As Matt teased earlier, the first release candidate (RC1) for WordPress 3.0 is now available. What’s an RC? An RC comes after beta and before the final launch. It means we think we’ve got everything done: all features finished, all bugs squashed, and all potential issues addressed. But, then, with over 20 million people using WordPress with a wide variety of configurations and hosting setups, it’s entirely possible that we’ve missed something. So! For the brave of heart, please download the RC and test it out (but not on your live site unless you’re extra adventurous). Some things to know: