Archivo: Kerbal.space.program.v1.12.3.3173.incl... May 2026

New high-quality models and textures for several solar panel parts, including a large circular variant.

Since version 1.12.3 is a maintenance update of the 1.12 branch, it includes all the major "final" features added to the game: Archivo: Kerbal.Space.Program.v1.12.3.3173.Incl...

The 1.12 series updated the game to Unity 2019.4.18f1 LTS , providing better stability and support for modern hardware. New high-quality models and textures for several solar

Introduced the "Slim" suit, a sleek design inspired by modern private aerospace sector EVA suits. Added limited rotation to docking port collars, allowing

Added limited rotation to docking port collars, allowing for precise vessel alignment after docking.

An in-game app designed to help players plan complex interplanetary transfer nodes without needing external mods like MechJeb .

This version is widely considered the "gold standard" for modding, as active development has ceased. Major visual overhauls like Parallax Continued and part revamps like Restock are fully compatible with this build. The ULTIMATE KSP 1.12 Preview - the FINAL update!