Canon USA temporarily posted a tweet about a poll that Canon EOS R (B&H Photo/Amazon/Adorama) may have RAW recording at upcoming NAB Show 2019. This tweet has already deleted now, but you can still see the screenshot below:
Look what @mondobytes found! EOS R Raw!!!?!?!! pic.twitter.com/Y2iw3UGqpq
— Dave Maze (@DaveMaze_) March 29, 2019