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Release appearance

tvOS 15.1 Public

Full article
Public release

Recorded context

About this appearance

tvOS 15.1 reached the public channel on October 25, 2021 with SharePlay, general performance and stability work, and a version-specific security repair set.

Date
Oct 25, 2021
Availability
available
Revision
No

Release notes

What changed

Original editorial synthesis. Linked references appear with the claims they support and in the source ledger.

Public release

Apple released tvOS 15.1 on October 25, 2021. Its named feature was SharePlay, which synchronized supported Apple TV viewing while participants remained connected through FaceTime on an iPhone or iPad.[1][2]

Documented scope

Apple also lists general performance and stability work and documents security fixes in media and document processing, file and cloud services, the kernel, secure text entry, and WebKit. No undocumented changes are inferred.[3][2]

Source ledger

References

Sources are linked to the claims they support. Publication and access dates are shown when available.

  1. About the security content of tvOS 15.1

    Apple Support · Apple · 2021-10-25T00:00:00.000Z · Released October 25, 2021

    Back to text ↑
  2. About Apple TV 4K and Apple TV HD software updates

    Apple Support · Apple · 2026-07-29 · tvOS 15.1

    Back to text ↑
  3. About the security content of tvOS 15.1

    Apple Support · Apple · 2021-10-25T00:00:00.000Z · Audio; CoreGraphics; FileProvider; iCloud; Kernel; UIKit; WebKit

    Back to text ↑
  4. About the security content of tvOS 15.1

    Apple Support · Apple · 2021-10-25T00:00:00.000Z · Audio; ColorSync; CoreAudio; CoreGraphics; FileProvider; Game Center; iCloud; Kernel; UIKit; WebKit

  5. About Apple TV 4K and Apple TV HD software updates

    Apple Support · Apple · 2026-07-29 · tvOS 15.1 — SharePlay

Release changes

Changed in this release

Features, fixes, removals, and regressions first observed in this release record.

security · fixed

tvOS 15.1 security repairs

documentedconfirmed

Apple's advisory records fixes across Audio, ColorSync, CoreAudio, CoreGraphics, FileProvider, Game Center, iCloud, the kernel, UIKit, and WebKit.

  1. [1] About the security content of tvOS 15.1 · Audio; ColorSync; CoreAudio; CoreGraphics; FileProvider; Game Center; iCloud; Kernel; UIKit; WebKit