Issue #19804: The test_find_mac test in test_uuid is now skipped if the
ifconfig executable is not available.
Issue #20086: Output more details when test_getsetlocale_issue1813 is failed.
Fixed test_tempfilepager in test_pydoc on Windows.

Filename such as r'c:\users\db3l\appdata\local\temp\tmph3vkvf' contains '\t'
which is interpreted by ast.literal_eval() as a tabulation.
Try to fix some ttk tests.  Error messages were changed in 8.6b3.
tkinter.Text.debug() now always returns 0/1.
Fixed regression inroduced in issue #6157.
Adding test coverage for cgi.FieldStorage based on the scenario mentioned in issue #19097
Issue #20138: Backport tests for handling non-ASCII URLs in the
wsgiref.application_uri() and wsgiref.request_uri() functions.
Issue #19082: Working SimpleXMLRPCServer and xmlrpclib examples, both in modules and documentation.
Fixed typo.
Backported test for the open of non-existent tarfile.
#20236: Fix sphinx markup.
Fix typo.  Pointed out by Finn Ellis on docs@.
complain when nbytes > buflen to fix possible buffer overflow (closes #20246)
correct defaultdict signature in docstring (closes #20250)

Patch from Andrew Barnert.
remove overly strict assertion (closes #20251)
add test for #20251
Issue #20255: Update the about and bugs pages.
Clarified documentation note on module-level convenience functions.