it’s been “new” fir as long as i have known about it, over 5 years or so? or is this a different thing?

Not to be confused with the Yggdrasil Linux distro.

(Sometimes being first doesn't help.)

[1] https://en.wikipedia.org/wiki/Yggdrasil_Linux/GNU/X

Thank you, Yggdrasil, for being just a compact routing scheme, not a semi-governmental military solution for implementing horrors beyond my comprehesion (they just love nordic or lotr names for that kind of things)

Earlier discussions:

https://news.ycombinator.com/item?id=42155780

https://news.ycombinator.com/item?id=42158609

It's been working well for me as a kind of poor-man's tailscale, connecting several VPS and several laptops.