stands for “Release Candidate 6” in the 3.0 development cycle. This means it is a pre-final build, packed with new features, bug fixes, and performance improvements over the older 2.x series. RC versions are typically very stable, as they are the last step before a full stable release.
To keep your router secure, you should regularly check for updates using the button within the Winbox loader itself. WinBox - MikroTik · Downloads Winbox 3.0 Rc6 Download
It introduced the ability for the software to remember specific table filters during a session, saving administrators from re-applying criteria every time they reopened a window. stands for “Release Candidate 6” in the 3