It’s a small thing, but c’mon, it’s not 2012 any more. Especially since virtually everything that talks to Home Assistant on my network does so over IPv6.
(I do wonder what it will report when I finally get around to decommissioning internal IPv4.)
Internally HA does not seem to be able to cope without IPv4.
IPv6 is hopeless in HA, since IPv6 is made to have multiple type of network/interface configuration types on the same NIC, but HA seem to have no way of configuring such setup, so auto-config, temporary, DHCP and so on are impossible to set up correct
IPv6 is made for running both external, internal and non-routable networks on the same NIC too, which is meant to be an improvement to NAT’ed networks in IPv4, but you can not set it up.
And you can not controlwhat interfaces/network HA should bind too, which is important when a NIC should be blento communicate on multiple networks on the same NIC.
HA actually need a “Year of IPv6”.