Onyx Launcher 1.6.3

Onyx Launcher 1.6.3 is the current stable desktop release for Windows and Linux.

Why try Onyx

• Keep worlds, mods, loaders, Java, memory, and launch settings isolated per instance.
• Browse and install Modrinth modpacks and mods without leaving the launcher.
• Let Onyx select and install Eclipse Temurin Java 8, 17, or 21 automatically.
• Diagnose failed launches with actionable logs, Crash Bisect, and performance recordings.
• Protect worlds with snapshots, safe restoration, backups, and operating-system trash.
• Sign in through Microsoft's device-code flow; Onyx never receives your password.

Downloads

• Windows installer: Onyx.Launcher.Setup.1.6.3.exe ? recommended for most Windows users.
• Windows portable: Onyx.Launcher.1.6.3.exe.
• Linux AppImage: Onyx-Launcher-1.6.3-x86_64.AppImage.
• Linux portable: Onyx-Launcher-1.6.3-linux-x64.tar.gz.
• SHA-256 checksum files are attached for both platforms.

Quick start

Run the Linux AppImage after downloading it:

chmod +x Onyx-Launcher-1.6.3-x86_64.AppImage
./Onyx-Launcher-1.6.3-x86_64.AppImage

Install the Windows portable build with Scoop:

scoop bucket add onyx https://github.com/lonestill/scoop-onyx
scoop install onyx/onyx-launcher

Windows builds are currently unsigned, so Microsoft SmartScreen may display a warning. Onyx does not distribute Minecraft or bypass its license; a licensed Microsoft account is required for the full Minecraft: Java Edition experience. The official demo can run without an account.

Website: https://lonestill.github.io
Release story: https://lonestill.github.io/blog/onyx-launcher-1-6-3/
Press kit: https://lonestill.github.io/press/
AppImageHub listing: https://appimage.github.io/Onyx_Launcher/
Source and issue tracker: https://github.com/lonestill/onyx-launcher

Full changelog: v1.6.2...v1.6.3

Onyx Launcher 1.6.2

Full Changelog: v1.6.1...v1.6.2