@Sasha Well, my isp *has* ipv6 enabled, but i don't think it's the default ip protocol. I certainly didn't make the switch on my devices.
my NAS updates only through ipv6 though, but that a vendor decision.
And then there was my torrent tracker which had several troubles with ipv6 incompability, so I'm just chilly to use it as default... Even though i admit it would be nice to use it 20 years after its birth.