Apple releases watchOS 9.4 with fix for wake-up alarms

By Andrew Orr

Apple has officially released watchOS 9.4 to the public, bringing features like Cycle Tracking to more countries.

Apple releases watchOS 9.4

The company released the developer release candidate on March 21, and the official release is now out for everyone.

The new update includes the following:

AFib History

provides long-term visibility into the duration of a heart's AFib symptoms, also known as AFib burden, allowing users to discuss this information in-depth with their doctor.

How to install watchOS 9.4 on the Apple Watch

  1. Open the iOS Watch app.
  2. Choose General, then Software Update.
  3. Follow the on-screen instructions

If set to do so within the same app, the update will also be automatically downloaded and installed for the user while the Apple Watch charges overnight.

To start the update, the Apple Watch must be at least 50% charged, docked on a charger, and close to the iPhone.