Rio build 1474

Rio build 1474 (version 8127.40.1474) was released on November 12, 2026, on Chromium 158.0.8127.40. These are its release notes from GitHub, where the download and the update feed live.

Released .

Update for the beta.

  • Rio now runs on Chromium 158.0.8127.40, with Google's latest security fixes.
  • The Calendar row shows today's date and your next event, and its card opens on Today with the month view, ready the moment you hover.
  • The Gmail card opens fully loaded with your unread count and latest mail, on every account.
  • Pinned web apps like Stripe draw right away after a relaunch, after waking from sleep, and when loaded in the background.
  • Hovering a folder or a tab inside it keeps its highlight while pages in the space update their titles.
  • Restart to Update from a full-screen window brings Rio back as one full-screen window.
  • Swiping between spaces of different profiles keeps one row of favorites on screen.
  • The sidebar redraws only the row that changed, so it stays smooth while many pages load.

This release on GitHub

The Rio logo: a glass orb with sunset waves

Rio is free, in beta.

Download for Mac

Apple silicon, macOS 13 or later. Signed and notarized by Apple.