NOTE: The PRs are ordered by staleness.

In case of multiple Pull Requests, you will see the PR that is most stale first.

File	Pull Requests
.azure-pipelines/ci.yml	18371 bpo-33351: Patches to build on clang-cl
.azure-pipelines/pr	18371 bpo-33351: Patches to build on clang-cl
.azure-pipelines/pr.yml	18371 bpo-33351: Patches to build on clang-cl
.azure-pipelines/windows-steps.yml	18371 bpo-33351: Patches to build on clang-cl
.coveragerc	8150 Add a coveragerc file that ignores code blocks that don't matter for coverage
.gitattributes	20314 bpo-40729: Update the list of auto-generated files for .gitattributes
.github/CONTRIBUTING.rst	19989 bpo-40558: update CONTRIBUTING.rst docs
.github/problem-matchers/gcc.json	18567 [workflow] Use gcc matcher to make warnings prominent
.github/problem-matchers/msvc.json	18532 [workflow] Use MSVC problem matcher for Windows action build
.github/problem-matchers/sphinx.json	20325 [workflow] Use Sphinx problem matcher on docs builds
.github/workflows/build.yml	18532 [workflow] Use MSVC problem matcher for Windows action build	18567 [workflow] Use gcc matcher to make warnings prominent
.github/workflows/coverage.yml	19851 bpo-40474: Updated coverage.yml to better report coverage stats
.github/workflows/deploy-previews.yml	19025 bpo-37860: Enable docs deploy previews through GitHub Actions
.github/workflows/doc.yml	18518 Use a sphinx specific Github action to better show warnings	20325 [workflow] Use Sphinx problem matcher on docs builds
.gitignore	682 bpo-19521: fix parallel build on AIX
.travis.yml	17623 [3.5] bpo-39035: travis: Update image to xenial	19851 bpo-40474: Updated coverage.yml to better report coverage stats
Doc/Makefile	12408 bpo-36345: Doc: make serve uses http.server instead of Tools/scripts/server.py
Doc/bugs.rst	18518 Use a sphinx specific Github action to better show warnings
Doc/c-api/arg.rst	11834 bpo-34235: PyArg_ParseTupleAndKeywords: support required keyword arguments	19397 bpo-40204: Update documentation formatting for Sphinx 3.0	19610 bpo-23980: Improve the docs for format units starting with 'e'
Doc/c-api/buffer.rst	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/c-api/bytearray.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/c-api/bytes.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/c-api/call.rst	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/c-api/capsule.rst	6898 bpo-32414: PyCapsule_Import() now imports submodules if needed.	18004 bpo-39334: FIX: Deprecated sphinx index notations.	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/c-api/complex.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/c-api/concrete.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/c-api/conversion.rst	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/c-api/dict.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/c-api/exceptions.rst	15496 bpo-32847: Add DirectoryNotEmptyError subclass of OSError	18004 bpo-39334: FIX: Deprecated sphinx index notations.	19397 bpo-40204: Update documentation formatting for Sphinx 3.0	20329 bpo-23188: Document that PyErr_SetString, etc. chain exceptions
Doc/c-api/file.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/c-api/float.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/c-api/function.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/c-api/import.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/c-api/init.rst	8023 bpo-34206: Improve docs and test coverage for pre-init functions	18004 bpo-39334: FIX: Deprecated sphinx index notations.	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/c-api/init_config.rst	8023 bpo-34206: Improve docs and test coverage for pre-init functions	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/c-api/intro.rst	11277 bpo-35514: Enhanced the explanation on reference count details	18004 bpo-39334: FIX: Deprecated sphinx index notations.	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/c-api/list.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/c-api/long.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/c-api/mapping.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/c-api/marshal.rst	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/c-api/memory.rst	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/c-api/memoryview.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/c-api/method.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/c-api/module.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/c-api/none.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/c-api/number.rst	9301 bpo-34676: Always return a 2-tuple from divmod() and PyNumber_Divmod().	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/c-api/object.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/c-api/reflection.rst	3640 [PEP 558 - WIP] bpo-30744: Trace hooks no longer reset closure state	19764 bpo-40421: Add PyFrame_GetLastInstr() function
Doc/c-api/sequence.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/c-api/set.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/c-api/structures.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.	19397 bpo-40204: Update documentation formatting for Sphinx 3.0	20290 bpo-39573: Convert Py_TYPE() to a static inline function
Doc/c-api/sys.rst	8046 bpo-33955: Support USE_STACKCHECK on macOS	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/c-api/tuple.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/c-api/type.rst	14066 bpo-37270: Manage memory lifetime for all type-related objects.	18004 bpo-39334: FIX: Deprecated sphinx index notations.	20215 bpo-38787: Clarify docs for PyType_GetModule and warn against common mistake
Doc/c-api/typeobj.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/c-api/unicode.rst	12680 bpo-18697: Update PyUnicode parameter names	15300 bpo-37864: Correct and deduplicate "isprintable" docs; add test.	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/c-api/veryhigh.rst	8023 bpo-34206: Improve docs and test coverage for pre-init functions	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/conf.py	8773 bpo-34398: Allow glossary results to show up on search page	17748 bpo-22593: Automate update of Unicode data version in documentation	19969 bpo-40334: Add the new grammar to the grammar specification documentation
Doc/distributing/index.rst	16822 Improve the Distributing Python Modules and Installing Python Modules documentation
Doc/extending/embedding.rst	4910 bpo-32353: Added docs about Embedding with an frozen module limitation.
Doc/extending/extending.rst	8682 bpo-26515: Update C API docs to use PyModuleDef_Init()	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/extending/newtypes.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/extending/newtypes_tutorial.rst	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/faq/design.rst	19787 bpo-40434: Update the reason why CPython doesn't have switch statements	20017 bpo-40576: Align docs for list.sort and sorted
Doc/faq/general.rst	20325 [workflow] Use Sphinx problem matcher on docs builds
Doc/faq/programming.rst	1158 bpo-30757 pyinstaller added to docs, py2exe ref updated
Doc/faq/windows.rst	1158 bpo-30757 pyinstaller added to docs, py2exe ref updated
Doc/glossary.rst	9523 bpo-34753: Use coroutine object or coroutine function instead of coroutine	15732 bpo-38056: overhaul Error Handlers section in codecs documentation	20272 bpo-29981: Update Index for set, dict, and generator 'comprehensions'
Doc/howto/instrumentation.rst	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/includes/sqlite3/blob.py	271 bpo-24905: Support BLOB incremental I/O in sqlite module
Doc/includes/sqlite3/blob_with.py	271 bpo-24905: Support BLOB incremental I/O in sqlite module
Doc/includes/sqlite3/complete_statement.py	1108 bpo-16379: Expose sqlite error code
Doc/includes/sqlite3/pysqlite_datetime.py	18533 bpo-39652: returning entire sqlite column names
Doc/installing/index.rst	16822 Improve the Distributing Python Modules and Installing Python Modules documentation
Doc/library/2to3.rst	14835 bpo-13272: 2to3 string constants fixer	15268 bpo-5664: 2to3 convert Cookie.Cookie properly	20087 bpo-40697 add fissix as a 3rd party lib2to3 alternative
Doc/library/__future__.rst	19660 bpo-40366: Remove support for passing obsolete flags into compile
Doc/library/__main__.rst	14487 bpo-39452: Improve the __main__ module documentation
Doc/library/_thread.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/library/aifc.rst	3484 bpo-31412: wave.open takes a path-like object
Doc/library/argparse.rst	1698 bpo-30421: Added fromfile_parent_relative parameter + docs to argparse.ArgumentParser	12005 bpo-21150: add quick link/summary table to the top of argparse documentation	12717 bpo-27992: Clarify %(prog)s in argparse help formatter for sys.argv[0]	17369 argparse: improve mutually exclusive groups	17399 Fix error in argparse documentation example	17793 bpo-16399: update argparse's doc of append action	18208 bpo-39467: allow user to deprecate CLI arguments
Doc/library/array.rst	4435 bpo-31956: Add start and stop parameters to array.index()	19800 bpo-40440: memoryview construction of array.array without copy
Doc/library/ast.rst	19031 bpo-39981: Default values for AST nodes	19039 bpo-39989: Output closing parenthesis in ast.dump() on separate line.	19211 bpo-15987: Implement ast.compare	19885 bpo-40484: Document compiler flags under AST module	19899 bpo-39159: Declare errors that might be raised from literal_eval
Doc/library/asyncio-api-index.rst	9523 bpo-34753: Use coroutine object or coroutine function instead of coroutine
Doc/library/asyncio-eventloop.rst	16360 bpo-38267: Add thread timeout parameter to `loop.shutdown_default_executor()`	18664 Document caveats for asyncio add_signal_handler() bpo-39765	20142 [WIP] bpo-38323: Fix MultiLoopChildWatcher hangs
Doc/library/asyncio-policy.rst	20142 [WIP] bpo-38323: Fix MultiLoopChildWatcher hangs
Doc/library/asyncio-queue.rst	14227 bpo-37334: Add a cancel method to asyncio Queues	20071 bpo-40616: Add `asyncio.BufferQueue`
Doc/library/asyncio-stream.rst	16429 bpo-37141: support multiple separators in Stream.readuntil
Doc/library/asyncio-task.rst	15312 bpo-37703: improve asyncio.gather documentation regarding cancellation	16360 bpo-38267: Add thread timeout parameter to `loop.shutdown_default_executor()`
Doc/library/asyncio-tutorial/async-functions.rst	9748 bpo-34831: Asyncio tutorial
Doc/library/asyncio-tutorial/asyncio-cookbook.rst	9748 bpo-34831: Asyncio tutorial
Doc/library/asyncio-tutorial/case-study-chat-client-cli.rst	9748 bpo-34831: Asyncio tutorial
Doc/library/asyncio-tutorial/case-study-chat-server.rst	9748 bpo-34831: Asyncio tutorial
Doc/library/asyncio-tutorial/client05.py	9748 bpo-34831: Asyncio tutorial
Doc/library/asyncio-tutorial/index.rst	9748 bpo-34831: Asyncio tutorial
Doc/library/asyncio-tutorial/pttest.py	9748 bpo-34831: Asyncio tutorial
Doc/library/asyncio-tutorial/running-async-functions.rst	9748 bpo-34831: Asyncio tutorial
Doc/library/asyncio-tutorial/server01.py	9748 bpo-34831: Asyncio tutorial
Doc/library/asyncio-tutorial/server02.py	9748 bpo-34831: Asyncio tutorial
Doc/library/asyncio-tutorial/server03.py	9748 bpo-34831: Asyncio tutorial
Doc/library/asyncio-tutorial/server04.py	9748 bpo-34831: Asyncio tutorial
Doc/library/asyncio-tutorial/server05.py	9748 bpo-34831: Asyncio tutorial
Doc/library/asyncio-tutorial/server20.py	9748 bpo-34831: Asyncio tutorial
Doc/library/asyncio-tutorial/utils01.py	9748 bpo-34831: Asyncio tutorial
Doc/library/asyncio-tutorial/utils20.py	9748 bpo-34831: Asyncio tutorial
Doc/library/asyncio-tutorial/what-asyncio.rst	9748 bpo-34831: Asyncio tutorial
Doc/library/asyncio-tutorial/why-asyncio.rst	9748 bpo-34831: Asyncio tutorial
Doc/library/asyncio.rst	9748 bpo-34831: Asyncio tutorial
Doc/library/base64.rst	2336 bpo-36700: Updated obsolete references for RFC 3548 to RFC 4648
Doc/library/bdb.rst	1687 bpo-30419: DOC: Update missing information in bdb docs	1756 bpo-30429: bdb and pdb: Add watchpoint function	9647 bpo-34856: Make the repr of lambda containing the signature and body expression.
Doc/library/binascii.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/library/bisect.rst	11781 bpo-4356: Add key parameter to functions in bisect module
Doc/library/cgitb.rst	12316 bpo-15749: Fix text formatting in cgitb when display is disabled
Doc/library/cmath.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/library/cmd.rst	13536 bpo-37030: hide undocumented commands in cmd module
Doc/library/codecs.rst	13716 bpo-14014: Clarify StreamWriter.reset() documentation	14747 bpo-30588: document codecs.escape_decode	15732 bpo-38056: overhaul Error Handlers section in codecs documentation
Doc/library/collections.rst	6574 bpo-25478: Add scalar multiplication and division to Counter	20339 bpo-40755: Add missing multiset operations to Counter()
Doc/library/concurrent.futures.rst	707 bpo-29842: Make Executor.map less eager so it handles large/unbounded…	4243 bpo-22281 ENH add introspection API for concurrent.futures Executor	12668 bpo-36512: future_factory argument for Thread/ProcessPoolExecutor	13250 bpo-36780: Add wait_at_exit to ThreadPoolExecutor.shutdown.	18566 bpo-29842: Make Executor.map less eager so it handles large/unbounded…
Doc/library/configparser.rst	2735 bpo-22253: Add support to unnamed sections in ConfigParser	11918 bpo-35954: Convert key to string when accessing ConfigParser	15177 bpo-37779 : Add information about the overriding behavior of ConfigParser.read	18623 bpo-35885: configparser indent
Doc/library/copy.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/library/copyreg.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/library/csv.rst	12071 bpo-36121: Override field_size_limit per csv.reader object
Doc/library/ctypes.rst	19167 doc: fix documented winmode argument default in ctypes CDLL classes.	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/library/curses.rst	13534 bpo-36982: Add support for extended color functions in ncurses 6.1	17825 bpo-39214: Add curses.window.in_wch	19392 bpo-40207: Expose NCURSES_EXT_FUNCS
Doc/library/dataclasses.rst	11371 bpo-35232: Add module and qualname arguments to dataclasses.make_dataclass()	17322 bpo-36077: Update handling of defaulted fields
Doc/library/datetime.rst	5578 WIP: bpo-1100942: Add datetime.time.strptime and datetime.date.strptime	8502 bpo-34249: Full set of format codes applies to strftime only	11529 bpo-35723: Proof of concept for tzidx cache	11594 bpo-30802: strptime() directives %W and %U -- Make weekday optional and assume the first day of the week
Doc/library/dbm.rst	20274 bpo-40563: Support pathlike objects on dbm/shelve
Doc/library/decimal.rst	6121 bpo-26680: Incorporate is_integer in all built-in and standard library numeric types
Doc/library/difflib.rst	18983 bpo-39891: [difflib] add parameter 'ignorecase' to get_close_matches()
Doc/library/dis.rst	15513 bpo-30076: Rename the BUILD_{TUPLE,MAP}_UNPACK_WITH_CALL opcodes	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/library/doctest.rst	19673 bpo-40372: Make doctest example programs exit with code 1 if any test fails
Doc/library/email.mime.rst	17695 bpo-39131 email: add easier support for generating multipart/signed messages
Doc/library/ensurepip.rst	17634 bpo-31046: ensurepip does not honour the value of $(prefix)
Doc/library/enum.rst	19334 Add note about IntEnum gotcha	19762 [3.7] bpo-40025: Require _generate_next_value_ to be defined before members (GH-19098)	19763 [3.8] bpo-40025: Require _generate_next_value_ to be defined before members (GH-19098)	19904 bpo-40025:The behavior is the same when `_generate_next_value_` is defined afte…
Doc/library/exceptions.rst	6461 bpo-12029: Exception handling should match subclasses	11580 bpo-27015: Save kwargs given to exceptions constructor	15496 bpo-32847: Add DirectoryNotEmptyError subclass of OSError	18004 bpo-39334: FIX: Deprecated sphinx index notations.	20253 bpo-39673: Map errno==ETIME to TimeoutError
Doc/library/fcntl.rst	17099 bpo-22367: Add open_file_descriptor parameter to fcntl.lockf()
Doc/library/fileinput.rst	13221 bpo-36865: allow 'rt' mode in FileInput
Doc/library/fnmatch.rst	13039 bpo-36769: Document that fnmatch.filter supports any kind of iterable	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/library/fractions.rst	15327 bpo-37836: support .as_integer_ratio() in Fraction
Doc/library/ftplib.rst	5309 bpo-12706: timeout sentinel in ftplib and poplib documentation
Doc/library/functions.rst	7783 Indicate that abs() method accept argument that implement __abs__(), …	11263 bpo-35105: Document that CPython accepts "invalid" identifiers	15205 bpo-37808: Deprecate passing a single argument to super()	17255 Add return value type of import functions to docs	17857 bpo-39229: fix formatting in library/functions.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.	19553 bpo-40304: remove unnecessary `object` base class from `type` docs	19885 bpo-40484: Document compiler flags under AST module	20000 bpo-34431: Docs does not eval allows code object as argument	20017 bpo-40576: Align docs for list.sort and sorted
Doc/library/glob.rst	16075 bpo-38144: Add the root_dir and dir_fd parameters in glob.glob().
