SteamPack 1.4.0 Public Preview
Pre-release
Pre-release
SteamPack is now available as a source preview for macOS Tahoe 26+.
Highlights
- Native Keep Awake and Clamshell controls for Control Center and the menu bar
- Crash/SIGKILL watchdog that restores normal lid-close sleep
- 20% battery cutoff and serious/critical thermal cutoff
- Token-scoped ownership and fail-closed Control Center state
- Restricted permission for only the two exact
pmset disablesleepcommands - 11 unit tests and macOS 26 CI
Distribution note
This prerelease intentionally contains source archives only. No unsigned DMG is provided. A downloadable app will follow only after Developer ID signing and Apple notarization are available.
See the README for build instructions and important closed-lid safety limitations.