Today the first update of the stable release of Debian, codenamed "Squeeze", was released.
Updated 68 packages, including linux-2.6, samba, xorg-server, sun-java6 and others. Made 27 security fixes that affected such packages as postgresql-8.4, phpmyadmin, proftpd-dfsg, isc-dhcp. Updated Debian installer, added ability to install on some new hardware.
Full list of changes can be read
here.