Doc/library/hashlib.rst	15890 bpo-35784: Include optional kwargs in hashlib.new() documentation
Doc/library/hmac.rst	13947 bpo-37218: Change digestmod deprecation notice to versionchanged
Doc/library/http.client.rst	8305 bpo-22708: Upgrade HTTP CONNECT to protocol HTTP/1.1	14880 bpo-1346874: Add 'Expect: 100-Continue' support to httplib	17843 bpo-39224: Document None support for HTTPConnection.timeout	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/library/http.cookies.rst	14781 bpo-37522: Modify the parse of Set-Cookie	19058 bpo-40001: BaseCookie add ignore_errors kwarg to load method	19059 bpo-40002: Fix http.cookies.BaseCookie.load inconsistent errors
Doc/library/http.rst	18029 Link to RFC sections
Doc/library/http.server.rst	5308 bpo-32628: support DirectoryIndex for http server	16884 Clarify, for BaseHTTPRequestHandler, that path includes query
Doc/library/idle.rst	5541 bpo-5594: IDLE startup configuration	15169 bpo-21261: IDLE shell auto-completion of dict keys	15211 bpo-37827: IDLE shell handling of \r and \b control chars	17093 bpo-27465: Make IDLE help source menu entries unique and sorted
Doc/library/imp.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/library/importlib.rst	10016 bpo-37800: Clean up importlib documentation for some module attributes	15190 bpo-35181: Correct importlib documentation for some module attributes	17255 Add return value type of import functions to docs	19005 Small tweak for importlib.resources
Doc/library/index.rst	18272 bpo-39498 Start linking the security warnings in the stdlib modules
Doc/library/inspect.rst	6992 bpo-17972: Document `findsource` in inspect.rst	11590 bpo-35759: add introspection API for asynchronous generators	14579 bpo-37497: Add inspect.Signature.from_text().	15359 bpo-19820: Updated documentation for inspect module: some module attributes were…	16600 bpo-38364: unwrap partialmethods just like we unwrap partials	19261 bpo-29418: Implement inspect.ismethodwrapper and fix inspect.isroutine for cases where methodwrapper is given	19874 bpo-39990: try resolving type hints in pydoc
Doc/library/internet.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/library/interpreters.rst	18817 bpo-32604: Multiple Interpreters in the Stdlib (PEP 554)
Doc/library/io.rst	7947 bpo-32475: Add argument to peek() into I/O buffer without reading
Doc/library/itertools.rst	19732 Update `combinations` docs
Doc/library/json.rst	830 bpo-20774: Add a JSON serializer to collections.deque	1558 bpo-30343: New API for JSON encoder to override supported types	19197 bpo-40090: change of documentation for json library module to update for the correct rfc.
Doc/library/linecache.rst	18210 bpo-39468: better .python_history write permission handling
Doc/library/locale.rst	15275 bpo-34311: Add locale.localize	18004 bpo-39334: FIX: Deprecated sphinx index notations.	18142 bpo-17659: Add locale.getfirstweekday	18183 Document func parameter of locale.atof
Doc/library/mailbox.rst	804 bpo-22319: mailbox.MH now supports folders withou the ".mh_sequences"…	4770 bpo-32234: Context manager available for mailbox instances
Doc/library/marshal.rst	8293 bpo-34093: Stablize FLAG_REF usage (two-pass version)	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/library/mimetypes.rst	2871 bpo-31040: Add warning note about mimetypes.add_type ext argument format	16567 bpo-34938: mimetypes.init() does not overwrite globals
Doc/library/mmap.rst	14133 bpo-37308: Fix possible mojibake in mmap.mmap() when using the tagname param	14513 bpo-37471: mmap module adding FreeBSD specific flag into the constants	20061 bpo-40611: Adds MAP_POPULATE to the mmap library
Doc/library/multiprocessing.rst	5195 bpo-32146: multiprocessing freeze_support needed outside win32	9627 bpo-34837: Multiprocessing.Pool API Extension - Pass Data to Workers w/o Globals	9959 bpo-28053: Complete and fix custom reducers in multiprocessing.	10441 bpo-22393: Fix multiprocessing.Pool hangs if a worker process dies unexpectedly	15058 bpo-28053: Allow custom reducer when using multiprocessing	18170 Update documentation for mp.get_start_method
Doc/library/netrc.rst	127 bpo-28806: Improve the netrc library	17823 bpo-11416: handle multiple .netrc entries per host
Doc/library/numbers.rst	6121 bpo-26680: Incorporate is_integer in all built-in and standard library numeric types
Doc/library/os.path.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.	18841 bpo-39899: Make pathlib use `os.path.expanduser()` to expand home directories	20138 bpo-26329: update os.path.normpath documentation
Doc/library/os.rst	5713 bpo-32862: Make os.dup2(fd, fd) a no-op for valid fd	18004 bpo-39334: FIX: Deprecated sphinx index notations.	18516 bpo-39640: os.fdatasync: fall back to fsync() on POSIX systems withou…	18668 bpo-39759: fixed os.getenv docs	19024 documentation: clarification about the function remove in os library	19125 bpo-39533: Use `statx` on more recent Linux to expose `st_flags` and `st_btime` on all platforms	19702 bpo-40376: slightly improved the wording for os.getgrouplist	20336 bpo-37129: Add os.RWF_APPEND flag for os.pwritev
Doc/library/othergui.rst	20149 Update the bindings for Qt information with PySide2
Doc/library/parser.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/library/pathlib.rst	10349 bpo-22276: Fix pathlib.Path.glob not to ignore trailing path separator	12785 bpo-36602: Allow pathlib.Path.iterdir to list recursively	14022 bpo-37130: Path('..').name now returns ''	18841 bpo-39899: Make pathlib use `os.path.expanduser()` to expand home directories	18864 bpo-39906: add follow_symlinks parameter to pathlib.Path.stat() and chmod()	18909 bpo-39950: add `pathlib.Path.hardlink_to()` method that supersedes `link_to()`	19611 bpo-23082: Better error message for PurePath.relative_to() from pathlib	19813 bpo-40358: add strict param to pathlib.PurePath.relative_to
Doc/library/pdb.rst	1756 bpo-30429: bdb and pdb: Add watchpoint function	2399 bpo-30761: pdb: Add step/next count argument	10799 bpo-35353: Added 'frame' command to pdb	17011 pdb doc - workaround for double semicolon in strings	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/library/pickle.rst	2821 bpo-26579: Add object.__getstate__().	9647 bpo-34856: Make the repr of lambda containing the signature and body expression.
Doc/library/plistlib.rst	18622 bpo-39732: encode UIDs in XML as CF$UID
Doc/library/poplib.rst	5309 bpo-12706: timeout sentinel in ftplib and poplib documentation
Doc/library/posix.rst	12587 bpo-31341: remove more SGI IRIX-specific codes	18004 bpo-39334: FIX: Deprecated sphinx index notations.	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/library/pprint.rst	1008 bpo-29996: The width of the terminal is now used as default width in pprint()	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/library/profile.rst	5887 bpo-32017: Document differences between profile.Profile and cProfile.Profile
Doc/library/pty.rst	4167 bpo-26228: pty.spawn hangs on FreeBSD, OS X, and Solaris	12049 bpo-26228: Fix pty EOF handling
Doc/library/pwd.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/library/py_compile.rst	17134 bpo-40456: add quiet mode for py_compile main
Doc/library/pyclbr.rst	18103 bpo-39411: pyclbr rewrite on AST
Doc/library/pyexpat.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/library/re.rst	17470 bpo-38975: Add dedicated anchor for regexp syntax elements	17501 bpo-38981: Rename re.error to re.ReCompileError for better readability.
Doc/library/resource.rst	16804 bpo-38480: resource.setrlimit() should raise PermissionError
Doc/library/rlcompleter.rst	19957 bpo-40529: rlcompleter with case insensitive
Doc/library/runpy.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.	18416 Update runpy.rst
Doc/library/sched.rst	13862 bpo-37174: Fix bug in sched.py and add cancel_all() method.
Doc/library/security_warnings.rst	18272 bpo-39498 Start linking the security warnings in the stdlib modules
Doc/library/select.rst	4798 bpo-29247: Document return value of epoll.poll()	16832 bpo-38580: Document that select() accepts iterables, not just sequences
Doc/library/selectors.rst	2562 bpo-30844: selectors: add urgent data to read event	11193 bpo-35517: selector.EpollSelector: add new parameter to support extra events
Doc/library/shelve.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.	19639 bpo-34204: Use pickle.DEFAULT_PROTOCOL in shelve
Doc/library/shlex.rst	2799 bpo-24869: Add startline and endline attributes to the tokens returned by shlex	10871 bpo-25567: Add the support of bytes in quotes.	13333 bpo-26124: Add note for shlex.quote()
Doc/library/shutil.rst	10367 bpo-22021: Update root_dir and base_dir documentation in shutil	15811 bpo-18108: Adding dir_fd and follow_symlinks keyword args to shutil.chown	16575 bpo-37700: Raise a shutil.SpecialFileError when copying a Unix socket	16797 bpo-38288: adding strict_timestamps keyword arg to shutil.make_archive	20032 bpo-40589: Add versionchanged note for shutil.rmtree and path-like objs
Doc/library/site.rst	17414 bpo-38937: exec lines from .pth files in a copy of the site.py globals	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/library/smtplib.rst	5176 bpo-28879: Add Date header if missing in smtplib send_message	8303 bpo-32814: Handle 8BITMIME availabilty in smtplib.SMTP.send_message	12148 bpo-29539: Implementation to return all mta status codes
Doc/library/socket.rst	3072 bpo-12887 and bpo-14345: Document the availability and uses of the SO_ constants. Document SOL_SOCKET	4181 bpo-31739: Fixed socket documentation to use with statement for socket examples.	18004 bpo-39334: FIX: Deprecated sphinx index notations.	19397 bpo-40204: Update documentation formatting for Sphinx 3.0	20029 bpo-31203: Expose IP_PKTINFO in the socket module
Doc/library/socketserver.rst	5258 bpo-32608: Adding a server into socketserver that handles client connection in new "multiprocessing.Process" processes.	11875 bpo-36003: change socketserver.TCPServer reuse_addr and backlog default options	19147 bpo-40057: Document some class attributes not mentioned in socketserver doc
Doc/library/sqlite3.rst	271 bpo-24905: Support BLOB incremental I/O in sqlite module	1108 bpo-16379: Expose sqlite error code	17413 bpo-37347: Require SQLite 3.7.3+	17768 bpo-39170: Sqlite3 row_factory for attribute access: sqlite3.NamedRow	20330 bpo-40744: Drop support for SQLite3 pre v3.7.3
Doc/library/ssl.rst	2449 bpo-16487: allow certificates to be specified from memory	5266 bpo-27815: Make SSL suppress_ragged_eofs default more secure	17938 bpo-18233: Add SSLSocket.get_verified_chain() and SSLSocket.get_unverified_chain()	18011 bpo-39342: Expose X509_V_FLAG_ALLOW_PROXY_CERTS in ssl module	18484 bpo-39616: clarify SSLContext.check_hostname effect	19253 bpo-40127: SSL library documentation	19407 [3.8] Document missing methods of ssl.SSLObject (GH-19400)
Doc/library/stat.rst	19125 bpo-39533: Use `statx` on more recent Linux to expose `st_flags` and `st_btime` on all platforms
Doc/library/statistics.rst	16813 bpo-38490: statistics: Add covariance, Pearson's correlation, and simple linear regression
Doc/library/stdtypes.rst	771 bpo-29882: Add an efficient popcount method for integers	1709 bpo-23560: DOC:Add summary table for str methods in stdtypes.rst	3237 bpo-27923: Minor API improvements for binary sequences (PEP 467)	6121 bpo-26680: Incorporate is_integer in all built-in and standard library numeric types	13445 bpo-36906: Add str.dedent and cache it at compile time	15300 bpo-37864: Correct and deduplicate "isprintable" docs; add test.	16254 bpo-18236: Adjust str.isspace to use Unicode's White_Space property.	16741 Doc: printf-style library/stdtype improvements	17748 bpo-22593: Automate update of Unicode data version in documentation	17911 bpo-39267: Fix dict's __missing__ documentation	18004 bpo-39334: FIX: Deprecated sphinx index notations.	18463 bpo-39610: Raise TypeError for len(memoryview_0d)	19397 bpo-40204: Update documentation formatting for Sphinx 3.0	20017 bpo-40576: Align docs for list.sort and sorted	20027 bpo-23677: Mention dict and set comprehension in stdtypes	20272 bpo-29981: Update Index for set, dict, and generator 'comprehensions'	20347 bpo-39301: State that floor division is used for right shift operations
Doc/library/string.rst	11270 bpo-27772: Make preciding width with 0 valid in string format.	11405 bpo-35638: Introduce fixed point locale aware format type	17502 Update string.rst	19332 Add note in docs regarding uppercase 'X' specifier
Doc/library/struct.rst	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/library/subprocess.rst	18272 bpo-39498 Start linking the security warnings in the stdlib modules	20283 bpo-40707: Document that Popen.communicate sets the returncode attribute
Doc/library/sunau.rst	3484 bpo-31412: wave.open takes a path-like object
Doc/library/symbol.rst	20364 bpo-40759: Deprecate the symbol module
Doc/library/sys.rst	5279 bpo-30491: Add unawaited coroutine tracking mode	8755 bpo-34392: Add sys.isinterned().	9826 bpo-23892: Introduce sys.implementation.opt_levels	12632 bpo-36485: Add sys.clear_caches().	13300 bpo-30535: Explicitly note that sys.meta_path is not empty	14773 bpo-24053: Add EXIT_SUCCESS and EXIT_FAILURE values in the sys module	18004 bpo-39334: FIX: Deprecated sphinx index notations.	20332 bpo-1294959: Try to clarify the meaning of platlibdir
Doc/library/tarfile.rst	2962 bpo-26253: Add compressionlevel to tarfile stream	5397 bpo-32695: Add docs and tests for compresslevel and preset in tarfile	10714 bpo-35227: Add support for file objects of unknown size to tarfile	15244 bpo-21109: Add SafeTarFile
Doc/library/tempfile.rst	3249 bpo-26175: Fix SpooledTemporaryFile IOBase abstract	6418 bpo-33239: Change Signature of TemporaryFile, NamedTemporaryFile, and SpooledTemporaryFile and add documentation.	14292 bpo-37302: Add an "onerror" callback parameter to the tempfile.TemporaryDirectory member functions
Doc/library/test.rst	5774 bpo-32843: Additional changes to test.support docs	13407 bpo-36950: Add run_until in test.support.script_helper	14331 bpo-37382: check for debug info before testing GDB	15881 bpo-7982: Modify captured_output to allow diferent encodings	20263 bpo-40275: Adding a threading_helper in test.support
Doc/library/threading.rst	18129 Minor change on threading.Thread.native_id documentation.
Doc/library/timeit.rst	1161 bpo-30080: Add the --duplicate option for CLI of timeit.	12953 bpo-36461: Added the total_time parameter to the timeit.autorange() function.	12954 bpo-36461: timeit - Additional changes for autorange
Doc/library/tk.rst	6990 bpo-33479: Remove unqualified tkinter threadsafe claim.	7287 bpo-33479: Tkinter docs
Doc/library/tkinter.rst	4786 bpo-13553: Document tkinter.Tk args	7287 bpo-33479: Tkinter docs
Doc/library/traceback.rst	13359 bpo-36927: Improve the docstring and Doc of traceback.	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/library/tty.rst	19440 bpo-40229 tty unblocking setraw and save-restore features
Doc/library/types.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/library/unicodedata.rst	17748 bpo-22593: Automate update of Unicode data version in documentation
Doc/library/unittest.mock-examples.rst	16090 bpo-38157: Add example about per file output for mock_open.	16859 bpo: Improve documentation for mocks
Doc/library/unittest.mock.rst	9647 bpo-34856: Make the repr of lambda containing the signature and body expression.	16094 bpo-17013: New mock to wait for multi-threaded events to happen	16859 bpo: Improve documentation for mocks
Doc/library/unittest.rst	12271 bpo-4080: unittest durations	12798 bpo-36612: Edit unittest.rst on SetUpClass calls	18067 bpo-39385: Add an assertNoLogs context manager to unittest.TestCase
Doc/library/urllib.parse.rst	3901 bpo-31706: Make urlencode accept generators as value	12368 bpo-35100: add unquote_to_bytes_plus to the urllib.parse module	15642 bpo-37969: Correct urllib.parse functions dropping the delimiters of empty URI components	16903 bpo-38567: Handle bytes as input to urllib.parse.unquote_plus	18631 bpo-37970: Added documentation fixes	19945 bpo-18857: urlencode: Add flag to prevent rendering NoneType values as literal string 'None'	19949 bpo-18857: parse_qs*: Add flag to allow parsing NoneType values from serialized query-strings
Doc/library/urllib.request.rst	10616 bpo-25439: Added additional type checks to urllib.request.Request	11637 [DOC] urllib.request: Explain how works Basic HTTP Authentication	18029 Link to RFC sections	19588 bpo-40321: Support HTTP response status code 308 in urllib.request	20197 bpo-40674: Deprecate urllib.request.urlretrieve() and cleanup()
Doc/library/warnings.rst	9358 bpo-34624: Allow regex for module passed via -W or PYTHONWARNINGS
Doc/library/wave.rst	3484 bpo-31412: wave.open takes a path-like object
Doc/library/wsgiref.rst	20262 bpo-40700: make WSGIRequestHandler can use an easy way to replace the ServerHandler
Doc/library/xml.etree.elementtree.rst	5251 bpo-32476 : Add concat function for ElementTree find	19921 bpo-36543: Restore cElementTree and mark it for removal in 3.10	20117 bpo-36543: Revert "bpo-36543: Remove the xml.etree.cElementTree module."
