v1.0.3
LatestApril 28, 2026
New
- Language support: the UI now switches automatically based on your macOS region (Japan: Japanese / everywhere else: English)
Release notes
Halcyon changelog
v1.0.2
March 7, 2026
New
- Welcome window: shown on first launch to help new users get started
Improvements
- Apple Notarization support
- Various design and performance tweaks
v1.0.1
March 2, 2026
Improvements
- Automatic update checks on launch
- Alerts are shown only when a newer version is available
v1.0.0
February 16, 2026
Initial release
- Three-step action chain: screen saver → display off → system sleep
- Per-step on/off and wait-time settings
- Idle time detection (5-second polling)
- Instant cancellation on mouse or keyboard input
- Menu bar app (no Dock icon)
- Launch at login
- macOS 14 Sonoma or later