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

Added customizable firework launchers (Starshot-8 and Starshot-32) for mission celebrations. Technical Context

The 1.12 series updated the game to Unity 2019.4.18f1 LTS , providing better stability and support for modern hardware.

Version was the last major content update for the game. The specific build v1.12.3 focused on refining the significant additions of the 1.12 series while ensuring stability as the developer, Squad, shifted focus toward the sequel. Key Features of the 1.12 "Final Approach" Series Archivo: Kerbal.Space.Program.v1.12.3.3173.Incl...

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!

Scattered new discoverable launch sites and easter eggs throughout the Kerbol system. The specific build v1

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:

New high-quality models and textures for several solar panel parts, including a large circular variant. The ULTIMATE KSP 1

A built-in system to set reminders for maneuver nodes, apoapsis/periapsis crossings, or other critical mission events.