Meco Rocket Simulator: Meco 0.3.0: Three New Missions, Better Editor Controls, and Big Stability Wins

Meco 0.3.0 is live and it is a chunky one. This release adds three new missions: Mission 4: Valve Ventures Mission 5: The Combustion Catastrophe (inspired by SpaceX Merlin 1D) Mission 6: The Cooling Crisis (inspired by…