I've explained it in https://community.tp-link.com/en/home/forum/topic/605982

Context: I deal with a lot of IoT, and home automation devices, and I need to access my router's client list, DHCP settings, etc regularly. I have a browser tab with router settings pinned and opened...

I'm affected by the same bug. I need my devices to have the same IP wherever they're moved, but there's no way to do it…

@Kevin_Z I'm experiencing the exact same issue. Every few hours router drops all connections, sometimes 2.4GHz SSID disappears, router logs stop abruptly until (it seems) wifi is restarted/reloaded...