Update notes for version 2.2.17.21 (April 10)

Added Time to Next Fix bus value and XML display value for aircraft/aerospace vehicles
Added a pop-up to explain installed inventory items like JVC Audio
Volume decrease from engines after critical engine altitude is now linear
Death reason text and rejoin UI is now coming from localized (translated) string system
You must now put ground vehicles in park or stop thrusting in air/space vehicles to repair
Orbital calculations refactor now showing HYPERBOLIC instead of negative apoapsis values
Fixed issue where you can see waypoints on the other side of the moon on your moving map
West and south entrances added to Industrial and Financial district to connect to player roads
Low fuel warning help verbiage now triggered at 25% instead of 50%
Refactored TCAS system to use enumeration instead of magic numbers
CAS now has engine failure detection logic and will show ENG # FAILED on alert stack
High-speed taxiway exits added using a new RTS mirroring technique now supported
Improved disk space used by bump maps for RTS and added variance to taxiways