AirPlay not working in developer mode?
Airplay had been working fine on our Roku. Then, I enabled developer mode and installed the Hello, World app. Now, when I try to Airplay, after selecting the Roku from the Airplay menu on the Mac, ...
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I have found this to be problem as well. Deleting the developer app seems to work for me. I don't have to disable developer mode. But Airplay is still flaky. I have not disabled developer mode to see if that helps, as the problems are intermittent and not sure I'd be able to narrow it down. But deleting the developer app definitely helps.
