Here is the latest update for the OpenSolaris 2010.05 release. Download should be available any day now. The page is gone but the Google cache is still available:

Original page:
http://cr.opensolaris.org/~gman/opensolaris-whats-new-2010-05/

Google Cache:
http://webcache.googleusercontent.com/search?q=cache:HeAHUr2lkrgJ:cr.opensolaris.org/~gman/opensolaris-whats-new-2010-05/+/opensolaris-whats-new-2010-05&hl=en&client=firefox-a&gl=us&strip=1

Enjoy reading.