Allow users to decide whether to render line feeds in panels or not. You may now select the render mode used by each panel.
Added support for the codegeist winning page state plugin.
Allow users to specify the electric value. The value for electric may now be specified as a number of milliseconds rather than just true/false - true still gives the default 300ms.
Allow builder-show/hide to switch based on children. Builder show/hide may now switch content based on whether the current page has any children or not.
OpenSearch now supported. Layouts can now automatically generate OpenSearch metadata and xml.
It is now possible to link directly to the view source action.
Blogging macros. create blog-list and blog-archive macros to better support users wishing to create blog type layouts in confluence.
The sidebar control code has been overhauled. This should avoid any jitter when restoring the state of the sidebar.
Background image urls are now rendered on the server and applied to the panel preview area (as well as the layout preview).
webui links not being retrieved correctly in 2.8 Update all calls to the web content manager so that they pass in both the 2.7 style context and the 2.8 one.
Fixed usage of jQuery in confluence 2.8 and upgraded to jQuery 1.2.3. Builder now respects the web content manager as used by 2.8.
Bug Fix 
New Feature 
Task 
Improvement