This one's for you, developers: XDA user adub007 just posted a full Motorola XOOM system dump. What new and unprecedented goodies does it contain? That remains to be seen... feel free to download the 112MB (183MB when unpacked) file and start digging for yourself.
Open GApps can now optionally install Google Assistant
These are all the apps and services that will work with Google Home [Continuously Updated]
[Update: May enable Google Assistant on non-Pixels] Google App v6.13 "alpha" appears with support for Payments on Google Assistant, and prepares enhanced Offline Search, Lite Mode, Recent page, and much more [APK Teardown + Download]