No, that page is just info on behavior changes for people upgrading from KO 2.x.
We haven't published the official 3.0 announcement yet, but you can find an overview of what's new on my Release Candidate/Beta blog posts:
* http://blog.stevensanderson.com/2013/10/08/knockout-3-0-rele...
* http://blog.stevensanderson.com/2013/07/09/knockout-v2-3-0-r...