OSX and Linux

Platform - Mobile - Jan 25, 2019

The path to libMGD.so for packaging has the wrong path separators for OSX and Linux. ...

GPU Particle Initial Color With Distribution Constant Curve Will Not Transition Between Points

Rendering - Cascade - Jan 24, 2019

GPU Particles will only use the first point of an Initial color module with Distribution set to Constant Curve. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.222 CL# 4768593 ...

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 ...

Using "Select Actors using this Asset" in ActionRPG on some assets causes incorrect actor to be selected

Docs - Samples - Jan 23, 2019

Using the "Select Actors using this Asset" option in ActionRPG causes the InstancedFoilageActor to be selected incorrectly for many assets. It seems to occur with any assets that are being reference ...

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 ...

Launch URL node adds http:// to commands such as mailto:

Platform - Mobile - Jan 22, 2019

LaunchURL places an http:// at the start of any URL that does not contain :// . This causes an issue with the mailto: command and other commands such as this. Regression?: No This occurs in 4.2 ...

Duplicating an Instanced UProperty Component copies a reference, instead of a "deep copy"

Gameplay - Jan 21, 2019

Duplicating a UActorComponent that has an Instanced UPROPERTY does not perform a deep copy of the instanced property. It appears to only copy a reference to the instanced object. Where as, performin ...