The biggest news of the week without a doubt is the release of WordPress 3.1. Coupled with that BuddyPress saw an update to 1.2.8. We’d strongly recommend you upgrade your installations right now to both of those.
Want to celebrate in style? WPMU.org had a colourful infographic to go with the release of 3.1.
Fancy discovering more about the music behind WordPress? 3.1 is code named Reinhardt after Django Reinhardt and WPMU.org provides the music with Daily Tip: Jam Out with WordPress 3.1′s Namesake, Django Reinhardt.