Canon is known to do this alot. I think the magic lantern software illustrated this quite well when they started unlocking raw capabilities in cameras as old as

Canon is known to do this alot. I think the magic lantern software illustrated this quite well when they started unlocking raw capabilities in cameras as old as the 50d, a ten yr old body. Upgrading your camera becomes a frustrating ordeal. Never knowing if you're getting a good deal or you're getting conned.