6.43rc29 changelog:

MAJOR CHANGES IN v6.43:
----------------------
!) api - changed authentication process (https://wiki.mikrotik.com/wiki/Manual:API#Initial_login);
!) backup - do not encrypt backup file unless password is provided;
!) btest - requires at least v6.43 Bandwidth Test client when connecting to v6.43 or later version server except when authentication is not required;
!) cloud - reworked "/ip cloud ddns-enabled" implementation (suggested to disable service and re-enable after installation process);
!) mac-telnet - require at least v6.43 MAC Telnet client when connecting to v6.43 or later version server;
!) radius - use MS-CHAPv2 for "login" service authentication;
!) romon - require at least v6.43 RoMON agent when connecting to v6.43 or later RoMON client device;
!) webfig - improved authentication process;
!) winbox - improved authentication process excluding man-in-the-middle possibility (Winbox v3.14 required);
----------------------

Changes in this release:

*) dhcp - reduced resource usage of DHCP services;
*) ipsec - improved reliability on IPsec hardware encryption for RB1100Dx4;
*) led - added "dark-mode" functionality for SXTsq 5 ac devices;
*) led - use routers uptime as a starting point when turning off LEDs if option was not enabled on boot;
*) sfp - fixed DDM data with SFP+ modules on CRS328-4C-20S-4S+ (introduced in v6.43rc10);
*) sms - do not require "port" and "interface" parameters when sending SMS if already present in configuration;
*) swos - implemented "/system swos" menu that allows to upgrade, reset, save or load configuration and change address for dual-boot CRS devices (CLI only);
*) w60g - improved maximum link distance;
*) w60g - improved RAM memoy allocation processes;
*) wireless - improved Nv2 reliability on ARM devices;

Other changes since v6.42.3:

