I have the same problem on myTCL Roku TV, my Roku Stick and my Roku Express. And I'd been watching TV though Xfinity Stream Beta with HD on my Roku for over 3 years. I spoke to tech support last week, asking for a list of all the current channels I have on my Blast + plan. He and a customer service rep both sent me to a web pages which offered no help. I also asked them what happened to the HD channels on Xfinity Stream. Customer service didnt know, and tech read me all the HD channel #'s for my package. But eviidently, either he didnt understand I was asking about HD channels on Xfinity Stream (I Do have them from my cable box), or even he didn't knnow they removed all HD channels on Xfinity Stream Beta in Roku. I don't have a smart phone and don't watch TV on my laptop. So I don't know if they've been removed from those apps too or not. I think it'svery petty that the did this without explanation. And even worse that neither customer service or tech support see to know anything about tihs change.
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