# Apple disabled Blood Oxygen on US Apple Watch to comply with a Masimo ITC exclusion order revision history

Append-only Arc G field-change log. Forward-only honesty: events accrue from Arc G adoption.

Incident: [Apple disabled Blood Oxygen on US Apple Watch to comply with a Masimo ITC exclusion order](/incidents/apple-watch-spo2-itc-import-ban-2024.md)

## Recorded posture

- First recorded event: 2026-06-04
- Last material change: 2026-06-04
- Material event count: 1
- Editorial event count: 0

## Material events (1)

- **2026-06-04**: created (source: baseline:arc-g)

## Forward-only note

Arc G is forward-only. The event log accrues from the Arc G adoption point. Fields with no events post-baseline equal the current cached value and are not independently verified at any prior date.

_Canonical URL: /incidents/apple-watch-spo2-itc-import-ban-2024/history. REST: /v1/incidents/0e168005-0846-438c-8c29-c3217a72dce0/history. HTML: [/incidents/apple-watch-spo2-itc-import-ban-2024/history](/incidents/apple-watch-spo2-itc-import-ban-2024/history)._