6.44beta50 changelog:

Important note!!! Backup before upgrade!
Due to major IPsec configuration changes in RouterOS v6.44beta39+ (see changelog below), it is advised to make a backup before upgrading. Regular downgrade will still be possible as long as no changes in IPsec peer menu are done.

MAJOR CHANGES IN v6.44:
----------------------
!) cloud - added command "/system backup cloud" for backup storing on cloud (CLI only);
!) radius - initial implementation of RadSec (Radius communication over TLS);
!) upgrade - release channels renamed - "bugfix" to "long-term", "current" to "stable" and "release candidate" to "testing";
!) upgrade - "testing" release channel now can contain "beta" together with "release-candidate" versions;
!) speedtest - added "/tool speed-test" for ping latency, jitter, loss and TCP and UDP download, upload speed measurements (CLI only);
!) ipsec - added new "identity" menu with common peer distinguishers;
!) ipsec - removed "main-l2tp" exchange-mode, it is the same as "main" exchange-mode;
!) ipsec - removed "users" menu, XAuth user configuration is now handled by "identity" menu;
----------------------

Changes in this release:

!) ipsec - added new "identity" menu with common peer distinguishers;
!) speedtest - added "/tool speed-test" for ping latency, jitter, loss and TCP and UDP download, upload speed measurements (CLI only);
!) telnet - do not allow to set "tracefile" parameter;
*) bgp - properly update keepalive time after peer restart;
*) bridge - fixed BOOTP packet forwarding when DHCP Snooping is enabled;
*) bridge - fixed IPv6 link-local address generation when auto-mac=yes;
*) capsman - always accept connections from loopback address;
*) certificate - added support for multiple "Subject Alt. Names";
*) cloud - added "ddns-update-interval" parameter;
*) conntrack - added new "loose-tcp-tracking" parameter (equivalent to "nf_conntrack_tcp_loose" in netfilter);
*) console - properly remove system note after configuration reset;
*) crs3xx - improved fan control stability;
*) crs3xx - improved stability when adding ACL rules on CRS326 and CRS328 devices (introduced in 6.44beta39);
*) defconf - fixed default configuration loading on RB4011iGS+5HacQ2HnD-IN;
*) defconf - fixed IPv6 link-local address range in firewall rules;
*) dhcp - added "allow-dual-stack-queue" setting for IPv4/IPv6 DHCP servers to control dynamic lease/binding behaviour;
*) dhcpv4-server - added "parent-queue" parameter (CLI only);
*) dhcpv6-server - properly handle DHCP requests that include prefix hint;
*) discovery - detect proper slave interface on bounded interfaces;
*) discovery - fixed malformed neighbor information for routers that has incomplete IPv6 configuration;
*) discovery - send master port in "interface-name" parameter;
*) discovery - show neighbors on actual bridge port instead of bridge itself for LLDP;
*) ethernet - fixed VLAN1 forwarding on RB1100AHx4 and RB4011 devices;
*) export - fixed "silent-boot" compact export;
*) fetch - added "http-header-field" parameter;
*) gps - added "coordinate-format" parameter (CLI only);
*) ike2 - allow to match responder peer by "my-id=fqdn" field;
*) ipsec - improved invalid policy handling when a valid policy is uninstalled;
*) kidcontrol - added IPv6 support;
*) kidcontrol - added statistics web interface for kids (http://router.lan/kid-control);
*) led - fixed default LED configuration for RBMetalG-52SHPacn;
*) lte - added "ecno" field for "info" command;
*) lte - disallow setting LTE interface as passthrough target;
*) lte - fixed passthrough functionality when interface is removed;
*) lte - improved SimCom 7100e support;
*) lte - increased reported "rsrq" precision;
*) lte - reset USB when non-default slot is used;
*) package - use bundled package by default if standalone packages are installed as well;
*) ppp - added "at-chat" command;
*) resource - fixed "total-memory" reporting on ARM devices;
*) snmp - added "tx-ccq" ("mtxrWlStatTxCCQ") and "rx-ccq" ("mtxrWlStatRxCCQ") values;
*) snmp - changed fan speed value type to Gauge32;
*) snmp - removed "rx-sector" ("Wl60gRxSector") value;
*) ssh - fixed public key format compatibility with RFC4716;
*) switch - fixed MAC learning when disabling interfaces on devices with Atheros8327 and QCA8337 switch chips;
*) system - fixed situation when all configuration was not properly loaded on bootup;
*) timezone - fixed "Europe/Dublin" time zone;
*) traceroute - improved stability when sending large ping amounts;
*) upgrade - automatically uninstall standalone package if already installed in bundle;
*) user - require "write" permissions for LTE firmware update;
*) watchdog - allow specifying DNS name for "send-smtp-server" parameter;
*) webfig - do not show bogus VHT field in wireless interface advanced mode;
*) winbox - added "allow-roaming" parameter in "Interface/LTE" menu;
*) winbox - added "challenge-password" field when signing certificate with SCEP;
*) winbox - added "conflict-detection" parameter in "IP/DHCP server" menu;
*) winbox - added src/dst address and in/out interface list columns to default firewall menu view;
*) winbox - added support for dynamic devices in "IP/Kid Control/Devices" tab;
*) winbox - allow to change VHT rates when 5ghz-n/ac band is used;
*) winbox - fixed missing w60g interface status values;
*) winbox - renamed "Radius" to "RADIUS";
*) winbox - show "R" flag under "IPv6/DHCP Server/Bindings" tab;
*) winbox - show "Switch" menu on RB4011iGS+5HacQ2HnD;
*) wireless - improvements in wireless frequency selection;
*) wireless - improved system stability for all ARM devices with wireless;

