I had actually made an appt yesterday to request a firmware update before I even knew that 2018.20 existed. Was getting tired of the MCU rebooting and also had issues with the backup camera that I was hoping an update would fix. They sent me home telling me they'd push the update remotely and it was ready to install by the time I got home. Like Bruce said this is probably service center specific but if you're having reboot issues it's worth a call to see if they can push it.
Only have one drive under the new firmware so will take a week or so to see if the reboot issue has been resolved as I've been averaging 1-2 reboots a week under my previous 2018.12 firmware.
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