bitshares can be called a finished product in the fact that business are being made in the live blockchain as we speak, they had been done since a few years and they will keep going and growing in number, at least that is what we expect.
it is constantly being improved in all aspects too, development will never stop, there is always areas to improve. we do that every day but being extremely careful in the business that are already using bitshares so they don't get affected in negative ways by the improves.