Before an upgrade: Remember to make backup/export files before an upgrade and save them on another storage device; Make sure the device will not lose power during upgrade process; Device has enough free storage space for all RouterOS packages to be downloaded. What's new in 7.21.2 (2026-Jan-29 11…

[image] Znevna: Why would they waste paid dev time if a forum wanderer can do it? [image] rextended: But the reality is :woozy_face: It should have been read in its entirety. I was saying that programmers can't do it easily, because it's too complex to predict what a user might have c…

You're looking at the end-user problem from the hardware perspective... I'm looking at the idea of ensuring that the DefConf creation mechanism, which has to cover everything from a tiny LTE device to a device that could be a Storage/Server/Router/Switch, doesn't have to be completely rewritten a…

MikroTik's general approach is that configurations remain unchanged after updates. This applies not only to the default configuration (defconf), but also when defaults in other configuration sections change. As a result, new entries may appear in the export after an update. This happens when default…

I really don't see how come default configuration upgrade attracted so much attention, I for example never use it and I presume most more experienced users don't, and people who actually use it could always reset to default configuration after RouterOS upgrade and get the latest version (even if it …

[image] bratislav: I for example never use it and I presume most more experienced users don't I'm pretty sure that 99% of MT devices which come with any kind of default config (so excluding CCRs and alike) are running default config (or very close to it). And as explained, ROS upgrades someti…

[image] infabo: What I have criticized in the past is that deeper, backward incompatible changes are not declared separately, but sometimes appear in seemingly minor changelog lines. What I hate most is when parameter names are changed or structured in different levels than before, the existi…

[image] mkx: the whole firewall section would get removed and set from scratch The process that does this could also just mark all previous firewall rules as disabled=yes with additions to the comments stating something like “FWRESET: en/dis/abled previously” and then the admin could rework h…

For all persons with stranges behaviors : igmp-snooping is enabled or not on your setup ?

This is because of this, check if you have duplicated tables called main, i had same for some reason, so at the end no routes are created route - prevent creating routing tables with the same name;

Version 7.21.3 has been released: [image] V7.21.3 [stable] is released! Announcements Before an upgrade: Remember to make backup/export files before an upgrade and save them on another storage device; Make sure the device will not lose power during upgrade pr…

V7.21.2 [stable] is released!

Announcements

EdPa February 13, 2026, 9:53am 109

Version 7.21.3 has been released: