The K2 Lite theme has two new layout options (left-sidebar and full-width), and three new widget areas in the footer.
The entire header area in the Fjords theme is now a link that points to your homepage.
The Bouquet theme now has a Tiger Lily orange color scheme.
The MistyLook theme now gives you the option to turn the feed links in the header on or off.
The Coraline theme now has a one-column layout option.
The Modularity Lite theme now has a light color scheme.
The Coraline theme is now available in blue, brown, pink, purple, and red!