Version RecordIndependent release archive
Menu

Release appearance

iOS 11.4 Public

Full article
Public release

Recorded context

About this appearance

iOS 11.4 reached the public release channel on May 29, 2018. iOS 11.4 was publicly released on May 29, 2018. Its headline additions were AirPlay 2 multi-room audio, HomePod stereo-pair setup, Messages in iCloud, and a broad set of security fixes. This article records the public appearance only and does not assign cumulative notes to an earlier beta.

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’s dated records place the public iOS 11.4 appearance on May 29, 2018. This article covers that public release and does not infer beta-specific timing or an undocumented build number.[1][2]

What changed

AirPlay 2 coordinated playback and controls across compatible speakers, HomePod gained stereo-pair support, and Messages in iCloud synchronized stored conversations and deletions across signed-in devices with end-to-end encryption.[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 iOS 11.4

    Apple Support · Apple · 2023-11-02T00:00:00.000Z · iOS 11.4 — Released May 29, 2018

    Back to text ↑
  2. About iOS 11 Updates

    Apple Support · Apple · 2023-11-15T00:00:00.000Z · iOS 11.4

    Back to text ↑
  3. About the security content of iOS 11.4

    Apple Support · Apple · 2023-11-02T00:00:00.000Z · iOS 11.4 — security content

    Back to text ↑
  4. About iOS 11 Updates

    Apple Support · Apple · 2023-11-15T00:00:00.000Z · iOS 11.4 — AirPlay 2

  5. About iOS 11 Updates

    Apple Support · Apple · 2023-11-15T00:00:00.000Z · iOS 11.4 — HomePod stereo pair

  6. About iOS 11 Updates

    Apple Support · Apple · 2023-11-15T00:00:00.000Z · iOS 11.4 — Messages in iCloud

Release changes

Changed in this release

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

feature · introduced

HomePod stereo-pair setup

documentedconfirmed

The release added iOS-side setup support for HomePod stereo pairs and their automatic spatial balancing.

  1. [1] About iOS 11 Updates · iOS 11.4 — HomePod stereo pair

feature · introduced

AirPlay 2 multi-room audio

documentedconfirmed

The update added multi-room audio controls through Control Center, the Lock Screen, apps, and Siri on supported configurations.

  1. [1] About iOS 11 Updates · iOS 11.4 — AirPlay 2

feature · introduced

Messages in iCloud

documentedconfirmed

The feature reduced local storage use, restored conversations on newly signed-in devices, and retained end-to-end encryption.

  1. [1] About iOS 11 Updates · iOS 11.4 — Messages in iCloud

security · fixed

iOS 11.4 security fixes

documentedconfirmed

Apple’s advisory documents a broad security set shipped with the May 29 public release.

  1. [1] About the security content of iOS 11.4 · iOS 11.4 — security content