Doc/library/zipfile.rst	5472 bpo-32742: use infolist for zipfile.ZipFile.extractall	5534 bpo-32728: Add compresslevel support for zipfile and LZMA	15401 bpo-37921: Better handle symlinks in the zipfile module
Doc/library/zlib.rst	17048 bpo-38687: Expose zlib 'adler32_combine' function to Python zlib module
Doc/license.rst	17635 [WIP] bpo-39883: Use BSD0 license for code in docs	19972 bpo-2716: add license for audioop module
Doc/make.bat	12408 bpo-36345: Doc: make serve uses http.server instead of Tools/scripts/server.py
Doc/reference/compound_stmts.rst	11625 bpo-35790: Correct a statement about sys.exc_info() values restoration in the docs	17921 Further improve clarity of try-return-finally-return	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/reference/datamodel.rst	7987 bpo-6761: Fix __call__ documentation	15328 bpo-37836: document as_integer_ratio() in the data model	17911 bpo-39267: Fix dict's __missing__ documentation	18004 bpo-39334: FIX: Deprecated sphinx index notations.	18111 bpo-39416: Document some restrictions on the default string representations of numeric classes	18527 Improve base method overriding explanation for comparison and numeric methods	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/reference/executionmodel.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/reference/expressions.rst	6766 bpo-33346: Allow async comprehensions inside implicit async comprehensions.	18004 bpo-39334: FIX: Deprecated sphinx index notations.	18851 bpo-39868: Add the documentation for Assignment Expressions (PEP 572).	20272 bpo-29981: Update Index for set, dict, and generator 'comprehensions'
Doc/reference/grammar.rst	19969 bpo-40334: Add the new grammar to the grammar specification documentation
Doc/reference/import.rst	12490 bpo-36375: PEP 499 implementation: "python -m foo" binds the main module as both __main__ and foo in sys.modules	15190 bpo-35181: Correct importlib documentation for some module attributes	19097 bpo-21760: fix __file__ description
Doc/reference/lexical_analysis.rst	17508 Update lexical_analysis.rst	17710 Fixed incorrect unicodedata version in lexical_analysis.rst footnote	17748 bpo-22593: Automate update of Unicode data version in documentation
Doc/reference/simple_stmts.rst	13232 Mention with and except clauses in globals()	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/reference/toplevel_components.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/tools/extensions/glossary_search.py	8773 bpo-34398: Allow glossary results to show up on search page
Doc/tools/extensions/peg_highlight.py	19969 bpo-40334: Add the new grammar to the grammar specification documentation
Doc/tools/extensions/pyspecific.py	19470 bpo-40254: Have pyspecific directives translatable
Doc/tools/extensions/unidata_version.py	17748 bpo-22593: Automate update of Unicode data version in documentation
Doc/tools/susp-ignored.csv	11781 bpo-4356: Add key parameter to functions in bisect module
Doc/tools/templates/search.html	8773 bpo-34398: Allow glossary results to show up on search page
Doc/tutorial/classes.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/tutorial/controlflow.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.	20334 bpo-40640: Tutorial for Continue missing ... line
Doc/tutorial/datastructures.rst	20017 bpo-40576: Align docs for list.sort and sorted
Doc/tutorial/errors.rst	16269 Doc: errors tutorial improvements	17921 Further improve clarity of try-return-finally-return
Doc/tutorial/inputoutput.rst	16251 Doc: inputoutput tutorial improvements	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/tutorial/modules.rst	12632 bpo-36485: Add sys.clear_caches().	16974 bpo-38623: Add note about site module (site-packages)	18004 bpo-39334: FIX: Deprecated sphinx index notations.	18677 bpo-39774: docs for make package executable
Doc/tutorial/stdlib.rst	18004 bpo-39334: FIX: Deprecated sphinx index notations.
Doc/using/cmdline.rst	12107 bpo-33944: Add site.py debugging via PYTHONSITEDEBUG	12110 bpo-33944: Add site.py site-packages tracing in verbose mode	13208 bpo-29779: New environment variable PYTHONHISTORY	16910 Fix cmdline doc to make '-m timeit' consistent with other parts of th…	18685 bpo-39712: Add doc references for env. vars and -X command line options
Doc/using/windows.rst	20281 bpo-30612: Tweak Windows registry path syntax in the docs
Doc/whatsnew/2.2.rst	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/whatsnew/2.3.rst	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/whatsnew/2.4.rst	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/whatsnew/2.5.rst	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/whatsnew/2.6.rst	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/whatsnew/2.7.rst	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/whatsnew/3.10.rst	20290 bpo-39573: Convert Py_TYPE() to a static inline function
Doc/whatsnew/3.3.rst	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/whatsnew/3.7.rst	1161 bpo-30080: Add the --duplicate option for CLI of timeit.	2562 bpo-30844: selectors: add urgent data to read event	2821 bpo-26579: Add object.__getstate__().	3237 bpo-27923: Minor API improvements for binary sequences (PEP 467)	3606 bpo-28411: Remove PyInterpreterState.modules.	15211 bpo-37827: IDLE shell handling of \r and \b control chars	19397 bpo-40204: Update documentation formatting for Sphinx 3.0
Doc/whatsnew/3.8.rst	779 bpo-27572: Deprecate using bytes-like objects in builtins.	5258 bpo-32608: Adding a server into socketserver that handles client connection in new "multiprocessing.Process" processes.	5578 WIP: bpo-1100942: Add datetime.time.strptime and datetime.date.strptime	6271 bpo-33159: Add name attribute to NameError	9647 bpo-34856: Make the repr of lambda containing the signature and body expression.	10159 bpo-14856: Deprecate using add_parser() to overwrite an existing subparser	10349 bpo-22276: Fix pathlib.Path.glob not to ignore trailing path separator	11875 bpo-36003: change socketserver.TCPServer reuse_addr and backlog default options	12271 bpo-4080: unittest durations	12632 bpo-36485: Add sys.clear_caches().	13208 bpo-29779: New environment variable PYTHONHISTORY	13534 bpo-36982: Add support for extended color functions in ncurses 6.1	15211 bpo-37827: IDLE shell handling of \r and \b control chars	17648 make it clear that memfd_create() is linux specific.	20264 bpo-40217: Rework "Ensure Py_VISIT(Py_TYPE(self)) is always called for PyType_FromSpec types (GH-19414)"
Doc/whatsnew/3.9.rst	1735 bpo-30274: Rename 'name' to 'fullname' argument to ExtensionFileLoader.	8046 bpo-33955: Support USE_STACKCHECK on macOS	8562 bpo-31844: Remove _markupbase.ParserBase.error()	9301 bpo-34676: Always return a 2-tuple from divmod() and PyNumber_Divmod().	12271 bpo-4080: unittest durations	14292 bpo-37302: Add an "onerror" callback parameter to the tempfile.TemporaryDirectory member functions	15205 bpo-37808: Deprecate passing a single argument to super()	15513 bpo-30076: Rename the BUILD_{TUPLE,MAP}_UNPACK_WITH_CALL opcodes	15609 bpo-15999: Accept arbitrary values for boolean parameters.	15636 [3.10] bpo-37999: No longer use __int__ in implicit integer conversions.	16075 bpo-38144: Add the root_dir and dir_fd parameters in glob.glob().	16613 bpo-28869: Set up inheritance registry in ABCMeta.__init__.	16804 bpo-38480: resource.setrlimit() should raise PermissionError	17099 bpo-22367: Add open_file_descriptor parameter to fcntl.lockf()	17536 bpo-36982: Add support for extended color functions in ncurses 6.1	17825 bpo-39214: Add curses.window.in_wch	17997 bpo-37751: Document the change in What's New in Python 3.9	18849 bpo-39902: support equality comparisons in dis.Bytecode	19031 bpo-39981: Default values for AST nodes	19211 bpo-15987: Implement ast.compare	19261 bpo-29418: Implement inspect.ismethodwrapper and fix inspect.isroutine for cases where methodwrapper is given	19392 bpo-40207: Expose NCURSES_EXT_FUNCS	19639 bpo-34204: Use pickle.DEFAULT_PROTOCOL in shelve	19660 bpo-40366: Remove support for passing obsolete flags into compile	19764 bpo-40421: Add PyFrame_GetLastInstr() function	19921 bpo-36543: Restore cElementTree and mark it for removal in 3.10	20117 bpo-36543: Revert "bpo-36543: Remove the xml.etree.cElementTree module."	20264 bpo-40217: Rework "Ensure Py_VISIT(Py_TYPE(self)) is always called for PyType_FromSpec types (GH-19414)"	20332 bpo-1294959: Try to clarify the meaning of platlibdir	20364 bpo-40759: Deprecate the symbol module
Grammar/python.gram	20106 bpo-40334: Produce better error messages on invalid targets
Include/Python.h	12587 bpo-31341: remove more SGI IRIX-specific codes
Include/bltinmodule.h	14066 bpo-37270: Manage memory lifetime for all type-related objects.
Include/bytes_methods.h	3237 bpo-27923: Minor API improvements for binary sequences (PEP 467)
Include/ceval.h	3640 [PEP 558 - WIP] bpo-30744: Trace hooks no longer reset closure state	5279 bpo-30491: Add unawaited coroutine tracking mode
Include/code.h	18326 bpo-39537 New line number table format
Include/compile.h	19660 bpo-40366: Remove support for passing obsolete flags into compile
Include/coreconfig.h	9693 bpo-2506: Experiment with adding a "-X noopt" flag
Include/cpython/abstract.h	14735 bpo-37562 Refactor _PyObject_Vectorcall to improve performance a bit.	15144 bpo-37774: use Py_LIKELY/Py_UNLIKELY for vectorcall	18413 bpo-39583: Remove superfluous "extern C" bits from Include/cpython/*.h	19133 bpo-40052: Fix alignment issue in PyVectorcall_Function()
Include/cpython/bytesobject.h	19232 bpo-40120: Fix unbounded struct char[] undefined behavior.
Include/cpython/ceval.h	18413 bpo-39583: Remove superfluous "extern C" bits from Include/cpython/*.h
Include/cpython/dictobject.h	18413 bpo-39583: Remove superfluous "extern C" bits from Include/cpython/*.h
Include/cpython/fileobject.h	18413 bpo-39583: Remove superfluous "extern C" bits from Include/cpython/*.h
Include/cpython/frameobject.h	3640 [PEP 558 - WIP] bpo-30744: Trace hooks no longer reset closure state	18413 bpo-39583: Remove superfluous "extern C" bits from Include/cpython/*.h	19764 bpo-40421: Add PyFrame_GetLastInstr() function
Include/cpython/import.h	18413 bpo-39583: Remove superfluous "extern C" bits from Include/cpython/*.h
Include/cpython/initconfig.h	18413 bpo-39583: Remove superfluous "extern C" bits from Include/cpython/*.h
Include/cpython/interpreteridobject.h	18413 bpo-39583: Remove superfluous "extern C" bits from Include/cpython/*.h
Include/cpython/listobject.h	18413 bpo-39583: Remove superfluous "extern C" bits from Include/cpython/*.h	19975 bpo-30459: Cast the result of PyList_SET_ITEM() to void
Include/cpython/object.h	14066 bpo-37270: Manage memory lifetime for all type-related objects.	18413 bpo-39583: Remove superfluous "extern C" bits from Include/cpython/*.h	20058 bpo-39465: Fix _PyUnicode_FromId() for subinterpreters
Include/cpython/objimpl.h	18413 bpo-39583: Remove superfluous "extern C" bits from Include/cpython/*.h
Include/cpython/pyerrors.h	11580 bpo-27015: Save kwargs given to exceptions constructor	16856 bpo-38530: Offer suggestions on AttributeError	18413 bpo-39583: Remove superfluous "extern C" bits from Include/cpython/*.h
Include/cpython/pylifecycle.h	18413 bpo-39583: Remove superfluous "extern C" bits from Include/cpython/*.h	19562 bpo-40288: atexit supports more than once loading per interpreter
Include/cpython/pymem.h	18413 bpo-39583: Remove superfluous "extern C" bits from Include/cpython/*.h
Include/cpython/pystate.h	8046 bpo-33955: Support USE_STACKCHECK on macOS	18413 bpo-39583: Remove superfluous "extern C" bits from Include/cpython/*.h	19829 bpo-32604: [_xxsubinterpreters] Add channel_send_wait().	20012 bpo-40572: [_xxsubinterpreters] Add a way to request basic operations in another interpreter.	20181 bpo-39026: Allow relative include paths
Include/cpython/sysmodule.h	18413 bpo-39583: Remove superfluous "extern C" bits from Include/cpython/*.h
Include/cpython/traceback.h	18413 bpo-39583: Remove superfluous "extern C" bits from Include/cpython/*.h
Include/cpython/tupleobject.h	18413 bpo-39583: Remove superfluous "extern C" bits from Include/cpython/*.h	19975 bpo-30459: Cast the result of PyList_SET_ITEM() to void
Include/cpython/unicodeobject.h	12409 bpo-36346: Prepare for removing the legacy Unicode C API.	18413 bpo-39583: Remove superfluous "extern C" bits from Include/cpython/*.h
Include/datetime.h	11529 bpo-35723: Proof of concept for tzidx cache
Include/descrobject.h	3640 [PEP 558 - WIP] bpo-30744: Trace hooks no longer reset closure state	14066 bpo-37270: Manage memory lifetime for all type-related objects.
Include/dictobject.h	4901 bpo-31954: Reuse oldkeys if oldkeys->dk_size == newsize. (alt)
Include/errcode.h	19346 bpo-40176: Improve error messages for unclosed string literals
Include/exports.h	19215 bpo-40102: Improve XLC support for attributes
Include/fileutils.h	1927 bpo-30555: Fix WindowsConsoleIO errors in the presence of fd redirection
Include/genobject.h	5279 bpo-30491: Add unawaited coroutine tracking mode
Include/internal/pycore_ceval.h	3640 [PEP 558 - WIP] bpo-30744: Trace hooks no longer reset closure state
Include/internal/pycore_frameobject.h	3640 [PEP 558 - WIP] bpo-30744: Trace hooks no longer reset closure state
Include/internal/pycore_gc.h	20247 bpo-40521: Make tuple free list per-interpreter
Include/internal/pycore_interp.h	19562 bpo-40288: atexit supports more than once loading per interpreter	20012 bpo-40572: [_xxsubinterpreters] Add a way to request basic operations in another interpreter.	20058 bpo-39465: Fix _PyUnicode_FromId() for subinterpreters	20085 [WIP] bpo-40521: Per-interpreter interned strings	20247 bpo-40521: Make tuple free list per-interpreter
Include/internal/pycore_pathconfig.h	15555 bpo-23878: Remove the key parameter of _Py_FindEnvConfigValue()
Include/internal/pycore_pylifecycle.h	18301 [WIP] bpo-39511: Add Py_GetNone() and Py_GetNoneRef() functions	20247 bpo-40521: Make tuple free list per-interpreter
Include/internal/pycore_pystate.h	17575 bpo-36225: Finalise subinterpreters in Py_FinalizeEx()	18301 [WIP] bpo-39511: Add Py_GetNone() and Py_GetNoneRef() functions
Include/internal/pycore_runtime.h	20058 bpo-39465: Fix _PyUnicode_FromId() for subinterpreters
Include/internal/pycore_suggestions.h	16856 bpo-38530: Offer suggestions on AttributeError
Include/listobject.h	3915 [WIP] bpo-31165: Call PyList_New() again if the source container was resized due to GC.
Include/longobject.h	15636 [3.10] bpo-37999: No longer use __int__ in implicit integer conversions.
Include/methodobject.h	14066 bpo-37270: Manage memory lifetime for all type-related objects.
Include/modsupport.h	11834 bpo-34235: PyArg_ParseTupleAndKeywords: support required keyword arguments	17298 bpo-38823: Add a private _PyModule_StealObject API.	18609 bpo-20291: varargs support for argument clinic and refactor print with AC
Include/object.h	2821 bpo-26579: Add object.__getstate__().	3616 bpo-31465: allow _PyType_Lookup() to raise exceptions	8576 bpo-34284: Nonsensical exception message when calling `__new__` on non-instantiable objects	12607 bpo-35983: improve and test old trashcan macros	18301 [WIP] bpo-39511: Add Py_GetNone() and Py_GetNoneRef() functions	19474 bpo-40255: Implement Immortal Instances	19958 [WIP] bpo-40533: Make PyObject.ob_refcnt atomic in subinterpreters	20290 bpo-39573: Convert Py_TYPE() to a static inline function
Include/opcode.h	6132 bpo-33092: Better bytecodes for f-strings	15513 bpo-30076: Rename the BUILD_{TUPLE,MAP}_UNPACK_WITH_CALL opcodes
Include/pyerrors.h	6271 bpo-33159: Add name attribute to NameError	15496 bpo-32847: Add DirectoryNotEmptyError subclass of OSError	16856 bpo-38530: Offer suggestions on AttributeError	17981 Redefine snprintf only for msvc
Include/pyexpat.h	9265 [WIP] bpo-17239: XML entity expansion limitation
Include/pymacro.h	15144 bpo-37774: use Py_LIKELY/Py_UNLIKELY for vectorcall
Include/pymath.h	8802 bpo-34423: Fix check for overflow when casting from a double to integral types.	17933 bpo-39277, pytime: Fix overflow check on double to int cast
Include/pyport.h	9004 bpo-19569: Add a macro to suppress deprecation warnings (counterpart of Py_DEPRECATED())	15090 bpo-19692: Rename Py_SAFE_DOWNCAST to _Py_DOWNCAST	18313 bpo-28312: Provide a message better suited to AIX when LONG_BIT definition is wrong	19215 bpo-40102: Improve XLC support for attributes
Include/pystate.h	3606 bpo-28411: Remove PyInterpreterState.modules.	5279 bpo-30491: Add unawaited coroutine tracking mode
Include/pythonrun.h	8046 bpo-33955: Support USE_STACKCHECK on macOS
Include/pythread.h	4060 bpo-31828: make Py_tss_NEEDS_INIT usable in non-static initialisers	14578 bpo-15500: Export threading.Thread() names to the OS	19008 bpo-39948: Fix compatibility with Mac OS X 10.4 and 10.5	19829 bpo-32604: [_xxsubinterpreters] Add channel_send_wait().
