Also, you'll see that the tab that used to say "PM" now says 'my messages', and a few other little things in the forum.
Most of the changes in the job board (the few changes there are) are for employers. One of the new options allowes for one company to have sub accounts. Most of the changes in all of the software are just bug fixes and sucurity patches. (Like the bug fix that allowed the spell checker to work again).