bugFix · fixed
Movement-disorder health behavior correction
documentedconfirmed
watchOS 26.4 corrected a Health-related behavior affecting the documented movement-disorder case.
Recorded at Public
- [1] watchOS 26.4 Release Notes · Health
Release record
watchOS 26.4
Full article
Public release
- Recorded milestones
- 7
- Beta cycle
- 36d
- Average interval
- 6d
- Public release
- Mar 24, 2026
Release notes
Overview
Editorial synthesis with inline references and a source ledger when citations are available.
watchOS 26.4 brought accessory and workout shortcuts together with fixes for Workout Buddy, health behavior, proxy traffic, StoreKit, and SwiftUI user activity.[1][2]
Apple’s live developer notes contained approximately seven topic areas and eight listed items when reviewed on July 29, 2026; those counts may change.[3]
Source ledger
References
Sources are linked to the claims they support. Publication and access dates are shown when available.
- watchOS 26.4 (23T240)
Apple Developer · 2026-07-29 · Release title and build
- About the Security Content of watchOS 26.4
Apple Support · 2026-07-29
Documented & observed
Changes in this version
Source-linked features, fixes, known issues, removals, and community-observed behavior recorded across this version’s appearances and verified builds.
Release changes
Changed in this release
Features, fixes, removals, and regressions first observed in this release record.
bugFix · fixed
StoreKit and SwiftUI user-activity fixes
documentedconfirmed
StoreKit transaction behavior and SwiftUI user-activity handling received reliability fixes.
Recorded at Public
- [1] watchOS 26.4 Release Notes · StoreKit and SwiftUI
bugFix · fixed
Workout Buddy response-delay fix
documentedconfirmed
The update fixed a delay that could affect Workout Buddy feedback during a workout.
Recorded at Public
- [1] watchOS 26.4 Release Notes · Workout Buddy
security · fixed
PAC proxy traffic isolation fix
documentedconfirmed
A proxy auto-configuration issue that could route traffic outside the intended path was fixed.
Recorded at Public
- [1] watchOS 26.4 Release Notes · Networking
enhancement · changed
AirPods Max 2 and new emoji support
documentedconfirmed
The update added AirPods Max 2 support and eight new emoji.
Recorded at Public
- [1] About watchOS 26 Updates · watchOS 26.4
enhancement · changed
Start workouts from the workout icon
documentedconfirmed
watchOS 26.4 added a shortcut for starting a workout by tapping its icon.
Recorded at Public
- [1] About watchOS 26 Updates · watchOS 26.4 — Workout
Milestones
Release history
Every recorded channel appearance in chronological order. Open an appearance for any available build, scope, notes, and sources.
Developer beta
Beta 1
Source-linked recordSources linked- Availability
- available
- Sources
- 1 linked
- +7 days
Developer beta
Beta 2
Source-linked recordSources linked- Availability
- available
- Sources
- 1 linked
- +7 days
Developer beta
Beta 3
Source-linked recordSources linked- Availability
- available
- Sources
- 1 linked
- +3 days
Developer beta
Beta 3 v2
Source-linked recordSources linked- Availability
- available
- Sources
- 1 linked
- +4 days
Developer beta
Beta 4
Source-linked recordSources linked- Availability
- available
- Sources
- 1 linked
- +9 days
Release candidate
RC
Source-linked recordSources linked- Availability
- available
- Sources
- 1 linked
- +6 days
Public release
Public
Source-linked recordEditorially verifiedThe public watchOS 26.4 release added accessory and workout conveniences while fixing Workout Buddy, health, networking, StoreKit, and SwiftUI behavior.
- Build
23T240- Availability
- available
- Sources
- 8 linked
Historical context
Cycle comparison
Pace, intervals, and duration compared with earlier releases on the same platform.
Historical avg for .4 releases
62 days, 5.5 milestones
Based on 2 previous watchOS .4 releases
Cycle vs. platform average
36d (avg: 58d)
22 days shorter than the watchOS average
Duration ranking
#40 of 49
Middle of the pack watchOS beta cycles
Longest gap in this cycle
9 days
Between Beta 4 and RC
Previous .4 releases (watchOS)
| Version | Year | Cycle | Milestones | Avg. Interval |
|---|---|---|---|---|
| watchOS 8.4 | 2022 | 40d | 4 | 13d |
| watchOS 7.4 | 2021 | 84d | 7 | 14d |
Scroll horizontally to compare every historical field.