MikroTik Changelogs
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Version: 7.21.5

Long-term

28 changelog entries across 19 component(s)

2026-Jul-03 (1 month ago)

Component Change
bfd fixed delay on session print;
bgp fixed advertisement print handling by "dst" when destination is in VRF;
bgp fixed IPv6 End-of-Route processing;
bgp improved stability on MP (multiprotocol) parsing;
bridge fixed dynamic VLAN update for wifi interfaces;
bridge fixed stability issue when using DHCPv4 snooping;
cloud cloud backup file management now requires "policy" policy;
console fixed unresponsiveness when entering safe-mode through the Windows 11 terminal;
container fixed missing config.json issue when upgrading from version 7.20.8 or older;
disk avoid reading SCSI stats all the time to allow disks to go to sleep;
ethernet fixed stability issue with TSO on Alpine CPUs;
ethernet improved system stability on devices with Alpine CPUs;
ipv6 do not disable IPv6 FastPath when Traffic Flow is enabled;
isis allow to configure metric-type;
isis fixed missing "l2.lsp-refresh-interval" parameter;
l3hw improved system stability on device shutdown/reboot;
lte fixed cases where EC25-EU and EG25-G boards would receive packets with missing last 4 bytes;
lte fixed crash on LTE passthrough interface deactivation;
ospf fixed interface passive flag update in WinBox;
route fixed static route flag handling by WinBox on disable;
route removed deprecated "/routing/route/rule" menu;
switch fixed issue with MAC table for RB2011 (introduced in v7.21);
switch fixed rare possibility of tx-timeout or simultaneous flap of all switch ports on devices with Alpine CPUs;
switch increase "ingress-rate" and "egress-rate" maximum value to 400G;
timezone updated timezone information from "tzdata2026b" release;
upgrade prevent package scheduling from interfering with the upgrade feature;
vxlan fixed fast-path when using "checksum=no" (introduced in v7.20);
winbox do not pre-fill "Allowed Address" and "Client Allowed Address" with "::/0" when adding new WireGuard Peer;