I was silent for quite a while, sorry about that. But WCEU was awesome, and the whole associated travel from Ukraine to France (and preparation to it) took quite a lot of time and energy.
On the photo above you will find part of the BuddyPress development team (from left to right): Laurence, me - Slava, Boone, Mathieu and Henry. It was a great time! BTW, Pietro is the codename of BuddyPress 2.4 release.