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Release appearance

watchOS 5.0 Public

Full article
Public release

Recorded context

About this appearance

watchOS 5.0 reached the public channel on September 17, 2018 with major fitness, communication, audio, face, Siri, notification, health, utility, compatibility, and security changes.

Date
Sep 17, 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 5 on September 17, 2018 for Apple Watch Series 1 and later. The launch expanded fitness tracking and competition, wrist-based communication and audio, proactive information, notifications, health monitoring, and everyday controls.[1][2][3]

Documented scope

The structured entries group closely related bullets from Apple's version-labeled watchOS 5 section and summarize its dedicated security advisory. They do not include later 5.0.1 fixes or Series 4 ECG functionality, which Apple activated in 5.1.2.[4][5][6]

Source ledger

References

Sources are linked to the claims they support. Publication and access dates are shown when available.

  1. watchOS 5 adds powerful activity and communications features to Apple Watch

    Apple Newsroom · Apple · 2018-06-04T00:00:00.000Z · Availability; feature overview

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

    Apple Support · Apple · 2018-09-17T00:00:00.000Z · Released September 17, 2018

    Back to text ↑
  3. About watchOS 5 Updates

    Apple Support · Apple · 2026-07-30 · watchOS 5

    Back to text ↑
  4. ECG app and irregular heart rhythm notification available today on Apple Watch

    Apple Newsroom · Apple · 2018-12-06T00:00:00.000Z · ECG availability December 6, 2018

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

    Apple Support · Apple · 2018-09-17T00:00:00.000Z · watchOS 5 security content

    Back to text ↑
  6. About watchOS 5 Updates

    Apple Support · Apple · 2026-07-30 · watchOS 5 through watchOS 5.1.2

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

    Apple Support · Apple · 2018-09-17T00:00:00.000Z · CFNetwork; CoreFoundation; CoreText; dyld; Heimdal; IOHIDFamily; IOKit; iTunes Store; Kernel; Security; WebKit

  8. About watchOS 5 Updates

    Apple Support · Apple · 2026-07-30 · watchOS 5 — Activity

  9. About watchOS 5 Updates

    Apple Support · Apple · 2026-07-30 · watchOS 5 — Apple Podcasts

  10. About watchOS 5 Updates

    Apple Support · Apple · 2026-07-30 · watchOS 5 — Heart Rate

  11. About watchOS 5 Updates

    Apple Support · Apple · 2026-07-30 · watchOS 5 — Notifications

  12. About watchOS 5 Updates

    Apple Support · Apple · 2026-07-30 · watchOS 5 — Other features and improvements

  13. About watchOS 5 Updates

    Apple Support · Apple · 2026-07-30 · watchOS 5 — Siri

  14. About watchOS 5 Updates

    Apple Support · Apple · 2026-07-30 · watchOS 5 — Walkie-Talkie

  15. About watchOS 5 Updates

    Apple Support · Apple · 2026-07-30 · watchOS 5 — Watch Faces

  16. About watchOS 5 Updates

    Apple Support · Apple · 2026-07-30 · watchOS 5 — Workout running metrics

  17. About watchOS 5 Updates

    Apple Support · Apple · 2026-07-30 · watchOS 5 — Workout

  18. watchOS 5 adds powerful activity and communications features to Apple Watch

    Apple Newsroom · Apple · 2018-06-04T00:00:00.000Z · watchOS 5 preview

Release changes

Changed in this release

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

feature · introduced

Low heart-rate notifications

documentedconfirmed

watchOS 5 extended passive heart monitoring beyond high-rate alerts with a configurable low-rate condition.

  1. [1] About watchOS 5 Updates · watchOS 5 — Heart Rate

enhancement · changed

Breathe, motion, Memories, and new complications

documentedconfirmed

The face collection expanded with animated and photo-driven choices plus direct entry points for two new apps.

  1. [1] About watchOS 5 Updates · watchOS 5 — Watch Faces

enhancement · changed

Web previews, weather metrics, and app utilities

documentedconfirmed

The release expanded information available directly on the watch, including UV, wind, and air-quality data in supported regions.

  1. [1] About watchOS 5 Updates · watchOS 5 — Other features and improvements

enhancement · changed

Siri face, Raise to Speak, and Shortcuts

documentedconfirmed

watchOS 5 surfaced richer contextual cards and reduced the steps needed to make supported Siri requests from the wrist.

  1. [1] About watchOS 5 Updates · watchOS 5 — Siri

enhancement · changed

Grouped notifications and contextual Do Not Disturb

documentedconfirmed

The update made alerts easier to triage and allowed temporary interruption controls to expire automatically.

  1. [1] About watchOS 5 Updates · watchOS 5 — Notifications

feature · introduced

Walkie-Talkie

documentedconfirmed

Apple added a lightweight voice channel between compatible Apple Watch users, designed around press-to-speak exchanges.

  1. [1] About watchOS 5 Updates · watchOS 5 — Walkie-Talkie

enhancement · changed

Wi-Fi, Control Center, and system-management tools

documentedconfirmed

A collection of system changes improved connectivity control, customization, update timing, call handling, and language support.

  1. [1] About watchOS 5 Updates · watchOS 5 — Other features and improvements

feature · introduced

Seven-day Activity competitions

documentedconfirmed

watchOS 5 added head-to-head competitions with daily scoring, coaching-style notifications, and an end-of-challenge award.

  1. [1] About watchOS 5 Updates · watchOS 5 — Activity

enhancement · changed

Running pace, cadence, and rolling-distance metrics

documentedconfirmed

watchOS 5 gave runners more immediate feedback about target pace, step rate, and current-distance performance.

  1. [1] About watchOS 5 Updates · watchOS 5 — Workout running metrics

security · fixed

watchOS 5 security repairs

documentedconfirmed

Apple's advisory documents a broad initial security baseline including memory-safety, privilege, sandbox, spoofing, disclosure, and cross-origin fixes.

  1. [1] About the security content of watchOS 5 · CFNetwork; CoreFoundation; CoreText; dyld; Heimdal; IOHIDFamily; IOKit; iTunes Store; Kernel; Security; WebKit

feature · introduced

Apple Podcasts on Apple Watch

documentedconfirmed

The release brought Apple's podcast catalog to the wrist for local Bluetooth listening or supported Wi-Fi and cellular streaming.

  1. [1] About watchOS 5 Updates · watchOS 5 — Apple Podcasts

enhancement · changed

Automatic workout detection, Yoga, and Hiking

documentedconfirmed

The update reduced missed workout logging and expanded the activity models available for tracking two additional exercise types.

  1. [1] About watchOS 5 Updates · watchOS 5 — Workout