macOS

On-device macOS Sequoia on a Mac

macOS Sequoia is implemented in the native Swift app, not as a web view in the notch. Now Playing on newer systems can use MediaRemoteAdapter paths introduced around macOS 15.4.

Last updated 2027-08-31

Why native matters

A real Mac utility can follow Spaces, displays, and system appearance. macOS Sequoia is part of that host.

What stays in-tree

First-party macOS Sequoia lives in the app. Third-party packages cannot load unsigned code.

Back to the blog