Rivian is finally getting a long-requested feature — and no, it’s not CarPlay

Rivian R1S owners, rejoice. Rivian has heard your pleas for second-row captain's chairs. For years, Rivian owners have lamented the absence of captain's chairs in the R1S, noting that the three-row SUV would be much improved with standalone seats instead of a bench in the second row. Parents groused that loading and unloading kids in the R1S could be a headache, especially with a child's seat in the second row. And some owners have even contemplated going so far as to rip out the second-row…