Since EmailMessage is a provisional API we can fix API bugs in a
maintenance release, but I used a trick suggested by Serhiy to
maintain backward compatibility with 3.4.0/1.

use patch context manager instead of decorator because the decorator 'leaks' metadata onto the function

python.org OS X installers are now distributed as signed installer
packages compatible with the Gatekeeper security feature.

Change a couple of existing prints.  Original patch by Serhiy Storchaka.

focussed and move advanced section and customization information to a separate
file called appendix.

Patch credits: Jamayla Wiley, Ya-Ting Huang and James Brewer.

Patch by Chris Rebert.

representation of Handle and TimerHandle after cancel().

Issue #22419: Limit the length of incoming HTTP request in wsgiref server to 65536 bytes.

Issue #22421 - Secure pydoc server run. Bind it to localhost instead of all interfaces.

with non-standard cookie handling in some Web browsers.

Reported by Sergey Bobrov.

with non-standard cookie handling in some Web browsers.

Reported by Sergey Bobrov.

directory to sys.path when running from a build directory.  That has
proven to be problematic for several standard library modules with
C extension modules whose builds can fail on some platforms.

when it is run with pythonw.exe.

Documented that Tk.report_callback_exception() is purposed to be overriden in
applications.