Yes, she did and she wrote them for charity.
They are called:
Quidditch through the ages
Fantastic Beasts and where to find them
The Tales of Beadle the Bard
As per public information, J.K. Rowling has not announced any plans for new books in the foreseeable future. However, she continues to engage with fans through writing projects and social media.
Sorry but after finishing Deathly Hallows J.K.Rowling said she wouldn't let anyone continue Harry Potter or the Harry Potter world.
Yes. She is now working on a series all about Hermione Granger, one of the characters from the Harry Potter series.
she isn't thinking about it for now, but hasn't ruled out the idea
Rowling will not write any more Books.
No, JK Rowling's books are all purely fictional.
J.K Rowling doesn't make movies she writes books and she hasn't had any more books that have been turned into movies after Harry Potter.
No, there are seven books in the main series and three accompanying books. J.K. Rowling does not plan to write any more of the series.
No, JK Rowling wrote 7 and only 7, and she will write no more.
No,she worked by herself on all of her books.
No. J.K. Rowling has no plans to write any more books in the Harry Potter series.
Any time she can.
Nothing that has been announced.
No. If she was she probably would have used more Wiccan traditions for the Harry Potter books.
She hasn't published any more yet, but she has some completed.
No. The movies coincided with the books, with book seven having 2 parts. So unless JK Rowling writes more books, there won't be any more movies.