Wow, we can't even keep up with all of the new releases of DotNetNuke lately... Download DNN 4.3.4
Digging a little deeper I see the reason for this quick build is due to a couple of security issues, one being a "Critical Issue".
I also found a page on DotNetNuke that I have not seen before:
http://dotnetnuke.com/SecurityPolicy/tabid/940/Default.aspx
At the bottom are a couple of documents:
Can't we go back to complaining about when the next release will be? Just kidding. It is good to see that the core team is proactive about keeping DNN patched and up-to-date. As a community, we need to do the same and update our systems as quickly as possible to keep DNN from getting a bad name.