@leogz If you are in accespoint mode: "NOTE: The Connection Alerts feature is not available when Deco works in AP mode." https://www.tp-link.com/en/support/faq/3022/

@David-TP I am running in Accesspoint mode. To much of my network will get broken if I disable this. Therefore I am not able to enable connection alerts / notifications. I can provide you with the...

I have used 1.6.x for a very long time. It was always very stable. I regret upgrading to 1.7.1. I have three m5's arround the house. Ethernet backhaul. They run in Accesspoint mode. Since upgrading...