Include/pytime.h	18371 bpo-33351: Patches to build on clang-cl
Include/structmember.h	14066 bpo-37270: Manage memory lifetime for all type-related objects.
LICENSE	17635 [WIP] bpo-39883: Use BSD0 license for code in docs
Lib/__future__.py	19660 bpo-40366: Remove support for passing obsolete flags into compile
Lib/__init__.py	18727 bpo-10572: Moving tests - clean start - tkinter, sqlite3, ctypes
Lib/_collections_abc.py	17278 bpo-17306: Add class-level docstrings to collections.abc
Lib/_compat_pickle.py	14710 bpo-27379: In order to keep backward compatibility, update SocketType's type	15496 bpo-32847: Add DirectoryNotEmptyError subclass of OSError
Lib/_dummy_thread.py	2681 bpo-25516: Fix Condition._is_owned() is when using threading.Lock
Lib/_markupbase.py	8562 bpo-31844: Remove _markupbase.ParserBase.error()	17643 bpo-34480: fix bug where match variable is used prior to being defined
Lib/_py_abc.py	14126 bpo-28869: Set class module to caller module in ABCMeta.__new__	16613 bpo-28869: Set up inheritance registry in ABCMeta.__init__.
Lib/_pydecimal.py	6121 bpo-26680: Incorporate is_integer in all built-in and standard library numeric types	11405 bpo-35638: Introduce fixed point locale aware format type
Lib/_pyio.py	12038 Fix Lib/posixmodule.c compilation with clang on OSX	14013 bpo-28459: Fix _pyio on Cygwin where the msvcrt module is not built	19481 PEP 597: Raise a warning when encoding is omitted
Lib/_strptime.py	5578 WIP: bpo-1100942: Add datetime.time.strptime and datetime.date.strptime	11594 bpo-30802: strptime() directives %W and %U -- Make weekday optional and assume the first day of the week	12632 bpo-36485: Add sys.clear_caches().	12639 bpo-36485: Add the cachesreg module.	13408 bpo-36959: Fix checks for invalid ISO date formats in _strptime	13428 bpo-36967: Eliminate unnecessary check in _strptime when determining AM/PM
Lib/_weakrefset.py	2821 bpo-26579: Add object.__getstate__().
Lib/abc.py	14126 bpo-28869: Set class module to caller module in ABCMeta.__new__	16613 bpo-28869: Set up inheritance registry in ABCMeta.__init__.
Lib/aifc.py	3484 bpo-31412: wave.open takes a path-like object	5952 bpo-32978: Fix reading huge floats in AIFC files.
Lib/argparse.py	1698 bpo-30421: Added fromfile_parent_relative parameter + docs to argparse.ArgumentParser	1835 bpo-29626: spacing issue when using help in argparse	3680 bpo-29298: Fix crash with required subparsers without dest	9427 bpo-34744 Lib/argparse.py %(flag)s format specifier for argparse.add_argument help string	10159 bpo-14856: Deprecate using add_parser() to overwrite an existing subparser	10847 bpo-14074: argparse doesn't allow metavar to be a tuple	12711 bpo-33775: Add the words 'default' and 'version' help text localizable.	12717 bpo-27992: Clarify %(prog)s in argparse help formatter for sys.argv[0]	13165 bpo-14156: Make argparse.FileType work correctly for binary file mode…	15372 bpo-37910: argparse usage wrapping should allow whitespace differences caused by metavar	15656 bpo-36267: Fix index_error of argparse	15714 bpo-14364: fix behavior when '--' as argument to option in argparse.	16917 bpo-38584: fix a bug in argparse with whitespace-only help messages	17169 Allow translating argument error messages bpo-39464	17447 bpo-38956: remove default option from help string in argparse	18208 bpo-39467: allow user to deprecate CLI arguments	18564 bpo-29298: Fix crash for required subparsers in argparse	18605 bpo-39716: Raise on conflicting subparser names.	19919 bpo-40509: Enable REMAINDER argparse arguments to be used in mutually exclusive …
Lib/ast.py	17662 bpo-32888: enhance ast.literal_eval error messagess with context information	19031 bpo-39981: Default values for AST nodes	19039 bpo-39989: Output closing parenthesis in ast.dump() on separate line.	19211 bpo-15987: Implement ast.compare	19612 bpo-28002: Roundtrip f-strings with ast.unparse better	20312 bpo-40726: handle uninitalized end_lineno on ast.increment_lineno
Lib/asyncio/base_events.py	2219 bpo-30679: __aexit__ is not called on KeyboardInterrupt	7207 bpo-30945: Fix create_server to handle the case when iface isn't IPv6 enabled.	9688 bpo-34014: Added support of contextvars for BaseEventLoop.run_in_executor	9840 bpo-34971: add support for TLS sessions from asyncio	11241 bpo-35302: Try each (remote addrinfo, local addrinfo) pair when connecting.	11403 bpo-35545: Fix mishandling of scoped IPv6 addresses	16360 bpo-38267: Add thread timeout parameter to `loop.shutdown_default_executor()`	17434 bpo-38952: support new Python3 IPv4Address	18628 bpo-39622: Use a custom signal handler in asyncio.run()
Lib/asyncio/constants.py	17975 New asyncio ssl implementation
Lib/asyncio/exceptions.py	4354 bpo-34215: Update streams.py:readuntil IncompleteReadError issue
Lib/asyncio/futures.py	6876 bpo-33521: Add 1.32x faster C implementation of asyncio.isfuture().	8807 bpo-34430 Symmetrical chaining futures in asyncio.future.wrap_future
Lib/asyncio/locks.py	9523 bpo-34753: Use coroutine object or coroutine function instead of coroutine	18195 bpo-38599: Deprecate creation of asyncio object when the loop is not running
Lib/asyncio/proactor_events.py	9840 bpo-34971: add support for TLS sessions from asyncio	16863 bpo-38471 Fix _ProactorDatagramTransport close() behaviour
Lib/asyncio/queues.py	14227 bpo-37334: Add a cancel method to asyncio Queues	18195 bpo-38599: Deprecate creation of asyncio object when the loop is not running	20071 bpo-40616: Add `asyncio.BufferQueue`
Lib/asyncio/runners.py	9523 bpo-34753: Use coroutine object or coroutine function instead of coroutine	16360 bpo-38267: Add thread timeout parameter to `loop.shutdown_default_executor()`	18628 bpo-39622: Use a custom signal handler in asyncio.run()	19895 bpo-40454: asyncio.run() no longer overrides asyncio debug mode
Lib/asyncio/selector_events.py	4053 bpo-31821: allow pause_reading() from connection_made()	9840 bpo-34971: add support for TLS sessions from asyncio	11403 bpo-35545: Fix mishandling of scoped IPv6 addresses	17425 bpo-31821: Fixing pause_reading called in connection made is ignored	19062 bpo-40007: Make asyncio.transport.writelines on selector use sendmsg	20369 bpo-30064: Fix asyncio sock_recv* racing condition
Lib/asyncio/sslproto.py	2920 bpo-31048: If we haven't passed the transport to the protocol yet, close it ourself	9840 bpo-34971: add support for TLS sessions from asyncio	17975 New asyncio ssl implementation
Lib/asyncio/streams.py	7473 bpo-30861: Return StreamReeader remaining buffer before raise an exception	16429 bpo-37141: support multiple separators in Stream.readuntil	19240 bpo-40124: Explain an assert when waiting on a asyncio stream drain
Lib/asyncio/subprocess.py	18650 bpo-39744: make asyncio.subprocess communicate similar to non-asyncio
Lib/asyncio/tasks.py	6694 bpo-33413: asyncio.gather without a special Future	10251 bpo-33533: Implement as_completed as an asynchronous generator	15312 bpo-37703: improve asyncio.gather documentation regarding cancellation
Lib/asyncio/unix_events.py	17425 bpo-31821: Fixing pause_reading called in connection made is ignored	17755 bpo-38314: Add is_reading() method to asyncio _UnixReadPipeTransport	18628 bpo-39622: Use a custom signal handler in asyncio.run()	20142 [WIP] bpo-38323: Fix MultiLoopChildWatcher hangs
Lib/asyncio/windows_events.py	18199 bpo-38856: Fix StreamWriter.wait_closed() ConnectionResetError for ProactorEventLoop	18628 bpo-39622: Use a custom signal handler in asyncio.run()
Lib/asyncore.py	2707 bpo-30931: Ensure the right socket is retrieved in asyncore	11770 bpo-35913: asyncore: allow handling of half closed connections
Lib/base64.py	2336 bpo-36700: Updated obsolete references for RFC 3548 to RFC 4648	7072 bpo-29427: allow unpadded input and ouput in base64 module	11285 bpo-35557 - Allow base64.b16decode() to accept lowercase hexadecimal characters by default	11634 Make b64decode with validate=True faster by compiling regex	11789 bpo-35970: Add help flag to base64 util	17627 bpo-39068 guard _b85chars2 initialization
Lib/bdb.py	1687 bpo-30419: DOC: Update missing information in bdb docs	1756 bpo-30429: bdb and pdb: Add watchpoint function	12392 bpo-36335: add bdb.Bdb.is_skipped_frame	12640 bpo-36494: bdb.Bdb.set_trace: set frame.f_trace_lines = True	17159 [WIP] bpo-38806: bdb: stop_here: always stop at calling frame	19013 [WIP] bpo-39967: do not call linecache.checkcache in Bdb.reset
Lib/bisect.py	11781 bpo-4356: Add key parameter to functions in bisect module
Lib/bz2.py	19481 PEP 597: Raise a warning when encoding is omitted
Lib/cProfile.py	9655 bpo-34861 Make cProfile default output useful	13083 bpo-34861: better cProfile CLI defaults: sort by time, restrict to top 20	19910 bpo-40492: Fix `--outfile` when the program being profiled changes the working directory
Lib/cachesreg.py	12639 bpo-36485: Add the cachesreg module.
Lib/calendar.py	10137 bpo-35078:Allow customization of CSS class name of a month in calendar module	18619 bpo-39710: calendar documentation
Lib/cgi.py	7804 bpo-27777 Fix for several reported cgi.py issues	8530 bpo-34226: fix cgi.parse_multipart without content_length	10771 bpo-27777 : cgi.FieldStorage can't parse simple body with Con…	11764 bpo-27777: cgi.FieldStorage can't parse simple body with Cont…	14815 bpo-37560: Add exception handler in FieldStorage cleanup	19130 bpo-40034: Fix cgi.parse() does not work with multipart POST requests.
Lib/cgitb.py	6854 bpo-33507: Improve html rendering cgitb	8304 bpo-34129: Add private variables mangling in cgitb.py	9699 bpo-27165: Skip callables when printing an exception details	12316 bpo-15749: Fix text formatting in cgitb when display is disabled	15094 bpo-1047397: prevent repr/getattr exceptions in cgitb
Lib/cmd.py	4666 bpo-36550: pdb/cmd: avoid creating exceptions	8015 bpo-28657: Add support for dynamic commands to cmd.Cmd	10588 bpo-35270: Cmd.complete: use completedefault also with cmd=None	13536 bpo-37030: hide undocumented commands in cmd module
Lib/codecs.py	9711 bpo-18291: codecs text streams now split lines only with \r, \n and \r\n.	13716 bpo-14014: Clarify StreamWriter.reset() documentation
Lib/collections/__init__.py	2821 bpo-26579: Add object.__getstate__().	6574 bpo-25478: Add scalar multiplication and division to Counter	13445 bpo-36906: Add str.dedent and cache it at compile time	17910 bpo-39264: Fix UserDict.get() to account for __missing__()	20339 bpo-40755: Add missing multiset operations to Counter()	20361 Simplify creation of the __new__ method in namedtuple()
Lib/compileall.py	9892 WIP: bpo-34990: year 2038 problem in compileall.py	18047 bpo-38848: compileall fails when the platform lacks a working sem_open()	19651 bpo-34990: Change pyc headers to use 64-bit timestamps	19708 bpo-34990: Treat the pyc header's mtime in compileall as an unsigned int	19883 bpo-40447: accept all path-like objects in compileall.compile_file	20239 bpo-40692: Run more test_concurrent_futures tests
Lib/concurrent/futures/_base.py	707 bpo-29842: Make Executor.map less eager so it handles large/unbounded…	4243 bpo-22281 ENH add introspection API for concurrent.futures Executor	18566 bpo-29842: Make Executor.map less eager so it handles large/unbounded…
Lib/concurrent/futures/process.py	707 bpo-29842: Make Executor.map less eager so it handles large/unbounded…	4243 bpo-22281 ENH add introspection API for concurrent.futures Executor	4256 bpo-31699: Deadlocks in `concurrent.futures.ProcessPoolExecutor` with unpickling error	12668 bpo-36512: future_factory argument for Thread/ProcessPoolExecutor	18566 bpo-29842: Make Executor.map less eager so it handles large/unbounded…	19788 bpo-39995: CLN remove some locks in ProcessPoolExecutor	20239 bpo-40692: Run more test_concurrent_futures tests
Lib/concurrent/futures/thread.py	4243 bpo-22281 ENH add introspection API for concurrent.futures Executor	12668 bpo-36512: future_factory argument for Thread/ProcessPoolExecutor	13250 bpo-36780: Add wait_at_exit to ThreadPoolExecutor.shutdown.
Lib/configparser.py	2735 bpo-22253: Add support to unnamed sections in ConfigParser	16772 Update configparser.py	17129 bpo-38741: Definition of multiple ']' in header configparser	18623 bpo-35885: configparser indent	18791 bpo-39860: lib/configparser; Support multiple sections in get()	19481 PEP 597: Raise a warning when encoding is omitted
Lib/contextlib.py	16667 bpo-38415 @asynccontextmanager as decorators like @contextmanager
Lib/copy.py	10903 copy and deepcopy functionality for metaclasses
Lib/copyreg.py	2821 bpo-26579: Add object.__getstate__().
Lib/csv.py	18336 bpo-30825: guess lineterminator in csv.Sniffer
Lib/ctypes/__init__.py	5155 bpo-28429 Fix ctypes import under grsec TPE	7032 bpo-33591: Fix CDLL to accept PathLike objects	12632 bpo-36485: Add sys.clear_caches().	12639 bpo-36485: Add the cachesreg module.	18560 bpo-39632: Fix ctypes variadic function call convention
Lib/ctypes/test/test_bitfields.py	14647 bpo-37187: Update PyCField_get_size	19850 bpo-29753: fix merging packed bitfields in ctypes struct/union
Lib/ctypes/test/test_callbacks.py	19914 bpo-13097: fix segfault in ctypes callback invocation
Lib/ctypes/test/test_functions.py	18560 bpo-39632: Fix ctypes variadic function call convention
Lib/ctypes/test/test_loading.py	7032 bpo-33591: Fix CDLL to accept PathLike objects	18312 bpo-28276: Fix `Lib/ctypes/test_loading.py` so that `test_find` reports skipped
Lib/ctypes/test/test_pep3118.py	4714 bpo-12851: populate Py_buffer strides field for ctypes arrays.	5561 bpo-32780: Fix the PEP3118 format string for ctypes.Structure	5576 bpo-32782: PEP3118 itemsize of an empty ctypes array should not be 0	18463 bpo-39610: Raise TypeError for len(memoryview_0d)
Lib/ctypes/test/test_python_api.py	18560 bpo-39632: Fix ctypes variadic function call convention	19474 bpo-40255: Implement Immortal Instances
Lib/ctypes/test/test_refcounts.py	13364 bpo-36880: Fix refcount issue when returning None from a ctypes.py_object callback
Lib/ctypes/test/test_struct_fields.py	14837 bpo-34697: Deleteing PyCField_new function	18424 bpo-39593: Adding an unit test of ctypes
Lib/ctypes/test/test_structures.py	13374 bpo-18060: Updating _fields_ of a derived struct type yields a bad cif
Lib/ctypes/test/test_unicode.py	8721 bpo-32745: Fix a regression in the handling of ctypes' c_wchar_p type
Lib/ctypes/test/test_values.py	9320 bpo-34690: DO NOT MERGE - Experimental "frozen modules".	18174 bpo-39448: Add regen-frozen makefile target.
