Version RecordIndependent release archive
Menu

Release appearance

watchOS 4.3 Public

Full article
Public release

Recorded context

About this appearance

watchOS 4.3 reached the public channel on March 29, 2018 with expanded music and Nightstand controls, richer Siri-face information, two targeted corrections, and a broad security update.

Date
Mar 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 watchOS 4.3 on March 29, 2018. Its update history names six user-facing additions or fixes, while the companion advisory documents the security set.[1][2]

Documented scope

The page limits itself to Apple's version-labeled 4.3 bullets and advisory. It does not treat the later 4.3.1 startup fix as part of this release.[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 watchOS 4.3

    Apple Support · Apple · 2018-03-29T00:00:00.000Z · Released March 29, 2018

    Back to text ↑
  2. About watchOS 4 Updates

    Apple Support · Apple · 2026-07-30 · watchOS 4.3

    Back to text ↑
  3. About the security content of watchOS 4.3

    Apple Support · Apple · 2018-03-29T00:00:00.000Z · watchOS 4.3 security content

    Back to text ↑
  4. About watchOS 4 Updates

    Apple Support · Apple · 2026-07-30 · watchOS 4.3 through watchOS 4.3.1

    Back to text ↑
  5. About the security content of watchOS 4.3

    Apple Support · Apple · 2018-03-29T00:00:00.000Z · CoreFoundation; CoreText; File System Events; Kernel; libxml2; LinkPresentation; NSURLSession; Quick Look; Security; System Preferences; WebKit

  6. About watchOS 4 Updates

    Apple Support · Apple · 2026-07-30 · watchOS 4.3 — Activity achievements

  7. About watchOS 4 Updates

    Apple Support · Apple · 2026-07-30 · watchOS 4.3 — HomePod

  8. About watchOS 4 Updates

    Apple Support · Apple · 2026-07-30 · watchOS 4.3 — music on iPhone

  9. About watchOS 4 Updates

    Apple Support · Apple · 2026-07-30 · watchOS 4.3 — Nightstand

  10. About watchOS 4 Updates

    Apple Support · Apple · 2026-07-30 · watchOS 4.3 — Siri music commands

  11. About watchOS 4 Updates

    Apple Support · Apple · 2026-07-30 · watchOS 4.3 — Siri watch face

Release changes

Changed in this release

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

enhancement · changed

Nightstand mode in either orientation

documentedconfirmed

The bedside display no longer depended on one fixed charging orientation.

  1. [1] About watchOS 4 Updates · watchOS 4.3 — Nightstand

feature · introduced

HomePod playback controls

documentedconfirmed

The update let a watch act as a compact controller for audio playing on HomePod.

  1. [1] About watchOS 4 Updates · watchOS 4.3 — HomePod

security · fixed

watchOS 4.3 security repairs

documentedconfirmed

Apple's advisory records race-condition, memory-safety, information-disclosure, spoofing, profile-cleanup, and cross-origin fixes.

  1. [1] About the security content of watchOS 4.3 · CoreFoundation; CoreText; File System Events; Kernel; libxml2; LinkPresentation; NSURLSession; Quick Look; Security; System Preferences; WebKit

bugFix · fixed

Activity achievement correction

documentedconfirmed

watchOS 4.3 corrected erroneous award state for affected users.

  1. [1] About watchOS 4 Updates · watchOS 4.3 — Activity achievements

bugFix · fixed

Siri music-command audio fix

documentedconfirmed

Apple addressed a compatibility failure between voice-directed playback and certain audio outputs.

  1. [1] About watchOS 4 Updates · watchOS 4.3 — Siri music commands

enhancement · changed

Siri face Activity and music updates

documentedconfirmed

The predictive face surfaced more personal fitness progress and music-library updates.

  1. [1] About watchOS 4 Updates · watchOS 4.3 — Siri watch face

bugFix · fixed

Restored iPhone music controls

documentedconfirmed

The release returned an earlier remote-control path for iPhone music playback.

  1. [1] About watchOS 4 Updates · watchOS 4.3 — music on iPhone