TechEd last week so this covers last weeks news :)

LightSpeed
- Add attributes to scope validation traversal
- Allow NoActionNoCheck to be applied to ToMany associations generally
Web Workbench
- Fix for intellisense getting lost on the line immediately following a comment
- Added recoverability to syntax highlighting parser
WPF Elements
- Misc fixes for DataGrid control
- Chart control now supports IBindingList as an ItemsSource
Metro Elements
- Added NumericUpDown control
- Misc fixes for existing controls
As usual the free editions of the nightly builds are available right now from the downloads page, and the full editions from the store.