*) backup - generate proper file name when router identity is longer than 32 symbols;
*) bridge - add dynamic CAP interface to tagged ports if "vlan-mode=use-tag" is enabled;
*) bridge - added ingress filtering options to bridge interface;
*) bridge - added initial Q-in-Q support;
*) bridge - allow to make changes for bridge port when it is interface list;
*) bridge - fixed bridge hw-offloading on MMIPS devices (introduced in v6.43rc10);
*) bridge - fixed dynamic VLAN table entries when using ingress filtering;
*) bridge - fixed FastPath for bridge master interfaces (introduced in v6.42);
*) capsman - allow to change "radio-name" (CLI only);
*) capsman - increase timeout for the CAP to CAPsMAN communication;
*) certificate - added "expires-after" parameter;
*) certificate - fixed "add-scep" template existence check when signing certificate;
*) chr - added checksum offload support for Hyper-V installations;
*) chr - added large send offload support for Hyper-V installations;
*) chr - added multiqueue support on Xen installations;
*) chr - added support for multiqueue feature on "virtio-net";
*) chr - added virtual Receive Side Scaling support for Hyper-V installations (might require more RAM assigned than in previous versions);
*) chr - by default enable link state tracking for virtual drivers with "/interface ethernet disable-running-check=no";
*) chr - do not show IRQ entries from removed devices;
*) chr - fixed adding MSTI entries;
*) chr - fixed boot on hosts older than Windows Server 2012 when running CHR on Hyper-V;
*) chr - fixed interface name assign process when running CHR on Hyper-V;
*) chr - fixed MTU changing process when running CHR on Hyper-V;
*) chr - fixed NIC hotplug for "virtio-net";
*) chr - fixed various network hang scenarios when running CHR on Hyper-V;
*) chr - improved boot time for Hyper-V installations;
*) chr - provide part of network interface GUID at the beginning of "bindstr2" value when running CHR on Hyper-V;
*) console - fixed script permissions if script is executed by other RouterOS service;
*) crs3xx - added initial Q-in-Q hardware offloading support (CLI only);
*) crs3xx - fixed ACL rate rules (introduced in v6.41rc27);
*) crs3xx - fixed packet forwarding on SFP+ interfaces (introduced in v6.43rc11);
*) crs3xx - fixed VLAN filtering when there is no tagged interface specified;
*) defconf - fixed missing bridge ports after configuration reset;
*) dhcp - added dynamic IPv4/IPv6 "dual-stack" simple queue support, based on client's MAC address;
*) dhcp - fixed DHCP server stuck in invalid state;
*) dhcpv4-client - fixed DHCP client that was stuck on invalid state;
*) dhcpv4-server - added "allow-dual-stack-queue" implementation (CLI only);
*) dhcpv4-server - do not allow override lease "always-broadcast" value based on offer type;
*) dhcpv4-server - fixed DHCP server functionality (introduced in v6.43rc);
*) dhcpv4-server - fixed DHCP server that was stuck on invalid state;
*) dhcpv4-server - improved performance when "rate-limit" and/or "address-list" setting is present;
*) dhcpv6-client - added missing "Server identifier" parameter in release message;
*) dhcpv6-server - added "allow-dual-stack-queue" implementation (CLI only);
*) dhcpv6-server - added initial dynamic simple queue support;
*) filesystem - improved software crash handling on devices with FLASH type memory;
*) health - changed "PSU-Voltage" to "PSU-State" for CRS328-4C-20S-4S+;
*) health - fixed incorrect PSU index for CRS328-4C-20S-4S+;
*) ike1 - purge both SAs when timer expires;
*) interface - improved reliability on dynamic interface handling;
*) ipsec - added "responder" parameter for "mode-config" to allow multiple initiator configurations;
*) ipsec - added "src-address-list" parameter for "mode-config" that generates dynamic "src-nat" rule (CLI only);
*) ipsec - added warning messages for incorrect peer configuration;
*) ipsec - do not allow removal of "proposal" and "mode-config" entries that are in use;
*) ipsec - improved reliability on generated policy addition when IKEv1 or IKEv2 used;
*) ipsec - install all DNS server addresses provided by "mode-config" server;
*) ipsec - separate phase1 proposal configuration from peer menu;
*) ipsec - use monotonic timer for SA lifetime check;
*) kidcontrol - added dynamic accept firewall rules in order to allow limit bandwidth when FastTrack is enabled;
*) kidcontrol - allow to edit discovered devices;
*) kidcontrol - fixed dynamically created firewall rules order;
*) led - added "dark-mode" functionality for hEX S devices;
*) led - fixed CCR1016-12S-1S+ LED behaviour after Netinstall (introduced in v6.41rc58);
*) led - improved w60g alignment trigger;
*) log - show interface name on OSPF "different MTU" info log messages;
*) lte - added additional ID support for SIM7600 modem;
*) lte - added extended LTE signal info for SIM7600 modules;
*) lte - added extended signal information for Quectel LTE EC25 and EP06 modem;
