Got some official answers as well from tp-link. If you guys have any questions, feel free to ask them here: https://community.tp-link.com/us/home/forum/topic/240296

This should be really really awesome! Now my nodes are only wi-fi related. When I can use those to extend the zigbee mesh network I have from my Sonoff Zigbee CC2531 Usb Dongle, it should be really...