Problem with connecting to xfinity WiFi since 14.8 download

See this Apple articles below:

If your iPhone, iPad, or iPod touch won’t connect to a Wi-Fi network

https://support.apple.com/en-us/HT204051

Recommended settings for Wi-Fi routers and access points

https://support.apple.com/en-us/HT202068

See also xfinity support:  Updated Mobile Device Settings May Impact WiFi Connection and Xfinity xFi Features

https://www.xfinity.com/support/articles/mobile-device-updated-settings

When is Apple going to fix not being able to livestream Xfinity? The last OS upgrade seems to have caused a major problem.