The bug report was simple: long-pressing the d-pad center button on a channel card should toggle the favorite โ it wasn't working reliably. On some devices it fired once and stopped. On others it didn't fire at all on long-press.
Source: [Dev.to](https://dev.to/akshay_nikhare/onpreviewkeyevent-vs-onkeyevent-on-android-tv-a-subtle-d-pad-bug-3c7d)