Yes, but even Canon is putting most (or all) of it's R&D into mirrorless (bodies and lenses for the new full-frame, mirrorless RF mount system). I expect they'

Yes, but even Canon is putting most (or all) of it's R&D into mirrorless (bodies and lenses for the new full-frame, mirrorless RF mount system). I expect they'll slowly stop releasing new DSLRs over the coming years. And FWIW, a good friend of mine is a pro photographer and said he'll likely not buy any new DSLR bodies. But, he's still a few years away from needing a new body. Not to mention has north of $30k in glass, so would still run an RF with adapter for quite some time.