Downloads and execution
The launcher uses CmlLib.Core to resolve Minecraft metadata, files and the matching Java runtime. The selected game is launched as a child process under your Windows user.
- Official version metadata and content endpoints
- Hash-aware game file installation
- Per-user application folder
- No administrator requirement
Local data
Settings include display name, selected version, memory, resolution, Java override and game directory. They are stored in LocalAppData.
- No Microsoft access token
- No password
- No payment information
- No remote profile sync in this beta
Release verification
Every download page exposes the exact filename, byte size and SHA-256 digest. Public release files should be code-signed before the stable channel.
Report responsibly
Do not publish exploit details before a fix is available. Send the affected version, reproduction steps and impact through the contact path on the Help page.