The following features are now available for domains with 'enable pre-release features' checkbox enabled in the Administrator Control Panel:

The “Hide read labels” and “Hide Labels from Subjects” labs to help people manage their ever-growing lists of labels have graduated from Gmail Labs.
Some improvements to how they work have also been made. Instead of simply hiding all labels from subject lines, you can now choose which labels to show or hide. We also revamped the Labels tab in Settings as well as the dropdown menus for each label in the label list.

Editions included:
Google Apps, Google Apps for Business, Government and Education

Languages included:
All languages supported by Gmail

How to access what's new:
- Modify label visibility in the Labels tab in ‘Settings’ or by clicking on the dropdown arrow menu on each label.

For more information:
http://gmailblog.blogspot.com/2011/02/dealing-with-label-overload.html

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