The "To Vee or not To Vee" update (1.6) for Kerbal Space Program, released in December 2018, introduced native Delta-v and TWR calculations, major part revamps, and improved navigation tools to the base game. This update, often labeled as "MULTi" for multi-language support, also included new texture variants for various rocket components. For more details, visit Kerbal Space Program Wiki . Version history - Kerbal Space Program Wiki