You can choose to start using the new More Service Portal that is launched in 9.0.
In the first version, it will not contain all the features from the old More Service Portal. Over time features from the old portal will be implemented in the new Portal, and the old one will be removed.
A new user interface is introduced for "Expand log" in 9.0. You can click the case log entries and display them to the right. You can also answer emails from this view.
Feature to enable cases to be locked
New property can be set when creating a status.
When this property is activated, cases with that status will be locked.
Enable locking cases after a given number of days
Enable locking cases after a given number of days
Contact Technet to enable this feature
Form administration in Agent Portal
The administration of forms is now moved to the Agent Portal.
New notification settings admin page
Customers can activate / deactivate notifications.
There are 5 supported notifications for case now
All case types are supported, some have less options (Problem and Change)
New email template for notifications
New email template for notifications, can be found under Settings → Email setup → Email templates
New Apps admin settings page
New Apps admin settings page is introduces
Improvement
Agent Portal → Free text search
Searching in case worklogs and emails is now supported.
Bugfix
Change and Problem logs priority changes now
Updates to "Priority" in "Change" and "Problem" is now recorded in the caselog.