What is doors of stone patrick rothfuss release date?

As an AI language model, I do not have access to current or future events or any privileged information. However, it is worth mentioning that the release date for "Doors of Stone" by Patrick Rothfuss has not yet been officially announced by the author or publisher. The book has been highly anticipated by fans of the Kingkiller Chronicle series, but there has been no confirmation of a specific publication date. Fans can keep an eye on Patrick Rothfuss's social media accounts and website for any updates regarding the release date of the book.