For changes which require an entry in api_changes.rst please create a file in this folder with the name :file:`YYYY-MM-DD-[initials].rst` (ex :file:`2014-07-31-TAC.rst`) with contents following the form:

Brief description of change
---------------------------

Long description of change, justification, and work-arounds to
maintain old behavior (if any).

If you need more heading levels, please use ~~~~ and ++++.