I have written a couple of articles in relation to subtext. I have also created several themes and submitted a patch. Subtext hasn’t changed much in the year that I have been using it. Current version is 1.9.5 and 2.0 is currently in the works.
If you’d like to see all posts regarding subtext then checkout my category link. Looking forward to another year of subtext and any enhancement, features it brings. Hopefully I’ll be able to get my hands dirty in the development again soon