The update is scheduled to be applied to the Connect Hosted Servers between mid-March and early April 2013.

One of the most relevant changes is that the issue related to Chrome Browsers not being able to use the Connect Meeting Add-in has been resolved *for the Windows platform only*.  In order to use the Connect Meeting Add-in with the Chrome Browser on the Mac platform, please consult the following Tech Note.

This update will also prompt you to install a new Meeting Add-in for Mac users

The Release Notes are here