Lib/ctypes/util.py	18380 bpo-21622: Fix ctypes.util.find_library with musl
Lib/dataclasses.py	7916 bpo-33881: Use NFKC to find duplicate members in make_dataclass	11361 bpo-35540: Add collections.defaultdict support to dataclasses.{asdict,astuple}	11371 bpo-35232: Add module and qualname arguments to dataclasses.make_dataclass()	16356 Proof of concept for a class registry in dataclasses.asdict	17322 bpo-36077: Update handling of defaulted fields
Lib/datetime.py	2821 bpo-26579: Add object.__getstate__().	5578 WIP: bpo-1100942: Add datetime.time.strptime and datetime.date.strptime	11529 bpo-35723: Proof of concept for tzidx cache	15498 bpo-37527: Fixing the "Invalid argument" bug on datetime.timestamp()
Lib/dbm/__init__.py	20274 bpo-40563: Support pathlike objects on dbm/shelve
Lib/dbm/dumb.py	20274 bpo-40563: Support pathlike objects on dbm/shelve
Lib/difflib.py	11204 Fix bpo-19217: Calling assertEquals for moderately long list takes too long	18983 bpo-39891: [difflib] add parameter 'ignorecase' to get_close_matches()
Lib/dis.py	6132 bpo-33092: Better bytecodes for f-strings	13177 bpo-36839: Support the buffer protocol in code objects	18326 bpo-39537 New line number table format	18849 bpo-39902: support equality comparisons in dis.Bytecode	19356 bpo-40169: Make dis.findlabels() accept a code object
Lib/distutils/_msvccompiler.py	2814 bpo-27790: Remove /LTCG from distutils linker flags in debug builds	15179 bpo-37794: MSVCCompiler: Replace /Ox with /O2	18371 bpo-33351: Patches to build on clang-cl	19876 bpo-40478: distutils: expose nmake path
Lib/distutils/archive_util.py	20331 bpo-38632: respect SOURCE_DATE_EPOCH when building .tar sdists
Lib/distutils/ccompiler.py	4153 bpo-4032: Cygwin: Add .dll.a to UnixCCompiler for searching libraries	14013 bpo-28459: Fix _pyio on Cygwin where the msvcrt module is not built	18371 bpo-33351: Patches to build on clang-cl
Lib/distutils/cmd.py	11526 bpo-35718: Cannot initialize the "force" Command-option in initialize_options()
Lib/distutils/command/bdist_dumb.py	16086 bpo-38145: Fix short option d for bdist_dumb
Lib/distutils/command/bdist_rpm.py	591 [BPO-30924] [BPO-30925] doc-files separate line and additional files patches	5690 bpo-32773: added --option to allow changing the preserve_mode for copy_file()
Lib/distutils/command/build_clib.py	11526 bpo-35718: Cannot initialize the "force" Command-option in initialize_options()
Lib/distutils/command/build_ext.py	8458 bpo-34219: distutils: fix build_ext parse -Dkey=value
Lib/distutils/command/install.py	20333 bpo-40747: Make py_version_nodot 3_10 not 310
Lib/distutils/command/install_data.py	11526 bpo-35718: Cannot initialize the "force" Command-option in initialize_options()
Lib/distutils/command/install_headers.py	11526 bpo-35718: Cannot initialize the "force" Command-option in initialize_options()
Lib/distutils/command/install_lib.py	11526 bpo-35718: Cannot initialize the "force" Command-option in initialize_options()
Lib/distutils/command/install_scripts.py	11526 bpo-35718: Cannot initialize the "force" Command-option in initialize_options()
Lib/distutils/command/register.py	6596 bpo-30613: Fix that the distutils register command generates invalid HTTP multipart data
Lib/distutils/command/sdist.py	13467 bpo-36998: Fix distutils' sdist command for undecodable filenames
Lib/distutils/dir_util.py	12632 bpo-36485: Add sys.clear_caches().	12639 bpo-36485: Add the cachesreg module.
Lib/distutils/dist.py	14787 bpo-7202: Parse command global options
Lib/distutils/file_util.py	13467 bpo-36998: Fix distutils' sdist command for undecodable filenames
Lib/distutils/msvc9compiler.py	15179 bpo-37794: MSVCCompiler: Replace /Ox with /O2
Lib/distutils/msvccompiler.py	15179 bpo-37794: MSVCCompiler: Replace /Ox with /O2
Lib/distutils/sysconfig.py	7914 bpo-24935: derive LDSHARED from CC for OSX and Linux	14950 bpo-24935: On all posix systems, not just Darwin, set LDSHARED (if not set) according to CC	15387 bpo-37916: distutils: allow overriding of the RANLIB command on macOS (darwin)
Lib/distutils/tests/test_archive_util.py	20331 bpo-38632: respect SOURCE_DATE_EPOCH when building .tar sdists
Lib/distutils/tests/test_build_ext.py	8458 bpo-34219: distutils: fix build_ext parse -Dkey=value	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/distutils/tests/test_check.py	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/distutils/tests/test_dist.py	13445 bpo-36906: Add str.dedent and cache it at compile time	14787 bpo-7202: Parse command global options
Lib/distutils/tests/test_file_util.py	13467 bpo-36998: Fix distutils' sdist command for undecodable filenames
Lib/distutils/tests/test_register.py	6596 bpo-30613: Fix that the distutils register command generates invalid HTTP multipart data
Lib/distutils/tests/test_sdist.py	13445 bpo-36906: Add str.dedent and cache it at compile time	13467 bpo-36998: Fix distutils' sdist command for undecodable filenames
Lib/distutils/tests/test_sysconfig.py	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/distutils/tests/test_unixccompiler.py	12418 bpo-36353: fix -R option of build_ext for OSX
Lib/distutils/tests/test_upload.py	1936 bpo-28867: Warn when NamedTemporaryFile is not explicitly closed
Lib/distutils/tests/test_version.py	12126 bpo-13055: Fix empty version handling in disutils.version
Lib/distutils/unixccompiler.py	4153 bpo-4032: Cygwin: Add .dll.a to UnixCCompiler for searching libraries	6767 bpo-33466: Support compiling Objective-C++ (“.mm”) files	11773 bpo-35921: Use ccache if available	12418 bpo-36353: fix -R option of build_ext for OSX	14013 bpo-28459: Fix _pyio on Cygwin where the msvcrt module is not built
Lib/distutils/version.py	12126 bpo-13055: Fix empty version handling in disutils.version
Lib/doctest.py	3419 bpo-17446: Get line numbers of properties in doctest	12632 bpo-36485: Add sys.clear_caches().	12639 bpo-36485: Add the cachesreg module.	14756 bpo-25998: Fix doctest badly handling unwrapable objects	16946 [WIP] doctest: lazily instantiate debugger	17553 bpo-24925: _find_lineno now finds doctest __test__ string line numbers
Lib/email/_header_value_parser.py	2811 bpo-30988: Fix parsing address headers with dots start/end display name	12054 Fix bpo-36041: fix folding of quoted string in display_name violates RFC	15600 bpo-30988: Fix parsing invalid email address headers starting or ending with a dot	17620 bpo-39040: Fix parsing of email mime headers with whitespace between encoded-words.
Lib/email/contentmanager.py	9578 bpo-34800: Fix email.contentmanager raise error when policy.max_line_length is 0 or None
Lib/email/feedparser.py	12214 bpo-36226: Fix multipart false positive header defects	13788 bpo-37093: Allow http.client to parse non-ASCII header names
Lib/email/generator.py	17695 bpo-39131 email: add easier support for generating multipart/signed messages	18074 bpo-27321 Fix email.generator.py to not replace a non-existent header.
Lib/email/headerregistry.py	2821 bpo-26579: Add object.__getstate__().	19222 [3.8] bpo-39073: validate Address parts to disallow CRLF (GH-19007)	19223 [3.7] bpo-39073: validate Address parts to disallow CRLF (GH-19007)	19224 [3.6] bpo-39073: validate Address parts to disallow CRLF (GH-19007)
Lib/email/message.py	15147 Allow graceful error handling in messages.py when MIMEText object encodes payload	18059 bpo-32330 Replace invalid characters in email.message.set_payload().	18127 bpo-24337: Implement email.message.Message.__repr__()
Lib/email/mime/signed.py	17695 bpo-39131 email: add easier support for generating multipart/signed messages
Lib/email/parser.py	13788 bpo-37093: Allow http.client to parse non-ASCII header names
Lib/email/policy.py	6986 bpo-33568: Fix inconsistent behavior of non-ascii handling in EmailPolicy.fold
Lib/email/quoprimime.py	9578 bpo-34800: Fix email.contentmanager raise error when policy.max_line_length is 0 or None
Lib/email/utils.py	6986 bpo-33568: Fix inconsistent behavior of non-ascii handling in EmailPolicy.fold	13797 bpo-27513: email.utils.getaddresses() now handles Header objects
Lib/encodings/aliases.py	10237 bpo-25416: add aliases for cp874 and mac_cyrillic encodings	15079 bpo-17254: Thai Language Aliases
Lib/encodings/idna.py	17726 bpo-19083: IDNA prefix should be case insensitive
Lib/ensurepip/__init__.py	12791 bpo-36608: Make ensurepip download artifacts from PyPI	16782 bpo-38488: Upgrade bundled versions of pip & setuptools	17634 bpo-31046: ensurepip does not honour the value of $(prefix)	19812 bpo-40448: ensurepip: Do not use cache
Lib/ensurepip/_bundled/.gitignore	12791 bpo-36608: Make ensurepip download artifacts from PyPI
Lib/ensurepip/_bundled/pip-19.0.3-py2.py3-none-any.whl	12791 bpo-36608: Make ensurepip download artifacts from PyPI
Lib/ensurepip/_bundled/pip-19.2.3-py2.py3-none-any.whl	16782 bpo-38488: Upgrade bundled versions of pip & setuptools
Lib/ensurepip/_bundled/pip-20.1-py2.py3-none-any.whl	16782 bpo-38488: Upgrade bundled versions of pip & setuptools
Lib/ensurepip/_bundled/setuptools-40.8.0-py2.py3-none-any.whl	12791 bpo-36608: Make ensurepip download artifacts from PyPI
Lib/ensurepip/_bundled/setuptools-46.1.3-py3-none-any.whl	16782 bpo-38488: Upgrade bundled versions of pip & setuptools
Lib/ensurepip/_bundler.py	12791 bpo-36608: Make ensurepip download artifacts from PyPI
Lib/ensurepip/bundle.py	12791 bpo-36608: Make ensurepip download artifacts from PyPI
Lib/enum.py	17669 bpo-39102: Increase Enum performance up to 10x times (3x average)	18370 bpo-38967: Improve the error msg for reserved _sunder_ names in enum	18641 bpo-39728: enum with invalid value results in ValueError twice	19219 bpo-40084: Enum.__dir__ listing includes entries from instance dict	19762 [3.7] bpo-40025: Require _generate_next_value_ to be defined before members (GH-19098)	19763 [3.8] bpo-40025: Require _generate_next_value_ to be defined before members (GH-19098)	19904 bpo-40025:The behavior is the same when `_generate_next_value_` is defined afte…
Lib/filecmp.py	5088 bpo-15450: Allow subclassing of dircmp	12632 bpo-36485: Add sys.clear_caches().	12639 bpo-36485: Add the cachesreg module.	17736 bpo-39189: Uses the io.DEFAULT_BUFFER_SIZE variable instead of defining it again
Lib/fileinput.py	13221 bpo-36865: allow 'rt' mode in FileInput
Lib/fnmatch.py	13039 bpo-36769: Document that fnmatch.filter supports any kind of iterable
Lib/fractions.py	15327 bpo-37836: support .as_integer_ratio() in Fraction
Lib/ftplib.py	5309 bpo-12706: timeout sentinel in ftplib and poplib documentation	12740 bpo-36570: ftplib retry when passive connection timeouts
Lib/functools.py	12639 bpo-36485: Add the cachesreg module.	16600 bpo-38364: unwrap partialmethods just like we unwrap partials	19871 bpo-40464: fix return annotation being used as the arg annotation in singledispatch	20052 bpo-40606: Copy cached_property return type annotations to __annotations__
Lib/gettext.py	19869 bpo-18319: gettext() can retrieve a message even if a plural form exists
Lib/glob.py	16075 bpo-38144: Add the root_dir and dir_fd parameters in glob.glob().
Lib/gzip.py	16405 bpo-38281: Using mode "write" when initializing gzip.GzipFile if there's "+" in the mode string	17682 bpo-39121: write gzip header OS information	19481 PEP 597: Raise a warning when encoding is omitted
Lib/hashlib.py	15890 bpo-35784: Include optional kwargs in hashlib.new() documentation	20259 bpo-40695: Limit hashlib builtin hash fallback
Lib/heapq.py	17422 bpo-38938: Added special case to heapq.merge for small numbers of iterables	18427 bpo-38938: Reduce the number of comparisons in heapq.merge
Lib/html/parser.py	9295 bpo-32876: fix handling of invalid markup declarations. (WIP)
Lib/http/client.py	3870 bpo-31704 Check HTTP response in uppercase	8305 bpo-22708: Upgrade HTTP CONNECT to protocol HTTP/1.1	8633 bpo-24255: Replace debug level-related logic in http client with logging	8947 bpo-34510: add HTTPConnection.settimeout()	11729 [WIP] bpo-24177: Add env var proxy support to http.client	12214 bpo-36226: Fix multipart false positive header defects	13788 bpo-37093: Allow http.client to parse non-ASCII header names	14880 bpo-1346874: Add 'Expect: 100-Continue' support to httplib	18485 bpo-39603: Prevent header injection in http methods	19300 [3.5] closes bpo-38576: Disallow control characters in hostnames in h…
Lib/http/cookiejar.py	11792 bpo-17164: Make MozillaCookieJar use curl's format for session cookies	15023 bpo-37246: Check expiry with current timestamp in DefaultCookiePolicy	15673 bpo-37858: relax cookiejar.py case-sensitive regex for the inconsequential first line of the cookie file	17471 bpo-38976: Add support for HTTP Only flag in MozillaCookieJar
Lib/http/cookies.py	14781 bpo-37522: Modify the parse of Set-Cookie	19058 bpo-40001: BaseCookie add ignore_errors kwarg to load method	19059 bpo-40002: Fix http.cookies.BaseCookie.load inconsistent errors	19393 bpo-34951 Updated regex in pattern for finding cookie (rfc2616)
Lib/http/server.py	5308 bpo-32628: support DirectoryIndex for http server	7932 bpo-33973: Only split request lines on b'\x20'	11875 bpo-36003: change socketserver.TCPServer reuse_addr and backlog default options	17378 bpo-38907: Add IPv6 Dual-Stack control for http.server	19556 bpo-40305: Fix server_close implementation for class ThreadingHTTPServer and TCPServer
Lib/idlelib/Icons/README.txt	19648 bpo-38439: Add 256px IDLE icon to the .ico, drop gifs from it
Lib/idlelib/Icons/idle.ico	19648 bpo-38439: Add 256px IDLE icon to the .ico, drop gifs from it
Lib/idlelib/NEWS.txt	18951 bpo-39885: IDLE: Leave selection when right click within	19816 bpo-23937: IDLE maximise on load
Lib/idlelib/ParenClose.py	3520 bpo-18875 Auto insertion of the closing parens, brackets, braces, and ticks
Lib/idlelib/README.txt	7979 bpo-27755: replace DynOptionMenu/OptionMenu with ttk.Combobox	9855 bpo-34976: IDLE: first updated working version of a search bar
