I really hope so. I would be mad disappointed if they didnt loaded the content cannon after all this hassle and waiting
While I do think it isn't particularly far fetched just speculating that there will be heat and wear simulations due to the simple fact that they mentions things would heaten up is just reading way too deep into it.
Let's uselessly analyse a bit: my prediction is 20:17 because the link tdev sent says 2017 on the thumbnail for the year where this thing was