Other changes since v6.43.7:

*) bridge - added option to monitor fast-forward status;
*) bridge - disable fast-forward when using SlowPath features;
*) bridge - fixed DHCP Option 82 parsing when using DHCP Snooping;
*) bridge - fixed packet forwarding when changing MSTI VLAN mappings;
*) bridge - fixed possible memory leak when using MSTP;
*) bridge - improved packet processing when bridge port changes states;
*) btest - added multithreading support for both UDP and TCP tests;
*) btest - added warning message when CPU load exceeds 90% (CLI only);
*) capsman - fixed "group-key-update" parameter not using correct units;
*) certificate - fixed certificate signing by SCEP client if multiple CA certificates are provided;
*) chr - assign interface names based on underlying PCI device order on KVM;
*) cloud - do not reuse old UDP socket if routing changes are detected;
*) cloud - ignore "force-update" command if DDNS is disabled;
*) cloud - improved DDNS service disabling;
*) cloud - made address updating faster when new public address detected;
*) console - renamed IP protocol 41 to "ipv6-encap";
*) crs317 - fixed TX not working on sfp-sfpplus9 interface (introduced in v6.40beta12);
*) crs328 - fixed SFP+ interface linking on CRS328-24P-4S+RM (introduced in v6.44beta17);
*) crs3xx - improved data transmission between 10G and 1G ports;
*) defconf - fixed configuration not generating properly on upgrade;
*) dhcp - properly load DHCP configuration if options are configured;
*) dhcpv4-server - added "User-Name" attribute to RADIUS accounting messages;
*) dhcpv4-server - fixed service becoming unresponsive after interface leaves and enters the same bridge;
*) dhcpv6-client - use default route distance also for unreachable route added by DHCPv6 client;
*) dhcpv6-server - improved DHCPv6 server stability when using "print" command;
*) e-mail - added info log message when e-mail is sent successfully;
*) ethernet - fixed IPv4 and IPv6 packet forwarding on IPQ4018 devices;
*) ethernet - fixed linking issues on wAP ac, RB750Gr2 and Metal 52 ac (introduced in v6.43rc52);
*) ethernet - improved per core ethernet traffic classificator on mmips devices;
*) fetch - fixed fetching with "as-value" creating an empty file (introduced in v6.44beta20);
*) fetch - fixed "without-paging" option;
*) health - improved fan control stability on CRS328-24P-4S+RM;
*) ike2 - added option to specify certificate chain;
*) ike2 - added peer identity validation for RSA auth (disabled after upgrade);
*) ike2 - fixed local address lookup when initiating new connection;
*) ike2 - improved subsequent phase 2 initialization when no childs exist;
*) ike2 - properly handle certificates with empty "Subject";
*) ike2 - send split networks over DHCP (option 249) to Windows initiators if DHCP Inform is received;
*) ike2 - show weak pre-shared-key warning;
*) ipsec - added account log message when user is successfully authenticated;
*) ipsec - added basic pre-shared-key strength checks;
*) ipsec - added new "remote-id" peer matcher (CLI only);
*) ipsec - allow to specify single address instead of IP pool under "mode-config";
*) ipsec - fixed active connection killing when changing peer configuration;
*) ipsec - fixed stability issues after changing peer configuration (introduced in v6.43);
*) ipsec - hide empty prefixes on "peer" menu;
*) ipsec - made dynamic "src-nat" rule more specific;
*) ipsec - made peers autosort themselves based on reachability status;
*) ipsec - moved "profile" menu outside "peer" menu (CLI only);
*) ipsec - properly detect AES-NI extension as hardware AEAD;
*) ipsec - removed limitation that allowed only single "auth-method" with the same "exchange-mode" as responder;
*) kidcontrol - added "reset-counters" command for "device" menu (CLI only);
*) kidcontrol - added "tur-fri", "tur-mon", "tur-sat", "tur-sun", "tur-thu", "tur-tue", "tur-wed" parameters (CLI only);
