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on the aTV2/3 it used to come and go, show up a couple days before and then disappear a few weeks after the event.
haven't been any new events since the aTV4 came out.

I thought they made it a permanent app?

http://9to5mac.com/2015/09/08/apple-tv-events-channel-september/

"Instead the Apple Events channel has become a permanent app on the Apple TV, serving as a central spot for viewing prior major product announcements without relying on searching the YouTube channel......"
 
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