What's new in 6.0beta2 (2012-Apr-19 16:33): 

*) "/ip address set" and "/ipv6 address set" commands did not work properly; (2012-apr-16 14:26):
*) fix eoipv6 tunnels, tunnel-ids in packets were shuffled;
*) fix dynamic simple queues;
*) fix /ipv6 firewall connection-state matcher, was crashing router;
*) fix traffic generator, was crashing router when generating traffic on bonding interface;
*) fix wds interfaces;
*) downgrading to v5 was losing wireless interface configuration;
*) fix queue byte and rate statistics;
*) fix ethernet port order on all boards;
*) added support for usb forwarding over tcp;