Debian 6.0 Sqeeze RC1 is released, this release candidate includes a new SpaceFun artwork, adds support for the Lao and Sinhala languages, support for new computer systems, fixes for Finnish keyboard support, and  the Linux kernel used by the installer has been updated to the latest version of 2.6.32.
Some other major improvements include the automatic installation of recommended packages, btrfs and ext4 file system support , and easier usage of partitions for software RAID, LVM and crypto setups.