1.01 is up and implements some important technical additions and fixes:

• Latest Unreal code 4.24.1. This includes various bug fixes, improvements, and ray tracing refinements Epic is adding.
  
• Invert mouse and controller preferences. This is the first of other controller preferences.
  
• Misc minor bug fixes and other usability refinements.
  

Enjoy! More to come! ːsteamhappyː