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Release record

iOS 15.4

Full article
Public release
Recorded milestones
7
Beta cycle
46d
Average interval
8d
Public release
Mar 14, 2022

Release notes

Overview

Editorial synthesis with inline references and a source ledger when citations are available.

Release overview

iOS 15.4 was publicly released on March 14, 2022. iOS 15.4 was a substantial point release centered on masked authentication, communication features, health records, Siri, and new emoji.[1][2]

Face ID with a mask on supported iPhone 12 and later models was the headline addition, alongside expanded SharePlay entry points and EU Digital COVID Certificate support.[1][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 15.4 and iPadOS 15.4

    Apple Support · Apple · 2023-10-31T00:00:00.000Z · iOS 15.4 and iPadOS 15.4 — Released March 14, 2022

    Back to text ↑
  2. About iOS 15 Updates

    Apple Support · Apple · 2026-05-28T00:00:00.000Z · iOS 15.4

    Back to text ↑

Documented & observed

Changes in this version

Source-linked features, fixes, known issues, removals, and community-observed behavior recorded across this version’s appearances and verified builds.

Release changes

Changed in this release

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

enhancement · changed

SharePlay initiation from supported apps

documentedconfirmed

The update reduced the steps needed to begin supported shared experiences.

Recorded at Public

  1. [1] About iOS 15 Updates · iOS 15.4 — FaceTime

enhancement · changed

New emoji and Siri voice options

documentedconfirmed

New emoji arrived with an additional Siri voice and more offline time-and-date responses.

Recorded at Public

  1. [1] About iOS 15 Updates · iOS 15.4 — Emoji and Siri

feature · introduced

EU Digital COVID Certificate support

documentedconfirmed

The release expanded supported verifiable vaccination, laboratory, and recovery records.

Recorded at Public

  1. [1] About iOS 15 Updates · iOS 15.4 — Health

feature · introduced

Face ID with a mask

documentedconfirmed

The release added masked Face ID authentication on supported hardware.

Recorded at Public

  1. [1] About iOS 15 Updates · iOS 15.4 — Face ID

Milestones

Release history

Every recorded channel appearance in chronological order. Open an appearance for any available build, scope, notes, and sources.

  2. +12 days
  3. +7 days
  4. +7 days
  5. +7 days
  6. +7 days
  7. +6 days

    Public release

    Public

    Full articleEditorially verified

    iOS 15.4 reached the public release channel on March 14, 2022. iOS 15.4 was a substantial point release centered on masked authentication, communication features, health records, Siri, and new emoji. This article records the public appearance only and does not attribute cumulative notes to an earlier beta.

    Availability
    available
    Sources
    7 linked
    Open this appearance

Historical context

Cycle comparison

Pace, intervals, and duration compared with earlier releases on the same platform.

Historical avg for .4 releases

49 days, 6.4 milestones

Based on 9 previous iOS .4 releases

Cycle vs. platform average

46d (avg: 58d)

12 days shorter than the iOS average

Duration ranking

#49 of 92

Middle of the pack iOS beta cycles

Longest gap in this cycle

12 days

Between Beta 1 and Beta 2

Previous .4 releases (iOS)

Previous comparable iOS releases
VersionYearCycleMilestonesAvg. Interval
iOS 26.4202636d76d
iOS 18.4202538d76d
iOS 17.4202440d77d
iOS 16.4202339d68d
iOS 14.4202141d414d
iOS 13.4202048d78d

Scroll horizontally to compare every historical field.

Official release notes