6.0rc14 changelog:

*) route - make connected routes inactive when interface has no link;
*) ipsec - changing or removing unused peer or proposal config won't flush active SAs;
*) console - add 'without-paging' to more 'print' commands;
*) route - automatically repair FIB inconsistencies;
*) ipsec mode-cfg - unity split include support;
*) ipsec policy - template matching for policy generation;
*) metarouter: fixed occasional lockups on mipsbe boards;
*) fixed crash when bridge filter rule had action=return for rule in builtin chain;
*) traffic-flow - fixed deadlock and crash on multicore;
*) fixed memory leak on CCR with PPPoE interfaces;
*) improved PPPoE interface encapsulation performance;
*) fixed queues - total amount of traffic passing through queues sometimes was about 1Gbit;

5.25 changelog:

*) web proxy - speed up startup;
*) metarouter - fixed occasional lockups on mipsbe boards;
*) wireless - update required when using small width channel RB2011 RB9xx caveat: update remote end/s before updating AP as both side are required to use new/same version for a link

6.0rc13 changelog:

*) pppoe, l2tp, pptp server - increased lcp retransmit count to 10;
*) pptp, l2tp & pppoe clients - added ability to specify keepalive timeout;
*) graphing - fixed problem were interface graphs are lost on reboot;
*) dhcpv6 - added relay;
*) sstp server - restore (disabled in rc12) test mode which allows running server without certificate;
*) lcd - added option for turning backlight on/off;
*) bgp - fix med comparison check if routes are received from iBGP peer;
*) fixed simple queues - sometimes some simple queues did not limit traffic (bug introduced in 6.0rc12);
*) allow to change arp timeout (in /ip settings);
*) added /ip neighbor discovery settings setting "default-for-dynamic" to control discovery on new dynamic interfaces (off by default);

6.0rc12 changelog:

*) ospf - add use-dn option;
*) ospf - fix route-tag handling;
*) fixed layer7 matcher - it is case insensitive now;
*) remote logging - added iso8601 time format support;
*) bgp - change MED propagation logic, now discarded when sending route with non-empty AS_PATH to an external peer;
*) fixed occasional nand corruption on CCR;
*) ipsec - added ipv4 mode-cfg support for responder;
*) ipsec - fixed some issues with removal of dynamic policies;
*) email - renamed parameter tls to start-tls for send command;
*) wireless - update required when using small width channel RB2011 RB9xx caveat: update remote end/s before updating AP as both side are required to use new/same version for a link
*) ipsec - generate-policy now can have port-strict value which will use port from peer's proposal when generating policy or port-override which will always generate policy for any port;
*) ipsec - responder side now uses initiator exchange type for peer config selection;
*) lcd - changed All interface stat screen (bar graphs) to show total bandwidth usage, combine rx/tx together;
*) lcd - removed "all-interface-mode" option;
*) lcd - changed "Interfaces" screen to show interface usage similiar to All interface stat screen;
*) lcd - improved Interfaces -> * -> Info screen, added more wireless information;
*) lcd - added Registration Table screen for wireless interfaces under Interfaces -> 'wireless interface' -> Registration Table;
*) fixed occasional kernel crashes on CCR;
*) fixed other than only-hardware-queue interface queues on CCR;
*) lte - devices with vendor/product id pair 0x0f3d/0x68AA now uses directip inferface;
*) dhcp client v4 - option add-default-route now supports special-classless value;
*) significantly increased simple queue performance on multi core systems (up to 9x on CCR1036 with at least 32 top level simple queues)
*) ip arp - new property published;
*) web proxy - added new option max-cache-object-size, upper limit of max-client-connections and max-server-connections is now calculated from system RAM;
*) ospf - fixed inconsistency in external ECMP route calculation;
*) certificates - CA keys are no more cached, every CA operations now requires a valid CA passphrase. use set-ca-passphrase for scep server to cache CA key in encrypted form;
*) ppp - made MPPE encryption work on tilera (bug introduced in 6.0rc10);
*) tool fetch - https support with optional certificate verification;
*) sstp server - removed test mode which allowed running server without certificate;
*) trafficgen - add support for ipv6 header;
*) wireless - added support for small channels on SXT lite;

6.0rc11 changelog:

*) ppp - made MPPE encryption work on tilera (bug introduced in 6.0rc10);
*) sstp server - added option to force AES encryption;
*) fixed router crash on heavy traffic with sierra lte modem on boards with 32MB RAM;

5.24 changelog:

*) l2tp - fixed problem with reconnects when it added multiple ip addresses;
*) wireless - fixed AES encryption speed issues (upgrade suggested);
*) lcd - changed gamma, which gives greater contrast
*) fix reboot when running on third party hypervisors;
*) ppp client - fixed possible loss of configuration after reboot for some modems;
*) fixed wifi led order on "SXT Lite5";

6.0rc9 changelog:

