A beta version of Atmel Studio 6 (previously called “AVR Studio”) appeared on the Atmel official website. Now the studio includes support for Atmel ARM and Atmel AVR, as well as about 1,000 projects that will help you in development. It is distributed, as well as previous versions, free of charge on the website of the company and various trackers.
The news is already 2-3 weeks, so for someone it is not news at all. I don’t advise active developers to switch from version 5 to version 6 until beta testing is completed.