Please be helpful rather than clever. You have to scroll through a bunch of posts before you get the info you need, even with those links. Here's the info:
" After the update to 2018.12 there will be a large download, over WiFi, your MCU will reboot and display the release notes again, but this time they include information about the new, beta, navigation system.".
Apparently this update can take many days before it occurs. I just got the 2018.12 update this morning, so I am now waiting...