Media
Does YouTube Music work offline?
Shipping YouTube Music behavior is a local Mac utility. YouTube Music can attach through the optional WebSocket controller. Network is not required for the core notch host.
Last updated 2026-12-13
What needs a network
Sparkle updates and optional music backends may need a network. YouTube Music itself is described as on-device where the feature allows.
AI is separate
NotNotch AI is in development and is not required to use YouTube Music.