We heard from two residents via the comments.
Short answer: yes.
I live in one of the buildings behind the 14th Street IHOP, and no, the situation hasn't gotten much better. Several days will go by without much of a problem, and then the stench will begin again. Sometimes, like this morning, it will just be for an hour or two, but then there will be a couple of days when it is just never-ending. Right now, it's a low-level stale smell. My neighbors and I have repeatedly contacted CB6, the DEP, Rosie Mendez's office, you name it - IHOP is still stinking up the neighborhood. Please, please don't go to IHOP.
I am an owner of one of the apartments that get's the brunt of the smell. I literally had to move out and find someone to rent the apartment too. No one would buy it. Everybody said it smells like bacon. The new tenant says it doesn't bother him so much, but I don't think he is home too much — plus he's been there for winter only, we'll see what happens when he starts opening his windows.