As of the most recent GQ, he’s still there.
The GQ was acutally quite a substantiative and interesting article. Although his health seems to have deteriorated somewhat over the years (he hasn’t had access to some maintenance health and dental services) he seems to have sort of resigned himself to the airport. He has claimed to change his name, and even though pro bono lawyers have worked to secure him paperwork that would have allowed him into France, I believe, he seems to suffer from some rather serious mental health issues, particularly depression. My guess is that he stays there until he either dies or he is forced out by the French.