Some of you may know, but Channels is not the first DVR that @maddox and I have built.
We have been working on our own media software for decades now. But earlier versions were private, and only used by our friends and family.
I came across some screenshots from the first time I built Virtual Channels, in May 2014. Back then we used the third-gen Apple TVs, with various hacks to run our own software (this was before the App Store existed for tvOS):