Release record
Release notes
Editorial synthesis with inline references and a source ledger when citations are available.
Source ledger
Sources are linked to the claims they support. Publication and access dates are shown when available.
Apple Support · Apple · 2023-11-06T00:00:00.000Z · watchOS 2.2.1 — 16 May 2016
Apple Support · Apple · 2026-07-30 · watchOS 2.2.1 security content
Apple Support · Apple · 2024-03-08T00:00:00.000Z · watchOS 2.2.1
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.
security · fixed
Apple's advisory records information-disclosure, memory-safety, privilege, validation, networking, and code-execution remediations.
Recorded at Public
bugFix · fixed
The consumer history confirms maintenance but provides no evidence for a named affected feature or corrected symptom.
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
Public release
watchOS 2.2.1 reached the public channel on May 16, 2016 with documented bug fixes and a broad security repair set.
Historical context
Pace, intervals, and duration compared with earlier releases on the same platform.
Historical avg for .2.1 releases
46 days, 5.0 milestones
Based on 1 previous watchOS .2.1 releases
Cycle vs. platform average
40d (avg: 58d)
18 days shorter than the watchOS average
Duration ranking
#37 of 49
Middle of the pack watchOS beta cycles
Longest gap in this cycle
26 days
Between Beta 2 and Public
| Version | Year | Cycle | Milestones | Avg. Interval |
|---|---|---|---|---|
| watchOS 5.2.1 | 2019 | 46d | 5 | 12d |
Scroll horizontally to compare every historical field.