Both are gone, who knows what will come next?
From the Union Square Partnership:
Union Square Partnership invites you to share your opinion about our work in our 2023 Annual Community Opinion Survey. Your feedback helps us better understand our community’s priorities and perceptions of the Union Square-14th Street neighborhood and plan for future projects. The survey will be open until 5:00 PM on Thursday, August 24th, 2023. It takes about 10 minutes.
Survey participants will be entered for a chance to win one of six (6) $50 gift certificates from one of the following neighborhood businesses:
The Survey is Here: https://www.unionsquarenyc.org/2023-community-survey.
Thank you for your participation! Your feedback is invaluable.
Sincerely,
Union Square Partnership Team
Curbed has a big article outlining and analyzing all the current, upcoming, and potential efforts to make 14th St. better in all sorts of ways. 
Your reporter visited an open house at 15 Union Square West. The verdict: the ceilings are incredibly high and the windows are huge. Fixtures are fantastic although overdesigned for someone with more sedate tastes. The most interesting feature: an interior atrium complete with 19th century ironwork and a skylight that will be restored. Incredible to see it. The big problem: these apartments are insanely expensive.