Closes #17290: Loading cursor now does not persist when launching GUI scripts.
Issue #14720: Enhance sqlite3 microsecond conversion, document its behavior
Issue #14720: Enhance sqlite3 microsecond conversion, document its behavior
Issue #17223: Fix test_array on Windows (16-bit wchar_t/Py_UNICODE)
#17303: test_future* now work with unittest test discovery.  Patch by Zachary Ware.
#17304: test_hash now works with unittest test discovery.  Patch by Zachary Ware.
#17296: backport fix for issue 1692335, naive exception pickling.
Null merge for issue 1692335 backport.