Anyone have any insight into why they might not have included "Wi-Fi 6" aka 802.11ax? I was under the impression that it's current get now even if there's not a

Anyone have any insight into why they might not have included "Wi-Fi 6" aka 802.11ax? I was under the impression that it's current get now even if there's not a lot of support yet. Are we still lacking good chipsets with support?