DJI has released new firmware for the Mavic 3, its latest drone. An updated DJI Fly app accompanies the firmware release, now at version 1.5.4. Both updates are available now.
https://www.notebookcheck.net/DJI-Mavic-3-receives-promised-features-in-firmware-update-along-with-a-new-DJI-Fly-app.584543.0.html