6.45beta6 changelog:

Changes in this release:

*) bridge - fixed possible memory leak when using "ingress-filtering=yes" on bridge interface;
*) certificate - added support for ECC (Elliptic Curve Cryptography);
*) certificate - force 3DES encryption for P12 certificate export;
*) crs3xx - correctly display auto-negotiation information for SFP/SFP+ interfaces in 1Gbps rate;
*) crs3xx - fixed auto negotiation when 2-pair twisted cable is used (downshift feature);
*) dhcp - fixed dual stack queue addition;
*) dhcpv4-server - added "vendor-class-id" matcher (CLI only);
*) dhcpv6-server - use MAC address for RADIUS user when "allow-dual-stack-queue=yes";
*) ethernet - added support for 25Gbps and 40Gbps rates;
*) fetch - improved user policy lookup;
*) gps - increase precision for dd format;
*) ipsec - fixed dynamic L2TP peer and identity configuration missing after reboot (introduced in v6.44);
*) ipsec - use "remote-id=ignore" for dynamic L2TP configuration (introduced in v6.44);
*) ipv6 - do not allow setting "preferred-lifetime" longer than "valid-lifetime";
*) lte - added passthrough interface subnet selection;
*) lte - added support for manual operator selection;
*) lte - do not show error message for info commands that are not supported;
*) lte - do not show "session-uptime" if session is not up;
*) lte - improved R11e-4G modem operation;
*) lte - renamed firmware upgrade "path" command to "firmware-file" (CLI only);
*) lte - reset LTE modem only when SIM slot is changed on dual SIM slot devices;
*) lte - show alphanumeric value for operator info;
*) lte - show correct firmware revision after firmware upgrade;
*) lte - use secondary DNS for DNS server configuration;
*) ppp - added initial support for Quectel BG96;
*) rb4011 - fixed ether10 failing to auto negotiate link speed to 1Gbps;
*) sfp - fixed S-35LC20D transceiver DDMI readouts after reboot;
*) sms - improved delivery report logging;
*) snmp - added "dot1dStpPortTable" OID;
*) ssh - use correct user when "output-to-file" parameter is used;
*) switch - fixed possible crash when interface state changes and DHCP Snooping is enabled;
*) tile - improved link fault detection on SFP+ ports;
*) winbox - added "use-local-address" parameter in "IP/Cloud" menus;
*) wireless - fixed incorrect IP header for RADIUS accounting packet;
*) wireless - updated "india" regulatory domain information;
*) wireless - updated "new zealand" regulatory domain information;

Download the new 'RouterOS 6.45beta6' version here: https://mikrotik.com/download