Platform: Mac; Apple announcement
Announcement and developer preview, not public availability.
Apple source ↗Apple previewed Sequoia on June 10, 2024, and released the free update on September 16. Window management added tiling by dragging windows to screen edges and new shortcuts. Passwords gathered passwords, passkeys, and other credentials in a dedicated app; Safari updated Reader and added Distraction Control.

Apple · Sequoia · 2024-06-10 · Apple · Sequoia · 2024-09-16
iPhone Mirroring let users control their phone from the Mac while it stayed locked. It required a Mac with Apple silicon or a T2 chip, an iPhone with iOS 18, and the same account with two-factor authentication, among other conditions. A material regional limit remains: Apple documentation checked on November 7, 2026, still says it is unavailable in the European Union. It is not presented as a universal feature.
Apple · Sequoia · 2024-09-16 · Apple · iPhone Mirroring · Requirements / EU
Apple Intelligence did not arrive with every feature on Sequoia's launch day. Apple confirmed its first set on October 28, 2024, with macOS 15.1, on Macs with M1 or later and with Siri and device language set to U.S. English. Other features and languages would follow. That historical condition does not describe today's available languages or make a Sequoia-compatible Intel Mac compatible with Apple Intelligence.
Apple · Sequoia · 2024-09-16 · Apple · 15.1 · 2024-10-28
Sequoia's list includes MacBook Pro from 2018, Air from 2020, iMac from 2019, iMac Pro from 2017, mini from 2018, Mac Studio from 2022, and Mac Pro from 2019. These are Apple-listed models, not a guarantee for any later machine. The table preserves the preview, public availability, and 15.1 as selected milestones without builds, not a complete history.
Apple · Sequoia · Compatibility
Selected releases, not a complete history. Dates follow Apple's release records, not the latest page edit. No builds are included.
ISO date: year-month-day.
Platform: Mac; Apple announcement
Announcement and developer preview, not public availability.
Apple source ↗Platform: macOS
Available to download that day, according to Apple.
Apple source ↗Platform: macOS
Release date recorded by Apple; client update.
Apple source ↗