Why there is no update after 1.1.22 version for US firmware??

@Joseph-TP why version 1.2.1 is not available in US version? Us version doesn't get any updates after 1.1.22 version.

@Joseph-TP Tried everything but still no ipv6 address is showing. My isp saying it's archer ax12 firmware problem.

@Joseph-TP Tried everything and I turned it on as well. But still no ipv6 address is there. And i again confirmed from my isp that everything is ok from their side.

I am using Archer AX12 and My isp's name is Alliance Broadband. They enabled ipv6 services and they enabled it from their side. But in my router there is no ipv6 address showing and in what is my ip...