The detail page for the first feature they mention, limiting line-width [1], makes me think: Wow, it sure takes a lot of analysis and discussion to make what is a pretty straightforward and simple change. (Recall, too, this has been in the works for at least a year? And still isn't deployed to English wikipedia?) Which makes me realize there's sort of an ironic situation. When a site is beginning and small, you don't…
Many times clients, (especially paying business clients) care more that "things that worked yesterday should continue to work today" than about the enhancements, or even "breaking fixes", that you want to deliver for your product.