Issue #19804: The test_find_mac test in test_uuid is now skipped if the
ifconfig executable is not available.
fix build when SCHED_SPORADIC is defined (closes #20217)
Try to fix some ttk tests.  Error messages were changed in 8.6b3.
Fixed the serve.py script.
The application object must return an iterable yielding bytestrings.
tkinter.Text.debug() now always returns 0/1.
Fixed a regression inroduced in issue #6157.
Update Sphinx toolchain.
Issue #19092 - Raise a correct exception when cgi.FieldStorage is given an
invalid file-obj. Also use __bool__ to determine the bool of the FieldStorage
object.
Doc: update Sphinx toolchain also in make.bat
merge heads
Issue #20138: The wsgiref.application_uri() and wsgiref.request_uri()
functions now conform to PEP 3333 when handle non-ASCII URLs.
Issue #19082: Working xmlrpc.server and xmlrpc.client examples. Both in modules and in documentation.
Fixed typo.
Test the open of non-exitent tarfile in all modes.
#20206, #5803: more efficient algorithm that doesn't truncate output.

This fixes an edge case (20206) where if the input ended in a character
needing encoding but there was no newline on the string, the last byte
of the encoded character would be dropped.  The fix is to use a more
efficient algorithm, provided by Serhiy Storchaka (5803), that does not
have the bug.
#20236: Fix sphinx markup.
Issue #20242: Fixed basicConfig() format strings for the alternative formatting styles.
Fix typo.
complain when nbytes > buflen to fix possible buffer overflow (closes #20246)
merge 3.2 (#20246)
correct defaultdict signature in docstring (closes #20250)

Patch from Andrew Barnert.