Lib/idlelib/autocomplete.py	2011 bpo-27534: IDLE: Reduce number and time for user process imports	15138 bpo-37765: Add keywords to IDLE's main completion list	15169 bpo-21261: IDLE shell auto-completion of dict keys	15207 bpo-37821: IDLE completion namespace fix
Lib/idlelib/autocomplete_w.py	15169 bpo-21261: IDLE shell auto-completion of dict keys
Lib/idlelib/checkers.py	9802 bpo-21880: IDLE: Ability to run 3rd party code checkers
Lib/idlelib/colorizer.py	15474 bpo-37903: IDLE: Shell sidebar with prompts
Lib/idlelib/config-checker.def	9802 bpo-21880: IDLE: Ability to run 3rd party code checkers
Lib/idlelib/config-extensions.def	3520 bpo-18875 Auto insertion of the closing parens, brackets, braces, and ticks
Lib/idlelib/config-keys.def	2210 bpo-694339: IDLE: Dedenting with shift+tab
Lib/idlelib/config-main.def	5541 bpo-5594: IDLE startup configuration	9855 bpo-34976: IDLE: first updated working version of a search bar	17201 bpo-33046: An IDLE option to strip trailing whitespace on save	19816 bpo-23937: IDLE maximise on load
Lib/idlelib/config.py	2210 bpo-694339: IDLE: Dedenting with shift+tab	9802 bpo-21880: IDLE: Ability to run 3rd party code checkers	17107 bpo-17642: Add hotkeys to resize IDLE's font
Lib/idlelib/config_key.py	11427 bpo-35675: IDLE config_key - separate window and frame classes
Lib/idlelib/configdialog.py	5541 bpo-5594: IDLE startup configuration	6082 bpo-33051: IDLE: Separate editor options from the general tab in config	7979 bpo-27755: replace DynOptionMenu/OptionMenu with ttk.Combobox	9802 bpo-21880: IDLE: Ability to run 3rd party code checkers	9855 bpo-34976: IDLE: first updated working version of a search bar	11427 bpo-35675: IDLE config_key - separate window and frame classes	14491 bpo-32631: IDLE: Enable zzdummy extension module	15474 bpo-37903: IDLE: Shell sidebar with prompts	17093 bpo-27465: Make IDLE help source menu entries unique and sorted	17107 bpo-17642: Add hotkeys to resize IDLE's font	17201 bpo-33046: An IDLE option to strip trailing whitespace on save	19706 bpo-27620: The escape key closes IDLE's config dialog as canceled	19816 bpo-23937: IDLE maximise on load
Lib/idlelib/debugger.py	1821 bpo-14111: IDLE: Add interrupt handle when open debugger	2454 bpo-17942: Improve IDLE debugger user interface	11451 bpo-35690: Add fix and tests for idlelib.debugger module
Lib/idlelib/debugger_r.py	1821 bpo-14111: IDLE: Add interrupt handle when open debugger
Lib/idlelib/dynoption.py	7979 bpo-27755: replace DynOptionMenu/OptionMenu with ttk.Combobox
Lib/idlelib/editor.py	1884 bpo-30521: IDLE: Add navigate bar and replace current goto dialog	1984 bpo-1207613: IDLE Editor Bottom Scroll Bar	2210 bpo-694339: IDLE: Dedenting with shift+tab	3669 bpo-31529: IDLE: Add docstrings and tests to some editor.py functions	3701 bpo-21937: IDLE: Fix use of unsaved indicator in titlebar of shell window	5541 bpo-5594: IDLE startup configuration	9802 bpo-21880: IDLE: Ability to run 3rd party code checkers	9855 bpo-34976: IDLE: first updated working version of a search bar	11615 bpo-35770: Convert menudefs to dictionary	15169 bpo-21261: IDLE shell auto-completion of dict keys	15474 bpo-37903: IDLE: Shell sidebar with prompts	17107 bpo-17642: Add hotkeys to resize IDLE's font	17163 bpo-23544: IDLE hangs when selecting Stack Viewer with debug active	18539 bpo-39666: Refactor common code between hyperparser and editor	18951 bpo-39885: IDLE: Leave selection when right click within	19816 bpo-23937: IDLE maximise on load
Lib/idlelib/extend.txt	14491 bpo-32631: IDLE: Enable zzdummy extension module
Lib/idlelib/filelist.py	2454 bpo-17942: Improve IDLE debugger user interface
Lib/idlelib/help.html	17093 bpo-27465: Make IDLE help source menu entries unique and sorted
Lib/idlelib/help.py	6665 bpo-33397: IDLE Help: Modifications for font size	9502 bpo-34774: Use user-selected color theme for Help => IDLE Help.	11433 bpo-33987: IDLE: Use ttk Frame on help.py
Lib/idlelib/help_about.py	5178 bpo-32548: IDLE: Convert labels to hyperlinks in help_about
Lib/idlelib/hyperparser.py	18539 bpo-39666: Refactor common code between hyperparser and editor
Lib/idlelib/idle_test/README.txt	2733 bpo-30934: IDLE: Add Linux/MacOS coverage usage
Lib/idlelib/idle_test/htest.py	9855 bpo-34976: IDLE: first updated working version of a search bar	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/idlelib/idle_test/mock_tk.py	15169 bpo-21261: IDLE shell auto-completion of dict keys
Lib/idlelib/idle_test/test_autocomplete.py	2011 bpo-27534: IDLE: Reduce number and time for user process imports	15138 bpo-37765: Add keywords to IDLE's main completion list	15169 bpo-21261: IDLE shell auto-completion of dict keys	18539 bpo-39666: Refactor common code between hyperparser and editor
Lib/idlelib/idle_test/test_calltip.py	14592 bpo-37501: Fix test failures when CPython is built without docstrings
Lib/idlelib/idle_test/test_checker.py	9802 bpo-21880: IDLE: Ability to run 3rd party code checkers
Lib/idlelib/idle_test/test_config.py	3520 bpo-18875 Auto insertion of the closing parens, brackets, braces, and ticks	5541 bpo-5594: IDLE startup configuration
Lib/idlelib/idle_test/test_config_key.py	11427 bpo-35675: IDLE config_key - separate window and frame classes
Lib/idlelib/idle_test/test_configdialog.py	5541 bpo-5594: IDLE startup configuration	6082 bpo-33051: IDLE: Separate editor options from the general tab in config	7979 bpo-27755: replace DynOptionMenu/OptionMenu with ttk.Combobox	11427 bpo-35675: IDLE config_key - separate window and frame classes	17201 bpo-33046: An IDLE option to strip trailing whitespace on save
Lib/idlelib/idle_test/test_debugger.py	11451 bpo-35690: Add fix and tests for idlelib.debugger module
Lib/idlelib/idle_test/test_editor.py	3669 bpo-31529: IDLE: Add docstrings and tests to some editor.py functions	11615 bpo-35770: Convert menudefs to dictionary	18539 bpo-39666: Refactor common code between hyperparser and editor	18951 bpo-39885: IDLE: Leave selection when right click within
Lib/idlelib/idle_test/test_help.py	6665 bpo-33397: IDLE Help: Modifications for font size
Lib/idlelib/idle_test/test_help_about.py	5178 bpo-32548: IDLE: Convert labels to hyperlinks in help_about
Lib/idlelib/idle_test/test_hyperparser.py	18539 bpo-39666: Refactor common code between hyperparser and editor
Lib/idlelib/idle_test/test_mainmenu.py	11615 bpo-35770: Convert menudefs to dictionary
Lib/idlelib/idle_test/test_parenclose.py	3520 bpo-18875 Auto insertion of the closing parens, brackets, braces, and ticks
Lib/idlelib/idle_test/test_parenmatch.py	18539 bpo-39666: Refactor common code between hyperparser and editor
Lib/idlelib/idle_test/test_pyshell.py	15211 bpo-37827: IDLE shell handling of \r and \b control chars
Lib/idlelib/idle_test/test_query.py	17093 bpo-27465: Make IDLE help source menu entries unique and sorted
Lib/idlelib/idle_test/test_replace.py	9855 bpo-34976: IDLE: first updated working version of a search bar
Lib/idlelib/idle_test/test_search.py	9855 bpo-34976: IDLE: first updated working version of a search bar
Lib/idlelib/idle_test/test_text.py	15169 bpo-21261: IDLE shell auto-completion of dict keys
Lib/idlelib/idle_test/test_textview.py	1984 bpo-1207613: IDLE Editor Bottom Scroll Bar	6665 bpo-33397: IDLE Help: Modifications for font size
Lib/idlelib/idle_test/test_undo.py	3701 bpo-21937: IDLE: Fix use of unsaved indicator in titlebar of shell window
Lib/idlelib/idle_test/test_warning.py	15311 bpo-37824: Properly handle user input warnings in IDLE shell.
Lib/idlelib/idle_test/test_zzdummy.py	14491 bpo-32631: IDLE: Enable zzdummy extension module
Lib/idlelib/iomenu.py	3701 bpo-21937: IDLE: Fix use of unsaved indicator in titlebar of shell window	17051 bpo-25522: IDLE "Save As" warnings	17201 bpo-33046: An IDLE option to strip trailing whitespace on save	17578 bpo-6699: IDLE: Warn the user if a file will be overwritten when saving
Lib/idlelib/macosx.py	7926 bpo-33964: IDLE macosx - removed unused local dict.	11615 bpo-35770: Convert menudefs to dictionary
Lib/idlelib/mainmenu.py	11615 bpo-35770: Convert menudefs to dictionary
Lib/idlelib/navigatebar.py	1884 bpo-30521: IDLE: Add navigate bar and replace current goto dialog
Lib/idlelib/percolator.py	15474 bpo-37903: IDLE: Shell sidebar with prompts
Lib/idlelib/pyshell.py	1821 bpo-14111: IDLE: Add interrupt handle when open debugger	1984 bpo-1207613: IDLE Editor Bottom Scroll Bar	2454 bpo-17942: Improve IDLE debugger user interface	3701 bpo-21937: IDLE: Fix use of unsaved indicator in titlebar of shell window	5541 bpo-5594: IDLE startup configuration	15140 bpo-37768: IDLE: show help(object) output in a text viewing window	15211 bpo-37827: IDLE shell handling of \r and \b control chars	15311 bpo-37824: Properly handle user input warnings in IDLE shell.	15474 bpo-37903: IDLE: Shell sidebar with prompts	17163 bpo-23544: IDLE hangs when selecting Stack Viewer with debug active	20040 bpo-38078: IDLE: Don't run internal code in the user namespace
Lib/idlelib/query.py	17093 bpo-27465: Make IDLE help source menu entries unique and sorted
Lib/idlelib/replace.py	9855 bpo-34976: IDLE: first updated working version of a search bar	17593 bpo-13586: IDLE: Enter the selected text when opening the "Replace" dialog
Lib/idlelib/run.py	1711 bpo-26949: IDLE: Fix hanging when raise KeyboardInterrupt with debugger open	1821 bpo-14111: IDLE: Add interrupt handle when open debugger	2011 bpo-27534: IDLE: Reduce number and time for user process imports	2466 bpo-29926: IDLE: Fix blocking function ignore SIGINT	13445 bpo-36906: Add str.dedent and cache it at compile time	15140 bpo-37768: IDLE: show help(object) output in a text viewing window	15207 bpo-37821: IDLE completion namespace fix	20040 bpo-38078: IDLE: Don't run internal code in the user namespace
Lib/idlelib/search.py	9855 bpo-34976: IDLE: first updated working version of a search bar	17614 bpo-36595: IDLE: Add search to the "Squeezed Output Viewer"
Lib/idlelib/searchbar.py	9855 bpo-34976: IDLE: first updated working version of a search bar
Lib/idlelib/searchengine.py	17501 bpo-38981: Rename re.error to re.ReCompileError for better readability.
Lib/idlelib/sidebar.py	15474 bpo-37903: IDLE: Shell sidebar with prompts
Lib/idlelib/statusbar.py	11433 bpo-33987: IDLE: Use ttk Frame on help.py
Lib/idlelib/textview.py	1984 bpo-1207613: IDLE Editor Bottom Scroll Bar	6665 bpo-33397: IDLE Help: Modifications for font size	17614 bpo-36595: IDLE: Add search to the "Squeezed Output Viewer"
Lib/idlelib/undo.py	3701 bpo-21937: IDLE: Fix use of unsaved indicator in titlebar of shell window
Lib/idlelib/windowsearchengine.py	9855 bpo-34976: IDLE: first updated working version of a search bar
Lib/idlelib/zzdummy.py	11615 bpo-35770: Convert menudefs to dictionary	14491 bpo-32631: IDLE: Enable zzdummy extension module
Lib/imaplib.py	6395 bpo-13940: imaplib: All string arguments are now quoted when necessary.	9436 bpo-34138: add UTF8 marker per RFC	10901 bpo-5430: Preservation LF, CR in IMAP4 append method.	14388 bpo-37407:Update imaplib.py to account for additional padding	15206 bpo-26543: Fix crash on IMAP4.noop when bytes data is passed.	19072 WIP: bpo-33327: Add IMAP4.move_messages() method.	19693 bpo-26543: Fix crash on IMAP4.noop when bytes data is passed.
Lib/imghdr.py	8322 bpo-16512: one jpeg image added with different profile, code modified to detect all types of jpg	14862 [bpo-16512](https://bugs.python.org/issue16512): Improve jpeg detection in imghdr	15955 bpo-37629: Update judgment method for jpeg.	17993 bpo-39323: Fix directory separator of imghdr cli output
Lib/importlib/__init__.py	19424 bpo-19468: delete unnecessary modul control statement	19651 bpo-34990: Change pyc headers to use 64-bit timestamps
Lib/importlib/_bootstrap.py	17058 bpo-38693: Use f-strings instead of str.format() within importlib
Lib/importlib/_bootstrap_external.py	1735 bpo-30274: Rename 'name' to 'fullname' argument to ExtensionFileLoader.	6132 bpo-33092: Better bytecodes for f-strings	19651 bpo-34990: Change pyc headers to use 64-bit timestamps
Lib/importlib/abc.py	19005 Small tweak for importlib.resources
Lib/inspect.py	736 bpo-29858: inspect.signature for wrappers around decorated bound methods	2743 bpo-30951: Correct co_names documentation in inspect module	6805 bpo-33587: inspect.getsource: reorder stat on file in linecache	8602 bpo-34305: Unwrap decorators in getfile, rather than downstream	10209 bpo-35101: Fix inspect.findsource breaking on class frame objects	11590 bpo-35759: add introspection API for asynchronous generators	13850 bpo-37166: inspect.findsource() no longer triggers IndexError...	14579 bpo-37497: Add inspect.Signature.from_text().	16521 bpo-38337: Change getattr to inspect.getattr_static	16600 bpo-38364: unwrap partialmethods just like we unwrap partials	16957 bpo-38603: Inherit docstrings in dynamically generated subclasses if possible	17669 bpo-39102: Increase Enum performance up to 10x times (3x average)	18330 bpo-35108: handle exceptions in inspect.getmembers	19261 bpo-29418: Implement inspect.ismethodwrapper and fix inspect.isroutine for cases where methodwrapper is given	19874 bpo-39990: try resolving type hints in pydoc
Lib/interpreters.py	18817 bpo-32604: Multiple Interpreters in the Stdlib (PEP 554)
Lib/io.py	19481 PEP 597: Raise a warning when encoding is omitted
Lib/ipaddress.py	1741 bpo-27269: Treat ::FFFF: addresses as IPv4 for ordering and contains.	3632 bpo-30528: Fix IPv{4,6}Network reverse_pointer	8908 bpo-34465: Added support for bytearrray type , to create IPv4 addresss	11844 bpo-35989: Forbid a netmask > 32 for ipaddress.IPv4Network	15088 bpo-37749: modified is_global to handle multicast addresses	16519 bpo-38335 simplify the overlap function for IpNetwork	18308 Feature: Added __len__ method to _BaseNetwork class in ipaddress module.	18629 [WIP] bpo-39725: Suppress only handled exception by "raise ... from ...".
