Yubikey 4 becoming non-free

[Erik 'egnun' Grun]

"I must, sadly, withdraw my endorsement of yubikey 4 devices (and
perhaps all newer yubikeys), as apparently Yubico has replaced all
open-source components that made yubikey NEOs so awesome with
proprietary closed-source code in Yubikey 4s […]"

https://plus.google.com/+KonstantinRyabitsev/posts/4a7RNxtt7vy


Although I don't use the Yubikey myself, it is makes me quite sad that
the developers decided to make one of their products non-free.

Maybe we can convince them to readjust their decision. 


Regards

-- egnun