Version 7.9 - 2021/07/05

• fix crash bug in terrain renderer
• fix crash bug in IGC file parser
• settings
  • allow LiveTrack24 tracking intervals smaller than 5 seconds
• user interface
  • support for Pilot Event (PEV) start procedure
  • properly update device status in device list dialog
  • add alternate 2 glide ratio infobox
• devices
  • TCP Client: fix automatic reconnect after connection loss
  • GliderLink: fix disappearing configuration
• calculations
  • fix AAT task optimization bug
• Android
  • support USB serial adapters
  • auto-reconnect to IOIO UARTs