This release adds no new features. It fixes a security flaw that could allow remote visitors to view sensitive files on your webserver. All releases of Gallery 2, from Alpha 1 onwards are vulnerable to this issue and we strongly recommend that you upgrade to version 2.0.1 as soon as possible.
For more information and upgrade instructions please refer to the Gallery website:
http://gallery.menalto.com/gallery_2.0.1_released