Release appearance

watchOS 4.3.1 Public

Full article
Public release

Recorded context

About this appearance

watchOS 4.3.1 reached the public channel on May 29, 2018 with a fix for watches that could remain at the startup logo and security repairs across wireless, parsing, messaging, identity, kernel, and web surfaces.

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 watchOS 4.3.1 on May 29, 2018. The consumer history identifies a startup issue affecting some users as the version's named ordinary correction.[1][2]

Documented scope

The advisory documents the broader technical repair set. The page does not infer the prevalence or cause of the startup condition.[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 watchOS 4.3.1

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

    Back to text ↑
  2. About watchOS 4 Updates

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

    Back to text ↑
  3. About the security content of watchOS 4.3.1

    Apple Support · Apple · 2018-05-29T00:00:00.000Z · Bluetooth through WebKit security content

    Back to text ↑
  4. About the security content of watchOS 4.3.1

    Apple Support · Apple · 2018-05-29T00:00:00.000Z · Bluetooth; CoreGraphics; 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.

bugFix · fixed

Startup-logo hang correction

documentedconfirmed

The update addressed an intermittent boot path that prevented affected devices from progressing beyond the startup screen.

  1. [1] About watchOS 4 Updates · watchOS 4.3.1

security · fixed

watchOS 4.3.1 security repairs

documentedconfirmed

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

  1. [1] About the security content of watchOS 4.3.1 · Bluetooth; CoreGraphics; Crash Reporter; FontParser; Kernel; libxpc; LinkPresentation; Messages; Security; UIKit; WebKit