That's crazy they canceled yours. My configuration is still active and I have spoke to them about just holding off until after the shutdown to take delivery. They had no issues with me waiting.
So I currently have an R1T on order and really love everything about Rivian and it is one of the reasons I have also invested a lot in them for the long haul. For me, I would love to simply be able to drive my R1T someday without having to make my destination choice based on the chargers...