Fitbit has brought new features to the Charge 4 and Inspire 2. The features will arrive in new software updates, which Fitbit has already released for the Charge 4. Fitbit states that the Inspire 2 will start receiving its latest software update from next week.
https://www.notebookcheck.net/The-Fitbit-Charge-4-and-Fitbit-Inspire-2-receive-new-features-in-their-latest-software-updates.528867.0.html