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Phaethon

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Launcher changelog

Launcher changelog

Unreleased

v0.2.0-rc6 - 2026-09-26

Launcher

  • Sessions you play while signed in are reported to your Phaethon account, and to no other.
  • Your profile shows play time from Phaethon, or from this PC when Phaethon cannot be reached.
  • Your profile lists each game with its play time, last play and whether its saves are backed up.
  • Phaethon's addresses moved to playphaethon.com.

v0.2.0-rc5 - 2026-09-26

Install

  • The license in setup fills its box and adds terms for game data, updates, presence and warranty.
  • Setup's Back, Next and Cancel buttons are evenly spaced.
  • The Launch Phaethon checkbox at the end of setup no longer touches its text.
  • The uninstaller looks like the setup wizard.
  • Setup shows the Phaethon icon in dark mode.

Launcher

  • Sign in to Phaethon from the launcher.
  • Your profile page shows your name, your email and your play time.
  • A runtime download that the store updates underneath starts over instead of leaving a mixed install.
  • The splash, About and crash reports show the full version, such as v0.2.0-rc4.
  • What's new appears after updating to a pre-release.
  • The launcher always uses Phaethon's server, and the Server setting is gone.
  • The changelog is wider and shows each change as a short summary.
  • The changelog describes each change in one short sentence.
  • An import error message uses American spelling.
  • A game build that fails while compiling now says so plainly.
  • The Home page shows what you are playing while a game runs, and the library waits for it to end.
  • Setup is Phaethon's: where it lives, your preferences, your account.
  • Discord presence can be turned off in Settings.

v0.2.0-rc4 - 2026-09-26

Launcher

  • Discord shows what you are doing in the launcher and in the game.
  • A runtime update rebuilds only the games it changes.
  • Two disc import errors now say what to do.
  • Runtime downloads are recorded in the launcher log.
  • The changelog has a tab for the launcher and one for the runtime.
  • The Runtime updated toast opens what changed.
  • The What's new card lists each change on one line.

Install

  • A setup wizard installs the launcher.
  • Setup says whether it installs, updates, reinstalls or downgrades.
  • Setup and uninstall wait until the launcher is closed.
  • Apps and Features lists the launcher once, and uninstalling asks what else to remove.
  • Setup and its uninstaller are signed whenever the launcher is.

Delivery

  • A busy server makes a runtime download wait and try again instead of failing.
  • The setup wizard can be downloaded from Phaethon's server.

v0.2.0-rc3 - 2026-09-25

Launcher

  • The Game page shows what you are doing while a game runs.
  • Each game keeps its play time and a summary of its last session.
  • Discord support for games and downloads is in place, switched on in rc4.
  • When a game closes, a toast says how long you played and where you stopped.
  • Settings from earlier versions keep their play time.

v0.2.0-rc2 - 2026-09-25

Launcher

  • The launcher is now called Phaethon.
  • Your settings move over with the rename.
  • A pre-release now updates to the next pre-release.

Install

  • The launcher installs for your Windows account and updates itself.
  • The launcher and its installer are ready to be signed.

v0.2.0-rc1 - 2026-09-24

Game

  • The Remastered checkbox starts the game on its remastered settings.
  • Settings saved with the old Enhanced preset open as Remastered.

Delivery

  • Each version is published as a download.
  • Installed launchers are offered only versions checked on the server.

v0.1.0 - 2026-09-02

Launcher

  • The first release of the Jak launcher.
  • It runs beside the launcher it came from without sharing settings or logins.
  • It reaches no server until one is set.
  • A failed update check says so.
  • Its window, About panel, crash dialog and Discord status read Jak Launcher.
  • It has a placeholder icon and logo.
Phaethon is a hard fork of OpenGOAL's jak-project. Naughty Dog made the games; you need your own copy of each. built from the wiki · 27 Sep 2026
Phaethon

Built with AI in the loop. Phaethon uses AI assistance for speed and accuracy, and holds it to the same bar as every other contribution: every change is read, tested and checked against the console before it lands.

develop f183c49b CI green v0.2.0-rc6 26 Sep 2026