I've found you can stream some things on Linux. In particular, if you want to watch ESPNHD, or TNT, or NBCSN, you can navigate to those websites first, then login to xfinity.net fromthere, and it works just fine. I have TNT streaming in another tab right now. using google-chrome on Linux Mint 20. The primary thing that seems to keep streaming from working on xfinity is their browser compatibility check. They don't fix it because there simply aren't enough of us. The ironic thing is that it actually works a lot better on Linux than it does on my Windows7 laptop.
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