Whither Spotify HiFi? Great question. Announced more than three (!) years ago, Spotify HiFi was supposed to finally bring lossless audio to the world’s biggest streaming-music service. Pop stars were trotted out to promote the new feature, experts detailed the benefits lossless audio would bring to listeners, and a launch window was announced. And then… nothing. Three years after Spotify announced HiFi, we’re still wondering what happened to the feature. Of course, there’s been no shortage of Spotify HiFi rumors and leaks, with many of them promising that this time, Spotify lossless audio is t…