Release record
Release notes
Editorial synthesis with inline references and a source ledger when citations are available.
watchOS 7.2 was released on December 14, 2020 with Apple Fitness+, low-cardio-fitness health tools, expanded ECG behavior and availability, braille support, additional Family Setup regions, performance work, and security repairs.[1][2]
Source ledger
Sources are linked to the claims they support. Publication and access dates are shown when available.
Apple Support · Apple · 2020-12-14T00:00:00.000Z · Released December 14, 2020
Apple Support · Apple · 2026-07-30 · watchOS 7.2 — availability qualifications
Apple Support · Apple · 2020-12-14T00:00:00.000Z · watchOS 7.2 security content
Documented & observed
Source-linked features, fixes, known issues, removals, and community-observed behavior recorded across this version’s appearances and verified builds.
Release changes
Features, fixes, removals, and regressions first observed in this release record.
enhancement · changed
Apple broadened the heart-rate range in which the ECG app could return an atrial-fibrillation classification.
Recorded at Public
compatibility · introduced
Apple broadened Family Setup availability to four additional markets, retaining its cellular model requirements.
Recorded at Public
feature · introduced
The update expanded cardio-fitness monitoring beyond high-performance ranges and exposed contextual review in the iPhone Health app.
Recorded at Public
enhancement · changed
Apple's consumer record identifies a general performance component without publishing a more granular breakdown.
Recorded at Public
compatibility · introduced
watchOS 7.2 expanded regulated ECG app availability to Taiwan.
Recorded at Public
compatibility · introduced
The release expanded Apple Watch accessibility by enabling supported external braille-display use with VoiceOver.
Recorded at Public
feature · introduced
watchOS 7.2 launched Fitness+ across ten workout categories in its initial six supported countries.
Recorded at Public
security · fixed
Apple's advisory documents fixes across Audio, CoreAudio, FontParser, ImageIO, Security, WebRTC, and Wi-Fi.
Recorded at Public
Milestones
Every recorded channel appearance in chronological order. Open an appearance for any available build, scope, notes, and sources.
Developer beta
Developer beta
Developer beta
Release candidate
Public release
watchOS 7.2 reached the public channel on December 14, 2020 with Fitness+, cardio-fitness tools, ECG changes, braille and Family Setup expansion, performance work, and security repairs.
Historical context
Pace, intervals, and duration compared with earlier releases on the same platform.
Historical avg for .2 releases
47 days, 5.4 milestones
Based on 10 previous watchOS .2 releases
Cycle vs. platform average
32d (avg: 58d)
26 days shorter than the watchOS average
Duration ranking
#48 of 49
One of the shortest watchOS beta cycles
Longest gap in this cycle
14 days
Between Beta 2 and Beta 3
| Version | Year | Cycle | Milestones | Avg. Interval |
|---|---|---|---|---|
| watchOS 6.2 | 2020 | 48d | 7 | 8d |
| watchOS 6.1.2 | 2020 | 42d | 4 | 14d |
| watchOS 5.2 | 2019 | 62d | 7 | 10d |
| watchOS 5.1.2 | 2018 | 29d | 3 | 15d |
| watchOS 4.2.2 | 2018 | 41d | 6 | 8d |
| watchOS 4.2 | 2017 | 36d | 5 | 9d |
Scroll horizontally to compare every historical field.