That's good to know. I think the author could have emphasised that more. «Yes, nftables replaces iptables. You are highly encouraged to migrate from iptables

That's good to know. I think the author could have emphasised that more. «Yes, nftables replaces iptables. You are highly encouraged to migrate from iptables to nftables.» sounds a bit too much like "expect iptables to stop working in another release or two".