New version of AVR Software Framework (ASF)
Availability and installation of new ASF versions through extension manager, without having to upgrade Studio 5
Support for side by side versioning of ASF, with the ability to upgrade projects
Syntax highlighting and better debugging support for C++ projects
Support for importing AVR 32 Studio C++ projects
New version of AVR Toolchain
New command line utility (atprogram) with support for all Microchip AVR tools and devices
Enhancements to programming dialog including support for ELF programming
New version of Visual Assist with several enhancements and bugfixes