Hot reload can no longer be performed after adding an empty class to a Blueprint-only project

Core - Feb 7, 2019

Adding an empty code class to a Blueprint-only project prevents the project from being able to perform any hot reloads. When clicking the Compile button in the Editor, a warning is added to the log ...

Piloting Actors and Cameras does not have expected results when focusing and orbiting

Enterprise - Feb 7, 2019

Piloting a camera or actor in the scene does not have expected camera controls when focusing and orbiting something while holding Alt. ...

OnAudioPlaybackPercent doesn't work after restarting the project

Audio - Feb 7, 2019

Using the OnAudioPlayback event in Blueprints does not work when playing the audio component its connected to while PIE, after restarting the project. Tested in 4.20.3 (CL - 4369336), 4.21.2 (CL ...

Data Asset Deserialization crash after upgrading 4.19.2 to 421.1

Core - Feb 7, 2019

The User has provided an extensive log of their code base setup, and the process leading up to when the Assert occurs. "Our game mode & player state FSM are setup in a data driven manor using UDa ...

Data Table Reimport - No popup to specify source file

Tools - Import - Feb 6, 2019

Selecting Reimport on a DataTable created in editor no longer triggers selection popup. "The change in behavior seems to be related to changes to UReimportDataTableFactory::CanReimport() which now ...

Broken dependency in MediaComposting.uplugin

Sequencer - Feb 6, 2019

MediaComposting starts up ImgMedia regardless if it's disabled ...

Copied and Pasted tracks do not persist between editor session in UMG Sequencer

Sequencer - Feb 6, 2019

Copied and Pasted tracks do not persist between editor session in UMG Sequencer Outside of //UE4/Dev-Sequencer this will result in a crash: UE-69535 ...

Niagara Grid Location Module spawns particles off center

Rendering - Niagara - Feb 5, 2019

the GridLocation module spawns particles off center. ...

Project Version setting not reflected in a project's packaged executable's property details

DevTools - Feb 5, 2019

When a Project Version value has been specified in the Project Settings, this value is not set into either the File Version value or the Product Version value in a packaged game. The File Version va ...