Hotfix 0.5.4-2

Stability

• Fixed: the World Data screen could freeze and crash the game.
  

Displays & Controls

• Fixed: mouse wheel scrolling jumped a whole block per notch on Windows and macOS.
  
• Fixed: clicking a scrollbar's arrows or thumb also triggered the button or row behind it.
  
• UI Scale and in-race HUD scale now go up to 300% and 400% for 4K/Retina displays.
  

Audio

• Fixed: menu music, UI click sounds and tutorial voice stayed silent on some sound devices.
  

Career

• Fixed: at the summer break, a condition where all engine / tyre / fuel suppliers could announce they were leaving at once.
  
• Fixed: the GP-10 free weekend gave 3 driver offers for the whole weekend instead of 3 per turn. You now get a fresh set each turn with the remaining count shown.
  
• Fixed: a driver under contract was labelled "Free Agent" in the Scouting → Missions list.