It seems that everything involving wifi settings like turning on WPS, changing wireless mode from Easymesh to Onemesh using the app, or even turning off wifi using the wifi schedule will result in...

After switching mesh setting, the BE9300 5Ghz wifi got stuck in 100mbps mode. Even hard rebooting wont get out of it. The only way to break out of this was to turn off the 5Ghz > save > turn on 5GHz...