Yes, he was the most active developer over the last few years, although it wasn't a huge amount of activity. And that activity had dropped off this year as Ian shifted his focus to Tempest, a mostly-from-scratch rewrite. https://github.com/zenhack/tempest

For my part I stopped pushing monthly Sandstorm updates this year as there hasn't really been anything to push. Unfortunately Sandstorm's biggest dependencies can't even be updated anymore because of breaking changes that would take significant effort to work around.

I agree a blog post is probably in order.