*) ospf - fixed Summary-LSA prefix length check for OSPFv3, was not accepting valid LSAs;
*) certificates - fix broken certificate handling (bug introduced in rc8) in all related programs;
*) fixed - bgp tcp-md5-key crash on CCR;
*) fixed interfaces list sometimes showing up empty;
*) fixed - ip addrs could be inactive for some types of interfaces which are added as bridge ports and disabled;

6.0rc7 changelog:

*) dhcp relay - possibility to add relay agent information option;
*) lcd - options current-interface, time-interval and all-interface-mode no longer get reset after reboot;
*) fix reboot in virtualized enviroment;
*) lcd - improve slideshow screen;
*) console - file print now shows file size as small number with suffix;
*) dhcp v4 - fix problem when sometimes client or server failed to send packets most likely it happened on vlan interfaces;
*) ipv6 - added setting to disable forwarding;
*) added "/ip neighbor discovery settings" menu with "default=yes/no" setting;

5.23 changelog:

*) lcd - changed gamma, which gives greater contrast
*) fix reboot when running on third party hypervisors;
*) ppp client - fixed possible loss of configuration after reboot for some modems;
*) fixed wifi led order on "SXT Lite5";

6.0rc4 changelog:

*) dhcp server - added two radius string options (24, 25) for use in custom dhcp options;
*) fixed problem - ppp dial-on-demand did not work, it allways dialed in;
*) fixed problem - password was not saved when adding new user;
*) added feature - show last-logged-in in users list;
*) snmp - fix interface table;
*) dhcp ipv6 - added comment fields;
*) dhcp client ipv6 - add/remove default route or ntp server without renew when settings change;
*) ppp clients - set up dns dynamic-servers instead of static ones;
*) fixed problem - Connect button did not work in wireless scanner;
*) dhcp server - added radius framed route support;
*) fixed problem - MetaROUTERs did not work on PowerPC boards (RB800, RB1000, RB1100);
*) fixed problem - check-for-updates stopped working if it didn't find new updates previously;
*) dhcp ipv6 - added dns option support;
*) gre - support all protocol encapsulation, not just ip and ipv6;

5.22 changelog:

*) userman - fix PayPal "bad HTTP response";
*) kvm - fixed possible ROS guest incomplete package installation;
*) l2tp server - added keepalive-timeout setting;
*) wireless - fixed RADIUS mac-caching;
*) wireless - fixed rare nv2 link stall;
*) metarouter - fixed system occasional lockup for 12s on RB4xx and RB7xx;
*) metarouter - fixed crash when FPU exception was raised in one of powerpc metarouters;
*) quickset - added HomeAP mode;
*) fixed "export compact" in "ip proxy";

6.0rc3 changelog:

*) fixed problem - MetaROUTERs did not work on RB2011s;
*) fixed problem - Realtek 1Gbit ethernet cards did not work;
*) added "/ip settings" menu with following settings: ip-forward, send-redirects, accept-source-route, accept-redirects, secure-redirects, rp-filter, tcp-syncookies;
*) fix some ipv6 firewall matchers;
*) improved performance for eoip,eoipv6,gre,gre6 tunnels, especially on multi core;
*) /queue tree entries with parent=global are performed separately from /queue simple and before /queue simple;
*) snmp - fixed missing OIDs;

6.0rc2 changelog:

*) added generic fast path support on certain interfaces (all ethernets on RB3xx, RB6xx, RB7xx, RB8xx, RB9xx, RB1000, RB11xx, RB2011);
*) added ipv4 fast path, it doubles ipv4 forwarding performance on supported interfaces when no firewall, conntrack, queues.
*) added traffic generator fast path;
*) addedbridge fast path; More info on fast path: http://wiki.mikrotik.com/wiki/Manual:Fast_Path

5.21 changelog:

*) route - fix dst-prefix filtering did not return routes when routes with different routing-mark were present;
*) wireless - improved nv2 stability;
*) winbox & webfig - added simple new version downloading & upgrading panel;
*) dhcp server - immediately store to disk changes for lease configuration;
*) lcd - improve graphs screen
*) lcd - improve touch screen (must /lcd reset-calibration)
*) smb - fix smb share mounting on linux systems
*) ovpn - fixed memory leak on disconnects;
*) userman - fix unpaid profile activation while authenticating;
*) sstp - fix high CPU usage on SSL handshake;
*) winbox - added ability to add time & date to dashboard;
*) metarouter - fixed lockups on RB110AH;
*) metarouter - fixed occasional lockups on RB450G;
*) ups - fixed problem connecting to USB device, introduced in 5.20;
*) quickset - added Wireless PTP Bridge mode;
*) fix MPLS MTU configuration usage;
*) dns - fix empty response;

6.0rc1 changelog:

*) i386 - increased number of supported cores to 64;
*) userman - fix unpaid profile activation while authenticating;
*) dhcp client - custom options;
*) dhcp options - allow mixing different data types;
*) console - "export compact" now is the default, use "export verbose" to get previous behaviour;
*) ntp - make it work again;
*) tftpd - if real-file is a existing directory then prefix request with it;
*) RB333 ethernets are back;
*) dns - rotate servers only on failure;
*) fix M3P (/ip packing);