We have worked steadily since the release of the open alpha to address issues that have popped up. The following is the change log for the first patch:

Car Designer

• Fix for fixture highlighting Issue
  
• Fixed traction graphs
  
• Engine meshes update on engine project selection

Engine Designer

• Lots of supercharger and piping related fixes
  
• Fixed incorrect RPM in engine sounds
  
• Fixed some wrong airbox stuff for centrifugal superchargers
  
• Supercharger RPM sound fix
  
• Fixed compound turbo sizing impacting wrong turbo
  
• Fixed wrong compound headers
  
• Changed ethanol unlock years
  
• Centrifugal supercharger boost limit increased to 5 bar

Multiplayer

• Client to server communication improvements
  
• Can now join games in progress
  
• Player will be forced back to lobby screen when the host starts a new game
  
• Various UI and player flow improvements

BeamNG Exporter

• Fix for superchargers not having enough torque and too high fuel consumption
  
• Doubled radiator fan speed
  
• Reduced radiator fan activation temperature from 105 to 95
  
• Increased calculated coolant and oil quantities
  
• Fix for RPM getting stuck at max when using manual clutch

Other

• Added alpha build number to build
  
• Fixed car engine project creation disabling itself
  
• Graph button now shows as enabled when finished calculating car/engine

These fixes should make the weekend go a bit smoother and we might have another little patch for you on Monday... if not, we wish you all a Merry Christmas!

Cheers!