The final version of AVR32 Studio 2.0 is now downloadable from www.atmel.com/avr32. Those who are running release candidates can use the update mechanism to upgrade to the final version.
Make sure to also install the latest AVR32 GNU Toolchain. For Windows, the version of the installer is 2.0.3.
Linux versions are now available. Support for additional distributions of AVR32 GNU Toolchain will follow next week.