Appearance
Dark Mode on macOS 27
NotNotch is meant to run Dark Mode on macOS 27 (Darwin 27) while still supporting macOS 14. The companion follows system light and dark appearance.
Last updated 2027-03-16
Runtime vs SDK
Local builds may still use the macOS 26 SDK in Xcode 26. The goal is a clean run on macOS 27, not a 27-only app.
What stays the same
Dark Mode should keep the same user-facing behavior. The companion follows system light and dark appearance.