I’m guessing you mean these. I was waiting for them too but never saw an actual release.
https://sneakernews.com/2017/06/30/adidas-ultra-boost-3-0-indigo-neon/
Make your own white heel cup boosts - Ultra Boost Prides for $145 shipped:
https://www.ebay.com/itm/Adidas-Mens-UltraBoost-3-0-Pride-LGBTQ-Black-Multi-Color-CP9632-Running-Shoes/232498890722