Lib/json/__init__.py	1558 bpo-30343: New API for JSON encoder to override supported types	12980 bpo-36738: Add `array_hook` kwarg to json module functions/classes	13233 bpo-36841: Supporting customization of float encoding in JSON	14977 bpo-30193: Allow to load buffer objects with json.loads()
Lib/json/decoder.py	12980 bpo-36738: Add `array_hook` kwarg to json module functions/classes
Lib/json/encoder.py	830 bpo-20774: Add a JSON serializer to collections.deque	1558 bpo-30343: New API for JSON encoder to override supported types	3515 bpo-31466: Enable a subclass to modify floatstr	8011 bpo-25457: Allow json.encode() to handle mixed keys when sort_keys=True	13233 bpo-36841: Supporting customization of float encoding in JSON
Lib/json/scanner.py	12980 bpo-36738: Add `array_hook` kwarg to json module functions/classes
Lib/json/tool.py	7865 bpo-33927: Add support for same infile and outfile to json.tool
Lib/lib2to3/Grammar.txt	6572 bpo-33338: [lib2to3] Synchronize token.py and tokenize.py with stdlib
Lib/lib2to3/fixer_util.py	17096 bpo-38681: Enhance 2to3 conversion for blank line
Lib/lib2to3/fixes/fix_exitfunc.py	18654 bpo-39683: 2to3 fix_exitfunc suggests duplicated import of atexit module
Lib/lib2to3/fixes/fix_future.py	17096 bpo-38681: Enhance 2to3 conversion for blank line
Lib/lib2to3/fixes/fix_import.py	16826 bpo-17393: do not convert import of non-package
Lib/lib2to3/fixes/fix_imports.py	15268 bpo-5664: 2to3 convert Cookie.Cookie properly
Lib/lib2to3/fixes/fix_imports3.py	15268 bpo-5664: 2to3 convert Cookie.Cookie properly
Lib/lib2to3/fixes/fix_itertools_imports.py	17096 bpo-38681: Enhance 2to3 conversion for blank line
Lib/lib2to3/fixes/fix_renames.py	15268 bpo-5664: 2to3 convert Cookie.Cookie properly
Lib/lib2to3/fixes/fix_string.py	14835 bpo-13272: 2to3 string constants fixer
Lib/lib2to3/pgen2/grammar.py	6572 bpo-33338: [lib2to3] Synchronize token.py and tokenize.py with stdlib
Lib/lib2to3/pgen2/parse.py	19214 bpo-40101: Fix parser's assumption about the return value of convert
Lib/lib2to3/pgen2/token.py	6572 bpo-33338: [lib2to3] Synchronize token.py and tokenize.py with stdlib
Lib/lib2to3/pgen2/tokenize.py	6572 bpo-33338: [lib2to3] Synchronize token.py and tokenize.py with stdlib	6588 bpo-33349: make lib2to3 parse async generators everywhere
Lib/lib2to3/pytree.py	7977 bpo-33983: Make lib2to3.pytree.Base.children a list
Lib/lib2to3/refactor.py	10618 bpo-35282: Add a return value to lib2to3.refactor_file and refactor_dir	15249 bpo-12611: 2to3 crashes when converting doctest using reduce()
Lib/lib2to3/tests/support.py	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/lib2to3/tests/test_all_fixers.py	6572 bpo-33338: [lib2to3] Synchronize token.py and tokenize.py with stdlib
Lib/lib2to3/tests/test_fixers.py	14835 bpo-13272: 2to3 string constants fixer	15249 bpo-12611: 2to3 crashes when converting doctest using reduce()	15268 bpo-5664: 2to3 convert Cookie.Cookie properly	16826 bpo-17393: do not convert import of non-package	17096 bpo-38681: Enhance 2to3 conversion for blank line	18654 bpo-39683: 2to3 fix_exitfunc suggests duplicated import of atexit module
Lib/lib2to3/tests/test_parser.py	6588 bpo-33349: make lib2to3 parse async generators everywhere	13445 bpo-36906: Add str.dedent and cache it at compile time	19214 bpo-40101: Fix parser's assumption about the return value of convert
Lib/lib2to3/tests/test_refactor.py	10618 bpo-35282: Add a return value to lib2to3.refactor_file and refactor_dir
Lib/linecache.py	12632 bpo-36485: Add sys.clear_caches().	12639 bpo-36485: Add the cachesreg module.	18210 bpo-39468: better .python_history write permission handling	20092 [3.8] bpo-25872: Fix KeyError in linecache when multithreaded (GH-18007)
Lib/locale.py	14027 bpo-37198: Fix bug in locale	14925 bpo-30755: Allow fallback to UTF-8 encoding on systems with no locales installed.	15275 bpo-34311: Add locale.localize	17901 bpo-35163: Change locale_alias for Esperanto
Lib/logging/__init__.py	15286 bpo-37857: Invalidate cache when log level changed directly	17714 bpo-33165: Remove redundant stack unwind for findCaller()	19481 PEP 597: Raise a warning when encoding is omitted	20362 bpo-40756: Default second argument of LoggerAdapter.__init__ to None
Lib/logging/config.py	11875 bpo-36003: change socketserver.TCPServer reuse_addr and backlog default options	15286 bpo-37857: Invalidate cache when log level changed directly	19991 bpo-40544: Set the validate field in logging Formatter with fileConfig
Lib/lzma.py	19481 PEP 597: Raise a warning when encoding is omitted
Lib/mailbox.py	804 bpo-22319: mailbox.MH now supports folders withou the ".mh_sequences"…	4770 bpo-32234: Context manager available for mailbox instances	11833 bpo-21360: mailbox.Maildir now ignores files with a leading dot
Lib/mimetypes.py	2895 bpo-31040: Reject undotted extensions in mimetypes.add_type	12632 bpo-36485: Add sys.clear_caches().	12639 bpo-36485: Add the cachesreg module.	16567 bpo-34938: mimetypes.init() does not overwrite globals	17995 bpo-39324: Add markdown mimetype mapping	19481 PEP 597: Raise a warning when encoding is omitted	20042 bpo-40626: Support HDF5 in mimetypes	20199 bpo-40675: Add fonts .woff, .woff2, .eot, .otf and .ttf to mimetypes
Lib/modulefinder.py	17326 bpo-38721: Add support for import hooks in modulefinder	17817 bpo-39206: Add encoding detecting to modulefinder	19549 bpo-40260: fix API regression with file_info mode field	19651 bpo-34990: Change pyc headers to use 64-bit timestamps	19917 bpo-40350 Introduce a new type for namespace packages
Lib/multiprocessing/__init__.py	15058 bpo-28053: Allow custom reducer when using multiprocessing
Lib/multiprocessing/connection.py	9959 bpo-28053: Complete and fix custom reducers in multiprocessing.	15058 bpo-28053: Allow custom reducer when using multiprocessing	16264 bpo-17258: use sha256 instead of md5 within multiprocessing.connection	19790 bpo-40402: Fix race condition in multiprocessing.connection.Connection
Lib/multiprocessing/context.py	5195 bpo-32146: multiprocessing freeze_support needed outside win32	9627 bpo-34837: Multiprocessing.Pool API Extension - Pass Data to Workers w/o Globals	9959 bpo-28053: Complete and fix custom reducers in multiprocessing.	15058 bpo-28053: Allow custom reducer when using multiprocessing	18625 bpo-39244: multiprocessing get all start methods
Lib/multiprocessing/dummy/__init__.py	9627 bpo-34837: Multiprocessing.Pool API Extension - Pass Data to Workers w/o Globals
Lib/multiprocessing/forkserver.py	5195 bpo-32146: multiprocessing freeze_support needed outside win32	9959 bpo-28053: Complete and fix custom reducers in multiprocessing.	15058 bpo-28053: Allow custom reducer when using multiprocessing
Lib/multiprocessing/heap.py	9959 bpo-28053: Complete and fix custom reducers in multiprocessing.	15058 bpo-28053: Allow custom reducer when using multiprocessing
Lib/multiprocessing/managers.py	4819 bpo-30256: pass all BaseProxy arguments through AutoProxy	8254 bpo-34098: multiprocessing.Server now uses ExceptionWithTraceback	9476 bpo-34766: clean BaseProxy cache when Manager client is connected	9959 bpo-28053: Complete and fix custom reducers in multiprocessing.	13451 bpo-36977: Make SharedMemoryManager release its resources if its parent process dies	15058 bpo-28053: Allow custom reducer when using multiprocessing	15989 bpo-38119: Fix shmem resource tracking	16341 bpo-30256: Add test for nested queues	17333 [WIP/RFC] multiprocessing: proxy: keep _manager after forking	18034 bpo-38840: Incorrect __all__ in multiprocessing.managers	19609 bpo-40307: Preserve manager Client in multiprocessing managers
Lib/multiprocessing/pool.py	8009 bpo-33997: Fix racing condition in termination of pool result_handler	9627 bpo-34837: Multiprocessing.Pool API Extension - Pass Data to Workers w/o Globals	10441 bpo-22393: Fix multiprocessing.Pool hangs if a worker process dies unexpectedly	16103 bpo-22393: Fix deadlock from pool worker death without communication	17795 bpo-39190: Fix deadlock when callback raises
Lib/multiprocessing/popen_fork.py	9959 bpo-28053: Complete and fix custom reducers in multiprocessing.
Lib/multiprocessing/popen_forkserver.py	9959 bpo-28053: Complete and fix custom reducers in multiprocessing.	15058 bpo-28053: Allow custom reducer when using multiprocessing
Lib/multiprocessing/popen_spawn_posix.py	9959 bpo-28053: Complete and fix custom reducers in multiprocessing.	15058 bpo-28053: Allow custom reducer when using multiprocessing
Lib/multiprocessing/popen_spawn_win32.py	9959 bpo-28053: Complete and fix custom reducers in multiprocessing.	15058 bpo-28053: Allow custom reducer when using multiprocessing
Lib/multiprocessing/process.py	9959 bpo-28053: Complete and fix custom reducers in multiprocessing.	15058 bpo-28053: Allow custom reducer when using multiprocessing
Lib/multiprocessing/queues.py	4256 bpo-31699: Deadlocks in `concurrent.futures.ProcessPoolExecutor` with unpickling error	9959 bpo-28053: Complete and fix custom reducers in multiprocessing.	15058 bpo-28053: Allow custom reducer when using multiprocessing
Lib/multiprocessing/reduction.py	9959 bpo-28053: Complete and fix custom reducers in multiprocessing.	15058 bpo-28053: Allow custom reducer when using multiprocessing
Lib/multiprocessing/resource_sharer.py	9959 bpo-28053: Complete and fix custom reducers in multiprocessing.	15058 bpo-28053: Allow custom reducer when using multiprocessing
Lib/multiprocessing/resource_tracker.py	15989 bpo-38119: Fix shmem resource tracking	20239 bpo-40692: Run more test_concurrent_futures tests
Lib/multiprocessing/semaphore_tracker.py	5195 bpo-32146: multiprocessing freeze_support needed outside win32
Lib/multiprocessing/shared_memory.py	15989 bpo-38119: Fix shmem resource tracking	16139 bpo-38169: Increase code coverage for SharedMemory and ShareableList
Lib/multiprocessing/spawn.py	5195 bpo-32146: multiprocessing freeze_support needed outside win32	9959 bpo-28053: Complete and fix custom reducers in multiprocessing.	15058 bpo-28053: Allow custom reducer when using multiprocessing
Lib/multiprocessing/util.py	13986 bpo-26180: Fix multiple registration of ForkAwareLocal atfork cleaner	19481 PEP 597: Raise a warning when encoding is omitted
Lib/netrc.py	127 bpo-28806: Improve the netrc library	17823 bpo-11416: handle multiple .netrc entries per host
Lib/ntpath.py	14841 bpo-37609: Add device path support in ntpath splitdrive	18555 Add docstring for `join` in ntpath.py	18841 bpo-39899: Make pathlib use `os.path.expanduser()` to expand home directories	19109 bpo-28859: Fix return value of ismount on Windows
Lib/numbers.py	6121 bpo-26680: Incorporate is_integer in all built-in and standard library numeric types
Lib/opcode.py	6132 bpo-33092: Better bytecodes for f-strings	15513 bpo-30076: Rename the BUILD_{TUPLE,MAP}_UNPACK_WITH_CALL opcodes
Lib/operator.py	8895 bpo-31861: Add operator.aiter and operator.anext
Lib/os.py	6910 bpo-33525: Add env type checking when spawn called	18653 bpo-29450: Include xattr functions in os.supports_{fd,follow_symlinks}	19915 bpo-40507: Add filename to the error raised by os.exec*
Lib/pathlib.py	6820 bpo-33440: Defer imports in pathlib to reduce its import time.	8671 bpo-33898: Fix pathlib issues with Windows device paths	8999 bpo-34541: Fixed, pathlib.Path.iterdir now throws an exception when path is not valid	10349 bpo-22276: Fix pathlib.Path.glob not to ignore trailing path separator	11133 bpo-35306: Handle '*' in pathlib.Path functions on Windows	11165 bpo-35498: Added slice support to PathLib parents attribute.	12361 bpo-36305: Fixes to path handling and parsing in pathlib	12785 bpo-36602: Allow pathlib.Path.iterdir to list recursively	14022 bpo-37130: Path('..').name now returns ''	17688 pathlib: Add exist_ok argument to write_text and write_bytes	17716 bpo-38671: Make sure to return an absolute path in pathlib._WindowsFlavour.resolve()	18834 bpo-39659: Route calls from pathlib.Path to os.getcwd() via the path accessor	18838 bpo-39895: Move `pathlib.Path.touch()` implementation into the path accessor	18841 bpo-39899: Make pathlib use `os.path.expanduser()` to expand home directories	18864 bpo-39906: add follow_symlinks parameter to pathlib.Path.stat() and chmod()	18909 bpo-39950: add `pathlib.Path.hardlink_to()` method that supersedes `link_to()`	18998 bpo-39924 optimize the pathlib.readlink behavior when the readlink is not existed in os module	19220 bpo-39924: handle missing os functions more consistently in pathlib	19342 bpo-40038: pathlib: remove partial support for preserving accessor when modifying a path	19481 PEP 597: Raise a warning when encoding is omitted	19611 bpo-23082: Better error message for PurePath.relative_to() from pathlib	19632 bpo-29847: Fix bug when Path takes and ignores **kwargs	19813 bpo-40358: add strict param to pathlib.PurePath.relative_to	20288 bpo-39783: Optimize contruction of Path and PurePath objects	20349 bpo-40753: Remove Python 2 compatibility code from pathlib
Lib/pdb.py	1756 bpo-30429: bdb and pdb: Add watchpoint function	2399 bpo-30761: pdb: Add step/next count argument	2732 bpo-30938: Add pdb command to show user-owned variables	2947 bpo-31078: Propogate use_rawinput to recursive pdb (debug command)	4666 bpo-36550: pdb/cmd: avoid creating exceptions	6730 bpo-33446: destructors of local variables are now traced	10799 bpo-35353: Added 'frame' command to pdb	12479 bpo-36388: pdb: do_debug: restore previous sys.gettrace (might be None)	12490 bpo-36375: PEP 499 implementation: "python -m foo" binds the main module as both __main__ and foo in sys.modules	12731 bpo-36563: pdb: do not read .pdbrc twice when in $HOME	12880 bpo-36667: pdb: restore SIGINT handler in sigint_handler already	13269 bpo-22135: Allow to break into pdb with Ctrl-C for all the commands t…	15194 bpo-21161: pdb: default: handle list comprehensions	17924 bpo-39278: add docstrings to functions in pdb module	18180 bpo-37022: pdb: do not swallow exceptions from `repr` with `do_p`/`do_pp`
Lib/pickletools.py	13036 bpo-36694: Do not memoize temporary objects in the C implementation of pickle.
Lib/pkgutil.py	4672 bpo-32188: do not call os.path.realpath in ImpImporter.find_module	11956 bpo-36053 fix pkgutil.walk_packages	19651 bpo-34990: Change pyc headers to use 64-bit timestamps
Lib/platform.py	12587 bpo-31341: remove more SGI IRIX-specific codes
Lib/plistlib.py	4671 bpo-32196: Rewrite plistlib with functional style.	18622 bpo-39732: encode UIDs in XML as CF$UID
Lib/posixpath.py	20138 bpo-26329: update os.path.normpath documentation
Lib/pprint.py	1008 bpo-29996: The width of the terminal is now used as default width in pprint()	19046 bpo-39994: Removed redundant code.
Lib/profile.py	13083 bpo-34861: better cProfile CLI defaults: sort by time, restrict to top 20	19910 bpo-40492: Fix `--outfile` when the program being profiled changes the working directory
Lib/pstats.py	3931 bpo-24084: add sub-millisecond display in pstats	9655 bpo-34861 Make cProfile default output useful	13083 bpo-34861: better cProfile CLI defaults: sort by time, restrict to top 20	13411 bpo-35849 Added thousands separators to Lib/pstats.py final report	17501 bpo-38981: Rename re.error to re.ReCompileError for better readability.
Lib/pty.py	4167 bpo-26228: pty.spawn hangs on FreeBSD, OS X, and Solaris	12049 bpo-26228: Fix pty EOF handling
Lib/py_compile.py	17134 bpo-40456: add quiet mode for py_compile main
Lib/pyclbr.py	16466 bpo-38307:completes the Stack implementation to yield ending line for each class.	18103 bpo-39411: pyclbr rewrite on AST	18997 Converted pyclbr.py to use f-string
Lib/pydoc.py	12915 bpo-29940: Add follow_wrapped option to help()	13225 bpo-18387: Add 'symbols' link to pydoc's html menu bar	15105 bpo-37755: Use configured output in pydoc instead of pager	15640 bpo-36309 pydoc.py: line 1533 - updated mktemp to mkstemp	18123 bpo-39400: Do not pass MANPAGER value to shell in pydoc	19874 bpo-39990: try resolving type hints in pydoc	19976 Update pydoc.py to support markup text with https links -fix issue 40586
Lib/random.py	14530 bpo-37439 - Add random.binomialvariate()	20014 bpo-40569: Add optional weights to random.sample()
Lib/re.py	12632 bpo-36485: Add sys.clear_caches().	12639 bpo-36485: Add the cachesreg module.	17501 bpo-38981: Rename re.error to re.ReCompileError for better readability.	17669 bpo-39102: Increase Enum performance up to 10x times (3x average)
Lib/reprlib.py	18343 bpo-39549: reprlib.Repr uses a “fillvalue” attribute
Lib/rlcompleter.py	19957 bpo-40529: rlcompleter with case insensitive
Lib/runpy.py	5921 bpo-26792: improve docstrings of runpy module run_ functions	12490 bpo-36375: PEP 499 implementation: "python -m foo" binds the main module as both __main__ and foo in sys.modules
Lib/sched.py	13862 bpo-37174: Fix bug in sched.py and add cancel_all() method.
Lib/secrets.py	19749 bpo-40418 Use bytes.hex() in secrets.token_hex()
Lib/selectors.py	2562 bpo-30844: selectors: add urgent data to read event	11193 bpo-35517: selector.EpollSelector: add new parameter to support extra events
Lib/shelve.py	18655 [WIP] bpo-39672: shelve sigsegv crash	19639 bpo-34204: Use pickle.DEFAULT_PROTOCOL in shelve
Lib/shlex.py	2799 bpo-24869: Add startline and endline attributes to the tokens returned by shlex	10871 bpo-25567: Add the support of bytes in quotes.
Lib/shutil.py	1659 bpo-30400: Fix race condition in shutil.copyfile()	4456 bpo-32073: Add copy_directory_metadata parameter to shutil.copytree and shutil.move	4912 bpo-32347: Emulate Libc copyfiles()'s st_flags logic on Darwin	12697 bpo-14841: shutil.get_terminal_size: use stdin/stderr also	13447 bpo-36770: add feature for shutil.make_archive	13580 bpo-29699: shutil.rmtree should not fail with FileNotFoundError (race condition)	14064 bpo-37260: shutil.rmtree() FileNotFoundError race condition	14419 bpo-37366: add onitem callback argument to shutil.rmtree()	14464 bpo-36656: Add race-free os.symlink wrapper / helper	15811 bpo-18108: Adding dir_fd and follow_symlinks keyword args to shutil.chown	16575 bpo-37700: Raise a shutil.SpecialFileError when copying a Unix socket	16797 bpo-38288: adding strict_timestamps keyword arg to shutil.make_archive	17435 bpo-35981: apply os.path.abspath only to basedir (for windows)	20088 bpo-40592: shutil.which will not return None anymore if ; is the last char in PATHEXT
Lib/signal.py	8920 bpo-23325: Turn signal.SIG_DFL and signal.SIG_IGN into functions.	19834 Deleted extra line
Lib/site.py	8536 bpo-28140: Add help message for pip in REPL	12107 bpo-33944: Add site.py debugging via PYTHONSITEDEBUG	12110 bpo-33944: Add site.py site-packages tracing in verbose mode	13208 bpo-29779: New environment variable PYTHONHISTORY	13445 bpo-36906: Add str.dedent and cache it at compile time	17414 bpo-38937: exec lines from .pth files in a copy of the site.py globals	18210 bpo-39468: better .python_history write permission handling	18213 bpo-39469: Support relative home paths for pyvenv.cfg	18299 bpo-39468: Improve the site module's error handling while writing .python_history
Lib/smtplib.py	5176 bpo-28879: Add Date header if missing in smtplib send_message	8303 bpo-32814: Handle 8BITMIME availabilty in smtplib.SMTP.send_message	11998 bpo-36094: Fix a bug in smtplib module	12148 bpo-29539: Implementation to return all mta status codes	15064 bpo-29750: support non-ASCII passwords in smtplib	18061 bpo-19770: Update smtp.send_message to use email.message.as_bytes()	18896 bpo-32803: Handle DATA correctly for LMTP with multiple RCPT
Lib/sndhdr.py	8319 bpo-34088: sndhdr.what() doesn't fail on bad input.
