Agreed get the update and if anything goes wrong, like the software hangs and the drone is bricked, maybe you can send it in and get another newer one.
If you are just the normal Drone pilot I would update the firmware You can get a module I suppose BUT If you are not using any "Hacks" then why spend the money, Just upgrade.
My Mavic 2's have old firmware (perhaps 2020 year). I do some Part 107 work but also recreational. Getting back into it after some health setbacks.
It seems obvious to me to update firmware for RID inside the Mavic 2 -- but is there any...