What's new in 5.0beta6 (2010-Aug-10 13:22):

*) sstp - fixed memory leak;
*) wireless - changed band setting and added channel-width setting
*) wireless - support for 11n rates in 5&10mhz channels
*) wireless nv2 - fixed multiple problems including occasional tx stall;
*) made gps accessible through SNMP;
*) snmp - added GETBULK support, no more table caching - solves problems
            with huge tables, routing tables currently are not available;
*) ssh - fixed public key authentication in case
        when client is not verifying if server will accept the key;
*) fixed problem - MetaROUTER did not work on RB800, RB1000 & RB1100;

*) user manager is not working - will be fixed in next version;
*) intel 82576 (uncommon expensive chip) crash/reboot to be fixed in next release

What's new in 5.0beta5 (2010-Jul-23 14:50):

*) email - supports multiple CCs
*) fix 5&10MHz channel support for 11n cards;
*) ssh - fix ssh client crash;
*) ssh - password authentication is disabled for users with public keys;
*) ping - fixed ping packet-loss calculation;

What's new in 5.0beta4 (2010-Jun-28 16:17):

*) console - /ping command again returns number of ping responses received,
    didn't work in 5.0beta3;
*) added ability to monitor each cpu core usage;
*) added support for SATA,SCSI & USB CD-ROMs in CD installer;
*) fixed problem - IRQ balancer did not use correct CPU core
   on non auto MSI irqs after reboot;
*) fixed memory leak;
*) route - new property 'vrf-interface' (for static and dhcp routes),
    automatically updates 'routing-mark' of the route to keep it in the same
    VRF as the specified interface;

What's new in 5.0beta3 (2010-Jun-17 13:46):

*) hotspot - drop hotspot specific tcp connections from non-hotspot clients
   already at firewall;
*) lcd - added support for AX89063
*) console - output of '/ping' and '/tool traceroute' commands is more
    in line with the rest of the console commands;
*) api - '/ping' and '/tool traceroute' commands are fully functional;
*) console - added 'server' and 'server-port' arguments to '/resolve' command;
*) lcd - show free/total memory in units of million bytes (MB);
*) lcd - added page that shows system identity;
*) sstp - made it work with Windows 7;
*) sstp server - client reconnects did not work;
*) winbox - implemented proper maximize support for inner windows;
*) fix 5&10MHz channel support for 11n cards;
*) added IRQ balancer;
*) enabled PCI MSI on i386 multicore setups;

What's new in 5.0beta2 (2010-Apr-30 11:24):

*) added wireless distance setting, removed ack-timeout;
*) improved 802.11 operation for outdoor distances;
*) fixed sstp on x86;
*) console - removed 'delay' argument from '/system scheduler add' command;
*) console - remove 'comment=""' values from export;
*) console - updated '/system script job':
    - also show active login sessions here;
    - new read-only property 'type' with values "command", "login"
        or "api-login" for running commands and either kind of login sessions;
    - new optional read-only property 'parent' with id of the job that
        has spawned this one;
*) console - changed "started" property of '/system script job' to use
    local time;
*) console - new property 'type' in '/system script job'
*) console - added '/port remote-access export' command;
*) console - fixed bug that caused "cannot set ..." error when using
    some properties in 'find' commands;
*) show old software id in export file header;
*) api - can supply password to '/system/upgrade/upgrade-package-source/add';
*) api - 'print' command was not showing values of some properties
    such as 'servers' in "/ip/dns";
*) api - fixed api login sessions not dissapearing from '/user active' after
    termination;
*) '/user active' now lists type of api connections as 'api';
*) added support for hardware watchdog on RB1000 & RB800;
*) added support for ASIX AX88xxx based USB Ethernet Adapters on RB4xx;
*) fixed problem - ipv6 traffic was not bridged if ipv6 package was not enabled;
*) fixed getting interface stats in dude;
*) fixed metarouter stability problem on RB400s & RB750s;
*) fixed metarouter - it didn't work on RB1000 with 2Gb;
*) fixed metarouter - it locked up on RB800;
*) fixed problem - SFQ queues did not work on interfaces (wireless) if none
   of simple or tree queues were added;
*) fixed RB800 temperature;
*) fixed problem - WinBox crashed while opening VAP interface;
*) dhcp server - fixed possible inactive dhcp server in case of many
   dhcp leases with address-pool enabled;
*) dhcp server - show non-printable option 82 agent-circuit-id and
   agent-remote-id values in hexadecimal notation
   (in the same way as client-id is shown);

What's new in 5.0beta1 (2010-Mar-31 09:17):

*) updated drivers and kernel (to linux-2.6.32.5);
*) ssh is now completely rewritten (supports connection forwarding, only DSA keys);
*) added support for SSTP protocol (PPP over TLS);
*) added support for multiple Intel Ethernet cards;
*) added support for IPv6 over PPP
   (enabled by default if ipv6 package is installed),
   link-local addresses are assigned, and server can issue IPv6 global prefixes
   to clients per ppp secret or RADIUS reply (Framed-IPv6-Prefix);
*) added proper support for MPLS over PPP (by default it is now disabled);
*) fixed RB800 temperature;
*) silentboot feature updated;
*) WinBox - any file dropped on WinBox will be uploaded to router;
*) multicast - fixed possible crash during PIM startup;
*) report platform name in "/sysrem resource";
*) fixed problem - vlans were not working on RB750 ether1;
*) fixed mac address handling on RB750, some specific arp requests did not work;
*) more than two dns servers allowed in /ip dns;
*) sniffer and torch could process packet from other interfaces;
*) ospf - fixed DR and BDR election;
*) ospf - changed "/routing ospf route" to show type 2 metric instead of
    internal metric for type 2 external routes;
*) added IPv6 support to trafflow (v9 only);
*) rewritten user-manager (formerly known as userman-test);
*) dns cache rotates order of records in reply messages

