I have encountered the following issue and it is about to happen again. I can’t say for sure if the issue is with the tvOS app or the DVR as I’ve not checked the behavior on the web app or iOS.
I have a movie on PBS scheduled to record at 8 PM. It will air simultaneously on channels 9.1 and 54.2. Channel 9.1 is a favorite and Channels DVR will correctly record it on 9.1; but the tvOS app lists it now to record on 54.2 (as does the iOS app, the DVR web app shows both channels). Also, the DVR log shows it recording on 54.2:
2018/06/30 18:01:00 [DVR] Waiting 1h58m29.353571098s until next job 1530413970-ch54.2 Seven Brides for Seven Brothers (1954)
At 8 PM tonight, the DVR tab will continue to show the movie scheduled to record on 54.2. It will not show it recording and clicking on the entry does not give the chance to cancel the recording. Rather, Clicking will give the chance to record the movie.
Again, the right thing happens WRT recording, but the UI does not show a status of recording (at least in the tvOS app).