*) kidcontrol - dynamically discover devices from DNS activity;
*) kidcontrol - fixed validation checks for time intervals;
*) kidcontrol - properly detect time zone changes;
*) led - fixed default LED configuration for wAP 60G AP devices;
*) lte - added additional ID support for Novatel USB730L modem;
*) lte - added "cell-monitor" command for R11e-LTE international modem (CLI only);
*) lte - added "ecno" field for "info" command;
*) lte - added "firmware-upgrade" command for R11e-LTE international modems (CLI only);
*) lte - added support for JioFi JMR1040 modem;
*) lte - fixed connection issue when LTE modem was de-registered from network for more than 1 minute;
*) lte - fixed DHCP relay packet forwarding when in passthrough mode;
*) lte - fixed IPv6 activation for R11e-LTE-US modems;
*) lte - fixed Jaton/SQN modems preventing router from booting properly;
*) lte - fixed LTE interface not working properly after reboot on RBSXTLTE3-7;
*) lte - fixed missing running (R) flag for Jaton LTE modems;
*) lte - improved compatibility for Alt38xx modems;
*) port - improved "remote-serial" TCP performance in RAW mode;
*) profiler - classify kernel crypto processing as "encrypting";
*) proxy - removed port list size limit;
*) rb3011 - implemented multiple engine IPsec hardware acceleration support;
*) rbm33g - improved stability when used with some USB devices;
*) romon - improved reliability when processing RoMON packets on CHR;
*) routerboard - require at least 10 second interval between "reformat-hold-button" and "max-reformat-hold-button";
*) sniffer - save packet capture in "802.11" type when sniffing on w60g interface in "sniff" mode;
*) snmp - added "dot1qPortVlanTable" and "dot1dBasePortTable" OIDs;
*) snmp - fixed w60g station table;
*) snmp - report bridge ifSpeed as "0";
*) ssh - added "allow-none-crypto" parameter to disable "none" encryption usage (CLI only);
*) ssh - added error log message when key exchange fails;
*) ssh - fixed non-interactive shell not returning all output (introduced in v6.44);
*) ssh - fixed single command execution (introduced in v6.44beta9);
*) switch - fixed ACL rules on IPQ4018 devices;
*) tr069-client - fixed HTTP cookie getting duplicated with the same key;
*) traffic-flow - reduced minimal value of "active-flow-timeout" parameter to 1s;
*) tunnel - properly clear dynamic IPsec configuration when removing/disabling EoIP with DNS as "remote-address";
*) upgrade - made security package depend on DHCP package;
*) userman - show redirect location in error messages;
*) w60g - added "10s-average-rssi" parameter to align mode (CLI only);
*) w60g - added align mode "/interface w60g align" (CLI only);
*) w60g - fixed scan in bridge mode;
*) w60g - improved PtMP performance;
*) w60g - improved reconnection detection;
*) w60g - improved "tx-packet-error-rate" reading;
*) w60g - renamed disconnection message when license level did not allow more connected clients;
*) w60g - renamed "frequency-list" to "scan-list";
*) winbox - added 4th chain selection for "HT TX chains" and "HT RX chains" under "CAPsMAN/CAP Interface/Wireless" tab;
*) winbox - added "radio-name" setting to "CAPsMAN/CAP Interface/General" tab;
*) winbox - added "secondary-channel" setting to "CAPsMAN/CAP Interface/Channel" tab;
*) winbox - allow setting "network-mode" to "auto" under LTE interface settings;
*) winbox - show "W60G" wireless tab on wAP 60G AP;
*) wireless - improved signal strength at low TX power on LHG 5 ac, LHG 5 ac XL and LDF 5 ac ("/system routerboard upgrade" required);
*) wireless - improved stability for 802.11ac;
*) wireless - removed G/N support for 2484MHz in "japan" regulatory domain;
*) wireless - report last seen IP address in RADIUS accounting messages;

Download the new 'RouterOS 6.44beta50' version here: https://www.mikrotik.com/download