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Release appearance

tvOS 11.4 Public

Full article
Public release

Recorded context

About this appearance

tvOS 11.4 reached the public channel on May 29, 2018 with AirPlay 2 multiroom audio, general maintenance, and version-specific security repairs.

Date
May 29, 2018
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 11.4 on May 29, 2018. Its consumer history highlights AirPlay 2 and separately describes general performance and stability work.[1][2]

Documented scope

AirPlay 2 is represented as an ecosystem audio capability across compatible Apple TV, HomePod, and third-party speakers. Security claims remain tied to Apple's advisory.[3][4]

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 11.4

    Apple Support · Apple · 2018-05-29T00:00:00.000Z · Released May 29, 2018

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

    Apple Support · Apple · 2026-07-29 · tvOS 11.4

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

    Apple Support · Apple · 2026-07-29 · tvOS 11.4 — AirPlay 2

    Back to text ↑
  4. About the security content of tvOS 11.4

    Apple Support · Apple · 2018-05-29T00:00:00.000Z · tvOS 11.4 security content

    Back to text ↑
  5. About the security content of tvOS 11.4

    Apple Support · Apple · 2018-05-29T00:00:00.000Z · Bluetooth; Crash Reporter; FontParser; Kernel; libxpc; LinkPresentation; Messages; Security; UIKit; WebKit

Release changes

Changed in this release

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

security · fixed

tvOS 11.4 security repairs

documentedconfirmed

Apple's advisory documents interception, privilege, code-execution, spoofing, impersonation, disclosure, denial-of-service, and web-processing fixes.

  1. [1] About the security content of tvOS 11.4 · Bluetooth; Crash Reporter; FontParser; Kernel; libxpc; LinkPresentation; Messages; Security; UIKit; WebKit