Wordpress 2.1.1 has been released for public consumption and this new version contains 30 minor bugs fix. And also a recommended upgrade to those who is using Wordpress 2.1 series (although it’s up to your decision whether you want to upgrade your Wordpress 2.1 installation or not) ..
And to those who still using the 2.0.x series. Version 2.0.9 includes security update to the previous Wordpress version to prevent XSS based attack. So you should upgrade to the new version as soon as possible
Other than that the bbPress also released the 0.8.1 version of their wonderful forums software today and contain small security update as well