zenwifi xd4

I already own a RT-AX86U Pro, which is on the newer 3.0.0.6 codebase, meaning I am getting features such as Guest Networking Pro etc. Now, I want to extend the network using cheaper mesh devices. I have found XD4 Mini (2-pack) available at $125 (converted from local currency), but a quick check...

It appears there is an update to the Asus ZenWiFi XD4 Mini firmware very recently (Nov 2024?) (Firmware version 3.0.0.4_388_25106). I use the XD4 as AiMesh nodes for an Asus RT-ZX88U Pro router and from the router it shows firmware update for the XD4 nodes: AiMesh Node ZenWiFi AX Mini...