I don't know, the Decawave DW1000[1] has been out for a couple of years now and the revolution hasn't happened. Perhaps there is another missing piece to the puzzle.
What phones is that chip in? When apple can release a new phone that hits 5% market share within a year (with appropriate software improvements) it means your install base is huge and you can start doing things with it.
[1] https://www.digikey.com/product-detail/en/decawave-limited/D...