Displays
Does multiple displays work offline?
Shipping multiple displays behavior is a local Mac utility. The companion can follow the display you choose instead of cloning every screen. Network is not required for the core notch host.
Last updated 2027-06-11
What needs a network
Sparkle updates and optional music backends may need a network. multiple displays itself is described as on-device where the feature allows.
AI is separate
NotNotch AI is in development and is not required to use multiple displays.