Private development · No public release yet
LEVIATHAN
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CHANGELOG

What changed.
What is still pending.

The public changelog tracks notable Leviathan Launcher development while the project remains private. Public documentation is not the same thing as a public release.

Read changes →Roadmap
Release History

Private development.

Public release pipeline not open yet

CURRENT PUBLIC STATEUnreleased

AppID approved · production validation pending

PUBLIC BUILDNo
APPIDApproved
TESTINGPending

RELEASE HISTORY

Documented development milestones.

This website summary mirrors the public project changelog at a high level. The GitHub file remains the detailed source of record.

Current development

Unreleased

Private Development
Added
  • Microsoft Entra application registration for Leviathan Launcher.
  • Microsoft account, Xbox Live, XSTS and Minecraft Services authentication integration.
  • Minecraft ownership and profile verification flow.
  • Public desktop-client authentication configuration.
  • Minecraft AppID review approved, with production authentication validation still pending.
  • Public project documentation for privacy, security, licensing and third-party notices.
  • Public GitHub repository for transparency and review.
Changed
  • Improved development-status and project documentation.
  • Clarified that public repository visibility does not mean public launcher distribution.
  • Clarified that current development builds remain developer-only.
Security
  • Microsoft passwords are not handled directly by Leviathan Launcher.
  • No confidential Microsoft client secret is embedded in the desktop application.
  • Authentication tokens are treated as sensitive launcher data.
  • Local token, session, environment, cache and credential files are excluded from source control where applicable.
Pending
  • Full production testing against Minecraft Services after AppID approval.
  • Public testing.
  • Public release.
Private development version

0.1.0

2026-09-06
Foundation
  • Initial Java 21 desktop application and Gradle project setup.
  • Launcher user interface foundation.
  • Minecraft version, installation, profile and account-management foundations.
  • Microsoft and Minecraft authentication foundations.
  • Download, update, Java runtime, diagnostics and repair systems.
  • Mod/content integration, server list, skin/profile and Discord Rich Presence foundations.
  • Verification and development test suite.
Note
  • 0.1.0 is a private development version and is not a public release.
  • At the time of this version, AppID approval was still outstanding. The review has since been approved.

RELEASE POLICY

Public releases need more than a version number.

Development versions may change without notice until a public release exists. When public releases begin, each release should clearly document version, date, features, changes, fixes, security updates, known issues and breaking changes where relevant.

1Version and channelStable, preview or testing should be explicit.
2Release notesChanges, fixes, security work and known issues.
3IntegrityChecksums and trusted download location.
Current stagePrivate Development
Official public buildsNone yet
Public testingPending
Release dateNot announced

Want the full source-of-record changelog?

The public repository contains the detailed project changelog and related release documentation.

Open GitHub ChangelogView Roadmap