It's not 100% clear from the article, but it looks like this project as designed and approved won't be happening.
The Registry (subscription) had an item about this that stated the project was just purchased from Crescent Heights and was being combined with the adjacent building.
It's separate from the 540 Howard design we've seen, but here's a quote: "The buyers, who are the owners of the neighboring 530 Howard building, intend to combine the two parcels for greater efficiency and advance an appropriate design for one of the final significant developments in the neighborhood."
https://news.theregistrysf.com/524-h...stor-for-78mm/