*) lte - added ICCID reading for info command R11e-LTE and R11e-LTE-US (CLI only);
*) lte - added roaming status reading for info command (CLI only);
*) lte - added support for Novatel USB730LN modem with new ID;
*) lte - added support for Quanta 1k6e modem;
*) lte - allow to execute concurrent internal AT commands;
*) lte - allow to use multiple PLS modems at the same time;
*) lte - do not allow to remove default APN profile;
*) lte - do not allow to send "at-chat" commands for configless modems;
*) lte - expose GPS channel for PLS modems;
*) lte - fixed SIM7600 registration info;
*) lte - improved modem event processing;
*) lte - improved r11e-LTE and r11e-LTE-US dialling process;
*) lte - improved r11e-LTE configuration exchange process;
*) lte - improved reading of SMS message after entering running state;
*) lte - improved readings of info command results for the SXT LTE;
*) lte - improved stability of USB LTE interface detection process;
*) lte - renamed LTE scan tool field "scan-code" to "mcc-mnc" (CLI only);
*) lte - use "/32" address for the Passthrough feature when R11e-LTE module is used;
*) lte - use alphanumeric operator format in info command;
*) ntp - allow to specify link-local address for NTP server;
*) ppp - added support for additional ID for E3531 modem;
*) ppp - fixed "hunged up" grammar to "hung up" within PPP log messages;
*) ppp - show comments from "/ppp secrets" menu within "/ppp active" menu when client is connected;
*) quickset - added missing wireless "channel-width" settings;
*) quickset - added support for "5ghz-a/n" band when CPE mode is used;
*) quickset - recognize 160 MHz channel as HomeAP mode;
*) romon - fixed RoMON services becoming unavailable after disabled once during active scanning process;
*) routerboard - allow to fill up to half of the RAM memory with files on devices with FLASH storage;
*) routerboard - fixed "protected-routerboot" feature (introduced in v6.42);
*) smb - fixed valid request handling when additional options are used;
*) snmp - added "rssi" and "tx-sector-info" value support for w60g type interfaces;
*) snmp - added remote CAP count OID for CAPsMAN;
*) snmp - fixed readings for CAPsMAN slave interfaces;
*) ssh - disconnect all active connections when router gets rebooted or turned off;
*) supout - added "partitions" section to supout file;
*) switch - added support for port isolation by switch chip;
*) tr069-client - fixed setting of "DeviceInfo.ProvisioningCode" parameter;
*) usb - fixed power-reset for hAP ac^2 devices;
*) usb - properly detect USB 3.0 flash on RBM33G when jumper is removed;
*) user - all passwords are now hashed and encrypted, plaintext passwords are kept for downgrade (will be removed in later upgrades);
*) userman - improved unique username generation process when adding batch of users;
*) vrrp - improved reliability on VRRP interface configured as a bridge port when "use-ip-firewall" is enabled;
*) w60g - added 4th 802.11ad channel (CLI only);
*) w60g - added distance measurement (CLI only);
*) w60g - general stability and performance improvements;
*) w60g - improved link stability;
*) w60g - improved maximal achievable distance;
*) w60g - removed distance lock for wAP 60G devices;
*) webfig - properly display time interval within Kid Control menu;
*) webfig - properly show NTP clients "last-adjustment" value;
*) winbox - added "poe-fault" LED trigger;
*) winbox - added "secondary-channel" setting to wireless interface if 80 MHz mode is selected;
*) winbox - added bridge Fast Forward statistics counters;
*) winbox - added missing "dscp" and "clamp-tcp-mss" settings to IPv6 tunnels;
*) winbox - allow to specify full URL in SCEP certificate signing process;
*) winbox - by default specify keepalive timeout value for tunnel type interfaces;
*) winbox - fixed arrow key handling within table filter fields;
*) winbox - fixed bridge port MAC learning parameter values;
*) winbox - properly close session when uploading multiple files to the router at the same time;
*) winbox - removed duplicate "20/40/80MHz" value from "channel-width" setting options;
*) winbox - show "scep-url" for certificates;
*) winbox - show "Switch" menu on hAP ac^2 devices;
*) winbox - show "System/Health" only on boards that have health monitoring;
*) winbox - show firmware upgrade message at the bottom of "System/RouterBOARD" menu;
*) winbox - show HT MCS tab when "5ghz-n/ac" band is used;
*) wireless - added option for RADIUS "called-station-id" format selection;
*) wireless - do not disconnect clients when WDS master connects with MAC address "00:00:00:00:00:00";
*) wireless - fixed wireless interface lockup after period of inactivity;
*) wireless - improved Nv2 stability for 802.11n interfaces on RB953, hAP ac and wAP ac devices;
*) wireless - updated "germany 5.8 ap" and "germany 5.8 fixed p-p" regulatory domain information;

Download the new 'RouterOS 6.43rc29' version here: https://www.mikrotik.com/download