Top Keywords not showing in Communities?

Not sure if this is a bug or something that has been intentionally turned off in light of all the recent network changes, but sometime in the past two weeks the 'Top Keywords' feature in communities stopped showing any keywords at all. Searches do return keyword results from inside a community, but the keywords no longer appear on the community home page and clicking on a 'Top Keywords' link simply takes you to a empty page.

Examples:

http://www.smugmug.com/community/DailyPhotos/keyword/

http://www.smugmug.com/community/DigitalGrin