I’ve tried running my house on ipv6 only before, but you run into A LOT of issues, even with major services. Example: sometimes my devices would fail when trying to connect to Netflix. Netflix.com issues round-robin DNS. One (1) of the possible endpoints turned out to be unreachable from me over IPv6 because of return path MTU shenanigans I had zero control over.
I’ve tried running my house on ipv6 only before, but you run into A LOT of issues, even with major services. Example: sometimes my devices would fail when trying to connect to Netflix. Netflix.com issues round-robin DNS. One (1) of the possible endpoints turned out to be unreachable from me over IPv6 because of return path MTU shenanigans I had zero control over.