D&D General Are D&D titles disappearing from Drivethrurpg?

[Sword of Spirit]

So I was looking through the Black Friday sales to see if I wanted to pick up some older edition pdfs for my library. I remembered that I wanted "Tales from the Infinite Staircase", and thought I had it in my wishlist. I didn't see it there, so wondered if maybe I bought it already. Nope. Then I scoured the site and couldn't find it at all.

Has anyone else noticed this?

 

[Matrix Sorcica]

It happens sometimes, for example when they discover quality issues. PoD of Murder in Baldur's Gate is a recent example.