Kerbal Space Program 1.12 "On Final Approach," released in June 2021, acts as the final major update for the original game, adding new launch sites, rotating docking ports, and a ground anchor, according to community discussions and Wikipedia . This update also introduced built-in alarm clock and transfer window tools, alongside significant performance improvements to landing gear and wheels. Detailed release notes are available on Reddit at Kerbal Space Program 1.12: "On Final Approach" is now available! .