Roku hasn't released any updates over the last couple of days. But if your ISP controls your router, it's entirely possible they have made a change to your wireless. I'm not doubting your experience. I am merely stating that all of my Roku devices are visible, and I just tested it with my Premiere and it screen mirrored as expected. If the correct network conditions exist, AirPlay is working fine.
Dan
Roku Community Streaming Expert
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