I know you don't mean your post in a bad way however, "big" and "small" updates are a subjective view. An update is an update. It is the same that you can't compare the number of renders from Dev A with Dev B, because Devs use different rigs and afford to make their renders.
A dev can release +1,000 renders, but most of them will be closeups with little details for the environment. More details means more time in search, photoshoping, setting up, trying different variations, post work etc...
Hopefully you will start to see updates as a progress and not as "big" or "small" thing.