What's new in 5.11 (2011-Dec-12 11:05):

*) hotspot - fixed https login (broken in v5.9);
*) eoip: swap tunnel id bytes to be compatible with previous versions;
*) eoip,gre: fix setting config

What's new in 5.10 (2011-Dec-09 11:49):

*) snmp - provide extended interface statistics when availabe;
*) dhcpv6 client - use link-scoped multicast address;
*) dhcp client - renew dhcp lease on ethernet link up event;
*) ipv6 gre tunnel added (/interface gre6) supports ip and ipv6 encapsulation;
*) ip gre tunnel supports ipv6 encapsulation;
*) allow setting bigger trafflow cache;
*) improved RB1200 stability when using ether9,ether10;
*) fixed RB1200 stability issues when using crypto hardware acceleration;

What's new in 5.9 (2011-Nov-29 14:32):

*) ssh - fix mempry leak when client uses public key authentication;
*) ppp - added support for new RADIUS attribute MT-Delegated-IPv6-Pool (#22);
*) ntp client - faster initial synchronization;
*) ppp - added support for dhcpv6 pd;
*) wireless - nv2 improvements for 11n cards;
*) hotspot - fixed login page to better handle big load;
*) wireless - change default rate-selection to advanced;
*) snmp - fix simple queue table;
*) webfig - fixed problem were users wihtout sensitive permission could download
senstive files (like backups);
*) webfig - fixed problem were table filters did not work allways as expected;
*) metarouter - fixed problem where local routeros instances did not boot;
*) dhcpv6 - client and server moved to respective /ipv6 dhcp- entry;
*) dhcpv6 server - changed how bindings are defined, users should add
missing static binding information after upgrade;
*) sms - send sms now uses channel from config if it's not specified in the command;