1. Unlimited levels of subcategories
You can now create as many levels of subcategories you want.
2. Speed Improvements
We have improved the load time of the dashboards. All our dashboard macros are now dynamically loaded with Ajax.
The toolbar menu is now performing better with Internet Explorer.
We have also made improvments to the UI to make it more lightweight.
3. Improved toolbar
We have redesigned and improved the behavior of the toolbar menu.
4. Space Directory
The Confluence 3.5 space directory is displaying the full category and subcategory hierarchy.
5. Ad hoc workflow improvements
A published ad hoc workflow page is now containing the left navigation column. RWOT-35
6. Space layout applies to blog posts
The space layout fields: header, page meta data, page top, page bottom and footer are now applied on blog posts. RWOT-37
7. Improved layout and functionality of the space-news macro
You can now decide if you want the space news to be collapsed or not. You find more information here.