Related to #18, in a sense.
When collaborating with others, I often find I'm interested in looking at all the comments that have been added since I last checked. Today, that requires that I go through every annotation point, open up the comments, and see if there's anything new. As the number of annotation points grow, this becomes more and more burdensome to poll.
It'd be really helpful if there were a time-series feed of changes somewhere, where I could see when comments were added, and easily get back to the context of the conversation they apply to.
Another thing that would help with the "re-review" workflow is if new comments or other changes triggered notification of some sort, but that is more-or-less blocked on sandstorm-io/sandstorm#1889.