For existing Dexcom users, 1.2.8 is a mandatory upgrade. For Libre 3 users, it is comparable but offers better third-party integration.

(for documentation)

If you have searched for , you are likely a power user, a tech-savvy diabetic, or a caregiver trying to understand a specific device version. You may have seen this string appear in your Bluetooth settings, on a clinic’s download report, or within a third-party app like xDrip+ or Nightscout.