Mainsail 0.1.2 (beta)

Warning

This is a beta release. Mainsail writes files into your Kerbal Space Program
folder. Back up your saves and GameData before installing mods.

Things may break. Please report anything that goes wrong.

Installing

1. Download Mainsail-0.1.2.dmg below
2. Open it and drag Mainsail to your Applications folder

This build is signed and notarised — it should open normally.

Requires macOS 14 or later. Universal build (Apple Silicon and Intel).

Mainsail 0.1.1 (beta)

Warning

This is a beta release. Mainsail writes files into your Kerbal Space Program
folder. Back up your saves and GameData before installing mods.

Things may break. Please report anything that goes wrong.

Installing

1. Download Mainsail-0.1.1.dmg below
2. Open it and drag Mainsail to your Applications folder

This build is not code-signed. macOS will refuse to open it on first launch.
Right-click Mainsail.app and choose Open, then confirm. You only need to do this once.

Requires macOS 14 or later. Universal build (Apple Silicon and Intel).