AREDN nightly build 20250217 is now available.  As announced, this build includes the Babel networking protocol, in addition to OLSR.    Upgrading is the same procedure as before.  If there are "Babel-enabled" nodes at each end of a link, that link will run Babel preferentially.

The only other thing that's changed in this build compared to the 3.25.2.0 production release is the addition of an icon that shows if a link is running the Babel protocol.  It looks like this:

Go forth and test (cautiously)!

The AREDN dev team

--