Unreal Engine Issues

Motion Controller meshes do not track with Motion Controller position within VRMode

This is a regression from release 4.21.2 Motion controller meshes are present in the level, they just aren't tracking alongside the motion controls. Motion controls still function as intended othe ...

iOS fails during build step with OSS Facebook plugin enabled due to spaces in filepath

When a user tries to package or launch onto an iOS device they will fail at the build step due to:[3/8] sh Unzipping: /Users/Shared/Epic Games/UE_4.22/Engine/Source/ThirdParty/Facebook/IOS/FacebookS ...

Long delay on iOS Device Output Log can cost loss of logging on some devices

If the delay to begin printing the log to the window is too long, some of the logging can be thrown out. This issue does not occur with Android Device Output log UPDATE1: The last time I reproduce ...

Send Console commands on tvOS

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

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

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

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

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

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

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