Highlight features & improvements:
• Significant performance optimization.
• Now the default theme is responsive out of the box.
• Admin area user interface. Moved from outdated Telerik MVC Extensions to KendoUI.
• Search engine optimization. ID-less topic URL pages.
• Added an option to automatically give customers a role if they purchase a specific product (when order is paid). It can be used for paid membership.
• Allow a store owner to create custom customer attributes (similar to product and checkout ones).
To see the full list of fixes and changes please visit the release notes page (http://www.nopCommerce.com/releasenotes.aspx