What's new in 4.6:

*) only accept dotted decimal notation for IP addresses. Use of numbers
    with leading zero, numbers larger than 255 and non-decimal numbers
    is not accepted (but still can omit third or second and third numbers,
    if they are zero);
*) email - user must enable tls explicitly
*) remove limit on number of multicast enabled interfaces, maximum was 32;
*) dhcp server - show last-seen time for leases;
*) fixed - when closing winbox terminal window with active serial-terminal
    console command, serial port sometimes was left in acquired state;

What's new in 4.5:

*) ipsec - added blowfish, twofish, and camellia encryption algorithms;
*) fixed static route removing;
*) fixed DHCP client compatibility with some DHCP servers;
*) added static multi-cast route support;
*) fixed temperature monitor on RB800 and RB450G;
*) user manager - payment bug fix - now able to buy 
   credits without extend price specified;

What's new in 4.4:

*) snmp - fixed snmp version three;
*) snmp - fixed vlan interface speed;
*) hotspot - fixed radius variables in hotspot html pages;
*) removed support for xen;
*) routing - added support for BFD protocol;
*) fixed problem - MetaROUTER sometimes froze on RB4xx;
*) fixed OSPFv3 on bridge interfaces;

What's new in 4.3:

*) kvm - vnc support, booting from cdrom image
*) API - fixed possible crash when running concurrent commands;
*) console - fixed logging commands: 'warning', 'error' and 'debug' were
    all using 'info' topic;
*) bgp - added routing-table configuration option for instances;
*) bgp - added 'as-override' and 'passive' configuration options for peers;
*) bgp - added support for Site of Origin extended communities;
*) bgp - fixed some network issues;
*) ospf - fixed problem: when last neighbor on multi-access interface disappeared,
   incorrect RouterLSA was generated on designated router;
*) metarouter - allow to specify metarouter's memory size when importing image;
*) firewall - added 'routing-table' matcher;
*) fixed problem - e1000 driver did not work in virtual machines;

What's new in 4.2:

*) fixed problem - RB450G ethernet did not work if one of the ports was disabled;
*) fixed ethernet of RB433 with switch chip IP175D;
*) fixed route attribute problem;
*) fixed route next-hops falling under multiple connected routes;

What's new in 4.1:

*) fixed problem - RB750 (clocked at 300MHz) Ethernet did not work;
*) fixed problem - routes on some interfaces (like VLAN) were not activated;
*) ppp, gps, sms, serial terminal - allow use of different channels
    on same port across multiple programs simultaneous
*) dhcp server - added support for dynamic address-list entries;
*) hotspot - added support for dynamic address-list entries;
*) hotspot - fixed redirect after login in case if client gets new IP address
   (problem introduced in 3.28);

What's new in 4.0:

*) IT87XX hardware monitoring sensor support;
*) kvm allows to choose emulated nic model;
*) hotspot - fixed redirect after login in case if client gets new IP address
   (problem introduced in 3.28);
*) hotspot - fixed redirect after login in case if client gets new IP address;
*) console - commands like 'monitor', 'torch' and others that periodically
    refresh information sometimes failed to work when started from
    the scheduler;
*) console - scheduled scripts no longer require 'test' policy to run;
*) console - fix issues with scripts that contain lines with trailing spaces;
*) console - add back compatibility with old scripts that use space instead
    of '=' to separate argument name and value;
*) console - following fixes:
    - accept item numbers when prompted by command to specify item;
    - argument names without '=' were matched even when expecting unnamed
        value; this broke code such as:
           :foreach i in=1,2,3 do {}
       here 'i' was matched as argument name "in";
    - 'tab' key did not automatically append '=' after complete argument
        names;    

What's new in 4.0rc1:

*) console - removed support for Lua (will be reintroduced later);
*) incorporated all the bug fixes since v3.30;
*) port remote-access - added 'log-file' property. If value is a non-empty
    string, then all data that is read from the port is appended to a file
    with that name, regardless of the active remote connection;
*) console - removed '/user' from the output of top level '/export' command,
    still can be exported by '/user export';

What's new in 4.0beta4:

*) routing - changed BGP network and default-originate behavior;
*) web proxy - allow to edit error page;
*) console - terminal window size change now does not trigger full terminal
   reset;
*) mesh protocol - improved loop prevention (becomes incompatible with earlier versions);

*) incorporated all the bug fixes since v3.27;

What's new in 4.0beta3:

*) added support for 802.11n atheros based wireless cards;
*) added ability to run other OSs in MetaROUTERs;
*) console: Lua scripting language. http://wiki.mikrotik.com/wiki/Lua
*) console: added nstreme-dual OIDs;
*) incorporated all the bug fixes since v3.23;

What's new in 4.0beta2:

*) console: added 'without-paging' argument to 'monitor' commands;
*) console: now 'without-paging' and 'interval' arguments in of 'print'
    commands work together. Printing can be stopped by pressing 'q' or
    ctrl-c, any other key triggers printing;
*) incorporated all the bug fixes since v3.22;
*) fixed TFTP server logging;
*) fixed problem - "/system upgrade" did not show proper package
   architecture and was unable to fetch new packages;

What's new in 4.0beta1:

*) added support for MetaROUTERs;
*) all test packages are regular ones;
*) console - can mix named and unnamed arguments, can use names for unnamed
     argument values. For example all of the following commands are
     accepted now:
       /ping 10.11.12.13 count=4
       /ping address=10.11.12.13 count=4
       /ping count=4 10.11.12.13