The one year period was just a made up interval. It might very well be that the next SSU, which should come out it less than a month includes some of these improvements. As for Maemo 6, it's a radical departure from Maemo 5 - there is no guarantee that the rewritten version of the M6 camera app will be any more feature complete than the current one.
Another point - inspired by the results of Moon photos, I took a glimpse at the insides of camera-related stuff. Guys, there are really cool things down there. And for some of that, you don't have to go that deep - take a look at /etc/gdigicam/gdigicam-camerabin.conf - does that wet your hacker lips or what ? And if you're really hardcore (gdigicam/camerabin level of hardcore), I won't say you can obtain DSLR level control of things, but WAY more is possible than what the 'stock' camera app exposes. Stay tuned.