thansk @TubularBells for bringing this up. And yes, we have some news to share.
About 2 weeks ago TIDAL contacted us providing the technical informations required to implement Hi-Res FLAC in TIDAL Connect. And guess what, we are working on it 
We don’t have yet an ETA for when this will be released, as we must follow TIDAL’s indication. But rest assured that we want to be the first to have it out