Please see my new blog post here: http://thomas-dalton.com/blog/2012/09/22/success-and-its-curse/
TL;DR: Wikimedia UK has had many successes throughout the last four years, but it has moved too fast and this has caused problems. We need to stop and think. To give ourselves time to do that, we need to rewrite the 2013 Activity Plan so we’re not doing too much.