Available now in the Mac App Store.

• Fast full-text searching of the content in text, HTML, and PDF bookmarks. Also available within Spotlight searches.
• Support PDF and image formats directly - regenerate with CMD+R
• Tag selection can be switched between AND/OR boolean searches. (Select multiple tags to show control)
• Search by number of tags in Smart Bundles

Fixed

• Inablility to update bookmarks when saving to delicious.com
• TAB focusing across source list and bookmark pane
• Improve edit sheet auto-sizing behavior
• Better detection of website preferred width
• Screenshot generation hanging instead of timing out
• Tag entry field not resizing correctly