Unable to change Blueprint Child Variable values in Python

Tools - Python - Dec 20, 2018

Using the Python function unreal.SystemLibrary.set_bool_property_by_name() to change the default variable values of a child Blueprint do not work as intended. Tested in 4.20.3 (CL - 4369336), 4.21. ...

Collision Problems on Meshes with Collision Complexity Setting UseComplexAsSimple

Physics - Dec 20, 2018

Collision does not appear to work properly on a static mesh that is set up with UseComplexCollisionAsSimple. ...

Extra column that cannot be edited is shown in Property Matrix when editing a Data Asset

Tools - Dec 19, 2018

When using the Property Matrix to edit a Data Asset, there is an extra column shown named "Native Class" that cannot be edited. This is most likely due to the code only checking to see if a property ...

Playing video in the Editor's Media Player on a Mac results in a degradation in quality with some noticeable banding present

Platform - Mac - Dec 19, 2018

Playing a video on a Mac using the Editor's Media Player results in the video appearing to have had its data compressed, and with an apparent decrease in quality. In particular, there is noticeable ...

CameraPosition Node in a Material Shader does not behave correctly with Metal

Platform - Mobile - Dec 19, 2018

When using a CameraPosition Node in a Material Shader, it does not behave correctly with Metal. Working as expected in 4.20 CL# 4369336 Found in 4.21 CL# 4613538 and 4.22 CL# 4666322 ...

CircleDOF Creates Artifacts When Close to a Translucent Surface With an Object Behind It

Rendering - Dec 19, 2018

With CircleDOF enabled artifacts will occur when getting close to a translucent plane with an object behind it. This does not occur with any other DOF method or if "Render After DOF" is disabled in ...

BP function node inputs can unintentionally add or clobber metadata

Gameplay - Blueprint - Dec 19, 2018

Blueprint inputs are added to nodes as metadata, with the key set to the pin name and the value set to the default for that pin. Since blueprint functions allow you to name your own input pins, this ...

APEX Plugin - Destructible Mesh creation no longer creates/assigns Mesh Material

Physics - Destruction - Dec 19, 2018

Destructible mesh material creation no longer creates/assigns DM array element with material from mesh. Workaround: Assign material manually after creating Destructible mesh Confirmed in MAIN @ CL ...

Crash when duplicating an UMG Animation and not renaming the Duplicate

Sequencer - Dec 19, 2018

Crash when duplicating an UMG Animation and not renaming the Duplicate Hitting Enter correctly warns the user you have an existing Animation by that name, and doesn't crash Reproduced in //UE4/Rel ...

Editor memory leak when Actor's string variable contains characters close to/exceeding a million bytes

Tools - Editor Properties - Dec 19, 2018

Editor memory leak occurs when Actor's String Variable contains Characters(Char) close to/exceeding a million bytes ...