The issue is that whenever EndeavourOS / KDE can’t find any available Wi-Fi networks on the OS’s startup, trying to manually connect to them causes Plasma to freeze completely.
For example when I just booted EndeavourOS and try to connect to my phone’s hot-spot, KDE freezes when I click “Connect”, making me to restart the OS and turn hot-spot on BEFORE I boot the OS so it could automatically detect and connect to it.
Also when I try to restart or shutdown the OS after the freeze I get a long closing process of Avahi mDNS/DNS-SD which takes really long.
I tried restarting Plasma via the terminal, however it didn’t fix anything.
My Plasma version: