Okay... let's look at the reveal timeline for MP Optimus Primal, to get an idea of when Dinobot might be released.

June 2015 - concept revealed at Tokyo Toy Show (just a solid Gorilla model to announce the plans for a toy)
December 2015 - first reveal of CGI models
February 2016 - first grey prototype images
March 2016 - first coloured prototype images
October 2016 - toy officially released

So it was 10 months between CGI model and the release of the Optimus Primal toy, and if that pattern is a guide, Dinobot will be released around April 2018... give or take 2 months. (but probably close to that month, because if they were any further along with the design process, they would have shown it at the Toy Show this weekend)
That also tells us that we should see the first prototype figure of Dinobot, some time in August.

It's amazing (to me) to think that it has been two years now since we were first wowed with an announcement of a Beast Wars Masterpiece toy, and despite the slow going (just two released in that time and only one redeco and one new mould announced), it probably hasn't felt that long to (BW) fans of these.