Why the latest FW update is removed from the product support page? There was 4.0.4 Build 20201023 Rel.31224 (Published on 13 Jan 2021 and includes OneMesh capability). Then it has suddenly disappeared

Hi, I have just bought Archer C6 V2 to use as a router instead of my modem/router provided by cable ISP. I also use two TL-WPA4220 to extend the wireless coverage with OneMesh. I did the setup by the