Some that aren’t mentioned above:
1) Metal roof with traditional sunroof/moonroof (and retractable shade).
2) #1 allows for a ceiling mounted, fold-down 16:9 screen for rear entertainment.
3) Use the VW partnership to license the Porsche Active Ride suspension.
4) Option for roll-down rear...
5/7 is the earliest we’ll get real info - we’re in the “quarterly earnings quiet period”.
https://en.wikipedia.org/wiki/Quiet_period?wprov=sfti1
Check out Proclipusa.com. They have an awesome (but not cheap) mounting system that I’ve used in multiple cars over the years. Rock-solid. They have a Rivian mount that you can mount anywhere in the mid-portion of the dash; you can then get a holder for an iPad, iPad mini, your phone, whatever...