ThemeBuilder - a powerful tool that gives you the ability to customize the appearance of the Kendo UI Widgets, build your own themes, etc. and see an instant preview of the applied styles directly in real time
Validation - easy-to-configure validation extension optimized for usability and speed. In addition, an endpoint for other popular third-party validation frameworks (like jQuery.validate) is exposed for those who prefer to use them
Globalization - integral globalization mechanism fine-tuned for best performance. Yet, an external plug for popular third-party globalization libraries (like Globalize, also known as jQuery.globalization in the past) is present
Enhanced mobile support - additional features/improvements for the UI widgets targeting mobile devices
DataSource
What’s New
Added: Support for nested filter expressions
Improved: Filtering performance
New UI Widgets
NumericTextBox
Time Picker
UI Widgets Features and Updates
ComboBox
What’s Fixed
Fixed: Text isn't copied from the input tag when autoBind=false
Fixed: Broken combo filtering after focus is lost
Fixed: Selecting item by index and then filtering items using startswith breaks ComboBox
Date/Time Pickers
What’s Fixed
Fixed: Incorrect date focused in date picker on date range selection
Fixed: Not able to set Max date after value was null
Grid
What’s New
Added: Filtering feature
Added: InCell editing feature
Added: Support for hierarchy presentation
Added: Toolbar template
Added: Support for unsortable and unfilterable columns
Splitter
What’s New
Added: layoutChange event
What’s Fixed
Fixed: Panes resize incorrectly when they have sub-pixel pane sizes
Upload
What’s New
Added: removeField setting
Improved: Set autoUpload value to true
What’s Fixed
Fixed: Upload progress indicator does not reach 100% in FireFox 8
Window
What’s New
Added: Deactivate event
Kendo UI DataViz
Common
What’s New
Added: Export to SVG
Added: Labels Rotation Angle
What’s Fixed
Fixed: Series data is not cleaned up when data source returns empty view
Fixed: Transition animations don't work with jQuery UI on the page