Lib/socket.py	562 bpo-29757: don't swallows errors in the `socket.create_connection()` utility loop	12370 bpo-31062: Allow socket.makefile to handle line buffering properly	14710 bpo-27379: In order to keep backward compatibility, update SocketType's type
Lib/socketserver.py	5258 bpo-32608: Adding a server into socketserver that handles client connection in new "multiprocessing.Process" processes.	11875 bpo-36003: change socketserver.TCPServer reuse_addr and backlog default options	13893 bpo-37193: remove thread objects which finished process its request	19556 bpo-40305: Fix server_close implementation for class ThreadingHTTPServer and TCPServer
Lib/sqlite3/dbapi2.py	17768 bpo-39170: Sqlite3 row_factory for attribute access: sqlite3.NamedRow
Lib/sqlite3/dump.py	9621 bpo-34828 sqlite3.iterdump now correctly handles tables with autoincrement
Lib/sqlite3/test/backup.py	17413 bpo-37347: Require SQLite 3.7.3+	20330 bpo-40744: Drop support for SQLite3 pre v3.7.3
Lib/sqlite3/test/dbapi.py	271 bpo-24905: Support BLOB incremental I/O in sqlite module	1108 bpo-16379: Expose sqlite error code	17413 bpo-37347: Require SQLite 3.7.3+	20330 bpo-40744: Drop support for SQLite3 pre v3.7.3
Lib/sqlite3/test/dump.py	9621 bpo-34828 sqlite3.iterdump now correctly handles tables with autoincrement
Lib/sqlite3/test/factory.py	11820 bpo-35889: Add repr() to sqlite3.Row
Lib/sqlite3/test/hooks.py	17413 bpo-37347: Require SQLite 3.7.3+	20330 bpo-40744: Drop support for SQLite3 pre v3.7.3
Lib/sqlite3/test/regression.py	3946 bpo-31746: Fixed Segfaults in the sqlite module when uninitialized.	10250 bpo-33376: clear cursor->statement when setting cursor->reset	11984 bpo-36073: Raise ProgrammingError on recursive usage of cursors in sqlite converters	17413 bpo-37347: Require SQLite 3.7.3+	18533 bpo-39652: returning entire sqlite column names	20330 bpo-40744: Drop support for SQLite3 pre v3.7.3
Lib/sqlite3/test/test_namedrow.py	17768 bpo-39170: Sqlite3 row_factory for attribute access: sqlite3.NamedRow
Lib/sqlite3/test/transactions.py	13216 bpo-36859: Use sqlite3_stmt_readonly API when possible to determine if statement is DML.K	17413 bpo-37347: Require SQLite 3.7.3+	20330 bpo-40744: Drop support for SQLite3 pre v3.7.3
Lib/sqlite3/test/types.py	17413 bpo-37347: Require SQLite 3.7.3+	18533 bpo-39652: returning entire sqlite column names	20330 bpo-40744: Drop support for SQLite3 pre v3.7.3
Lib/sre_compile.py	3237 bpo-27923: Minor API improvements for binary sequences (PEP 467)	17501 bpo-38981: Rename re.error to re.ReCompileError for better readability.
Lib/sre_constants.py	9259 Removed unused regex linebreak category.	17501 bpo-38981: Rename re.error to re.ReCompileError for better readability.
Lib/ssl.py	2449 bpo-16487: allow certificates to be specified from memory	5162 bpo-18369: [WIP] Add certificate and private key types	5266 bpo-27815: Make SSL suppress_ragged_eofs default more secure	8620 bpo-33062: Add SSL renegotiation and key update	16820 bpo-36076: Add SNI support to ssl.get_server_certificate.	17671 bpo-31711: On SSLObject.write method, added assert that data has content.	17938 bpo-18233: Add SSLSocket.get_verified_chain() and SSLSocket.get_unverified_chain()	20310 bpo-40262: SSLSocket.recv_into() shouldn't require __len__
Lib/stat.py	4912 bpo-32347: Emulate Libc copyfiles()'s st_flags logic on Darwin	19125 bpo-39533: Use `statx` on more recent Linux to expose `st_flags` and `st_btime` on all platforms
Lib/statistics.py	16813 bpo-38490: statistics: Add covariance, Pearson's correlation, and simple linear regression
Lib/string.py	19065 bpo-39985: Make string.Formatter with empty field name default to 0
Lib/struct.py	12632 bpo-36485: Add sys.clear_caches().	12639 bpo-36485: Add the cachesreg module.
Lib/subprocess.py	19014 bpo-30082 Popen: add kwarg to hide process window on Windows	19481 PEP 597: Raise a warning when encoding is omitted	19897 bpo-40497: Fix handling of check in subprocess.check_output()	20010 bpo-40550: fix time-of-check/time-of-action issue in multiprocessing
Lib/sunau.py	3484 bpo-31412: wave.open takes a path-like object
Lib/symbol.py	20364 bpo-40759: Deprecate the symbol module
Lib/sysconfig.py	737 bpo-15590: distinct python-config from pkg-config python	9362 bpo-34689: Prevent sysconfig._parse_makefile from expanding $${variables}	14776 bpo-37592: sysconfig no longer relies on sys.version	19481 PEP 597: Raise a warning when encoding is omitted	20333 bpo-40747: Make py_version_nodot 3_10 not 310
Lib/tabnanny.py	7699 bpo-19102: Setting appropriate exit code when "tabnanny" is existing with errors.
Lib/tarfile.py	1483 bpo-30282: Fix name attribute of extracted object	1808 bpo-30438 - Avoid untar errors when write-protected files are tarred twice	2734 bpo-31020: Add support for custom compressor in tarfile	2962 bpo-26253: Add compressionlevel to tarfile stream	10714 bpo-35227: Add support for file objects of unknown size to tarfile	11445 bpo-19974: Make extractall method of tarfile overwrites directory sym…	13217 bpo-12800: 'tarfile.StreamError: seeking backwards is not allowed' when extract symlink	13738 bpo-35964: shutil.make_archive (xxx, tar, root_dir) is adding './' entry to archive which is wrong	13817 bpo-37144: Convert path-like object to regular path	15244 bpo-21109: Add SafeTarFile	18562 bpo-39688: tarfile: compute next header offset using pax size for sparse file	18639 bpo-39693: tarfile extractfile documentation	19187 bpo-40049: Check if symlink exists when extracting from tarfile
Lib/tempfile.py	1936 bpo-28867: Warn when NamedTemporaryFile is not explicitly closed	3249 bpo-26175: Fix SpooledTemporaryFile IOBase abstract	8451 bpo-1539381: Implement SpooledTemporaryFile.readinto	10627 bpo-35278: Sanitize tempfile prefix to prevent directory treversal	14292 bpo-37302: Add an "onerror" callback parameter to the tempfile.TemporaryDirectory member functions	14908 bpo-37650: tempfile: flock(LOCK_SH) on temporary directories	19481 PEP 597: Raise a warning when encoding is omitted
Lib/test/__main__.py	19413 DO-NOT-MERGE: Explore reasons for ctypes test failure
Lib/test/_test_multiprocessing.py	4256 bpo-31699: Deadlocks in `concurrent.futures.ProcessPoolExecutor` with unpickling error	5195 bpo-32146: multiprocessing freeze_support needed outside win32	8254 bpo-34098: multiprocessing.Server now uses ExceptionWithTraceback	9627 bpo-34837: Multiprocessing.Pool API Extension - Pass Data to Workers w/o Globals	9959 bpo-28053: Complete and fix custom reducers in multiprocessing.	10441 bpo-22393: Fix multiprocessing.Pool hangs if a worker process dies unexpectedly	13451 bpo-36977: Make SharedMemoryManager release its resources if its parent process dies	13986 bpo-26180: Fix multiple registration of ForkAwareLocal atfork cleaner	15058 bpo-28053: Allow custom reducer when using multiprocessing	15989 bpo-38119: Fix shmem resource tracking	16103 bpo-22393: Fix deadlock from pool worker death without communication	16139 bpo-38169: Increase code coverage for SharedMemory and ShareableList	16341 bpo-30256: Add test for nested queues	17795 bpo-39190: Fix deadlock when callback raises	18625 bpo-39244: multiprocessing get all start methods	19609 bpo-40307: Preserve manager Client in multiprocessing managers	19790 bpo-40402: Fix race condition in multiprocessing.connection.Connection	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/audiodata/pluck-pcm24-ext.wav	9515 bpo-32990: Support WAVE_FORMAT_EXTENSIBLE in the wave module
Lib/test/audiotests.py	3484 bpo-31412: wave.open takes a path-like object
Lib/test/clinic.test	12409 bpo-36346: Prepare for removing the legacy Unicode C API.	15254 bpo-37842: Argument Clinic: Initialize Py_buffer variables more efficiently	18609 bpo-20291: varargs support for argument clinic and refactor print with AC
Lib/test/datetimetester.py	2821 bpo-26579: Add object.__getstate__().	5578 WIP: bpo-1100942: Add datetime.time.strptime and datetime.date.strptime	11529 bpo-35723: Proof of concept for tzidx cache	13428 bpo-36967: Eliminate unnecessary check in _strptime when determining AM/PM	20208 bpo-20177: Use Argument Clinic for datetime.date classmethods
Lib/test/doctest__test__.py	17553 bpo-24925: _find_lineno now finds doctest __test__ string line numbers
Lib/test/exception_hierarchy.txt	15496 bpo-32847: Add DirectoryNotEmptyError subclass of OSError
Lib/test/fork_wait.py	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/imghdrdata/python.jpg	15955 bpo-37629: Update judgment method for jpeg.
Lib/test/imghdrdata/python2.jpeg	8322 bpo-16512: one jpeg image added with different profile, code modified to detect all types of jpg
Lib/test/inspect_fodder.py	10209 bpo-35101: Fix inspect.findsource breaking on class frame objects	16957 bpo-38603: Inherit docstrings in dynamically generated subclasses if possible
Lib/test/libregrtest/main.py	20207 bpo-40275: reduce importing module nums by lazy import in libregrtest
Lib/test/libregrtest/refleak.py	12632 bpo-36485: Add sys.clear_caches().	12639 bpo-36485: Add the cachesreg module.	20197 bpo-40674: Deprecate urllib.request.urlretrieve() and cleanup()	20207 bpo-40275: reduce importing module nums by lazy import in libregrtest
Lib/test/libregrtest/runtest.py	7866 bpo-33949: runtest.py: handle loading of unittests by name
Lib/test/libregrtest/runtest_mp.py	20207 bpo-40275: reduce importing module nums by lazy import in libregrtest
Lib/test/libregrtest/save_env.py	20207 bpo-40275: reduce importing module nums by lazy import in libregrtest
Lib/test/libregrtest/setup.py	20207 bpo-40275: reduce importing module nums by lazy import in libregrtest
Lib/test/libregrtest/utils.py	20207 bpo-40275: reduce importing module nums by lazy import in libregrtest
Lib/test/list_tests.py	8635 bpo-28940: Don't fail early when __length_hint__() is too big for preallocation.	19481 PEP 597: Raise a warning when encoding is omitted
Lib/test/lock_tests.py	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/mod_generics_cache.py	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/test/multibytecodec_support.py	19481 PEP 597: Raise a warning when encoding is omitted
Lib/test/pickletester.py	2821 bpo-26579: Add object.__getstate__().	13036 bpo-36694: Do not memoize temporary objects in the C implementation of pickle.	13445 bpo-36906: Add str.dedent and cache it at compile time	16606 bpo-38384: Fix a possible assertion failure in _pickle	19237 bpo-39734: Deprecate the readinto() fallback path in _pickle.c	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/pyclbr_input.py	18103 bpo-39411: pyclbr rewrite on AST
Lib/test/pythoninfo.py	14331 bpo-37382: check for debug info before testing GDB
Lib/test/sndhdrdata/input1.bad	8319 bpo-34088: sndhdr.what() doesn't fail on bad input.
Lib/test/sndhdrdata/input2.bad	8319 bpo-34088: sndhdr.what() doesn't fail on bad input.
Lib/test/ssl_servers.py	5266 bpo-27815: Make SSL suppress_ragged_eofs default more secure
Lib/test/string_tests.py	13172 bpo-36824: Refactor str tests to reflect that str and unicode are merged in Python 3	16254 bpo-18236: Adjust str.isspace to use Unicode's White_Space property.
Lib/test/support/__init__.py	9826 bpo-23892: Introduce sys.implementation.opt_levels	12409 bpo-36346: Prepare for removing the legacy Unicode C API.	14331 bpo-37382: check for debug info before testing GDB	15881 bpo-7982: Modify captured_output to allow diferent encodings	19390 bpo-40173: Remove redundant import module of import_fresh_module()	19447 bpo-31904: Increase LOOPBACK_TIMEOUT to 10 for VxWorks RTOS	19474 bpo-40255: Implement Immortal Instances	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/support/script_helper.py	13407 bpo-36950: Add run_until in test.support.script_helper
Lib/test/support/threading_helper.py	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/tarfiletestdata/sly_absolute0.tar	15244 bpo-21109: Add SafeTarFile
Lib/test/tarfiletestdata/sly_absolute1.tar	15244 bpo-21109: Add SafeTarFile
Lib/test/tarfiletestdata/sly_dirsymlink0.tar	15244 bpo-21109: Add SafeTarFile
Lib/test/tarfiletestdata/sly_dirsymlink1.tar	15244 bpo-21109: Add SafeTarFile
Lib/test/tarfiletestdata/sly_dirsymlink2.tar	15244 bpo-21109: Add SafeTarFile
Lib/test/tarfiletestdata/sly_dirsymlink3.tar	15244 bpo-21109: Add SafeTarFile
Lib/test/tarfiletestdata/sly_relative0.tar	15244 bpo-21109: Add SafeTarFile
Lib/test/tarfiletestdata/sly_relative1.tar	15244 bpo-21109: Add SafeTarFile
Lib/test/tarfiletestdata/sly_symlink.tar	15244 bpo-21109: Add SafeTarFile
Lib/test/tarfiletestdata/testtar.tar	15244 bpo-21109: Add SafeTarFile
Lib/test/test___future__.py	19660 bpo-40366: Remove support for passing obsolete flags into compile
Lib/test/test__osx_support.py	2482 bpo-30799: Increase test coverage Lib/_osx_support 99%
Lib/test/test__xxsubinterpreters.py	13445 bpo-36906: Add str.dedent and cache it at compile time	18817 bpo-32604: Multiple Interpreters in the Stdlib (PEP 554)	19715 bpo-40390: Implement channel_send_wait for subinterpreters	20012 bpo-40572: [_xxsubinterpreters] Add a way to request basic operations in another interpreter.
Lib/test/test_abc.py	14126 bpo-28869: Set class module to caller module in ABCMeta.__new__	14166 bpo-28869: Skip one additional frame when type.__new__ is called not directly from type.__call__.	16613 bpo-28869: Set up inheritance registry in ABCMeta.__init__.
Lib/test/test_aifc.py	3484 bpo-31412: wave.open takes a path-like object	5952 bpo-32978: Fix reading huge floats in AIFC files.
Lib/test/test_argparse.py	1835 bpo-29626: spacing issue when using help in argparse	3680 bpo-29298: Fix crash with required subparsers without dest	10159 bpo-14856: Deprecate using add_parser() to overwrite an existing subparser	10847 bpo-14074: argparse doesn't allow metavar to be a tuple	13165 bpo-14156: Make argparse.FileType work correctly for binary file mode…	13445 bpo-36906: Add str.dedent and cache it at compile time	15372 bpo-37910: argparse usage wrapping should allow whitespace differences caused by metavar	15656 bpo-36267: Fix index_error of argparse	15714 bpo-14364: fix behavior when '--' as argument to option in argparse.	16917 bpo-38584: fix a bug in argparse with whitespace-only help messages	17447 bpo-38956: remove default option from help string in argparse	18208 bpo-39467: allow user to deprecate CLI arguments	18605 bpo-39716: Raise on conflicting subparser names.
Lib/test/test_array.py	4435 bpo-31956: Add start and stop parameters to array.index()	19800 bpo-40440: memoryview construction of array.array without copy
Lib/test/test_ast.py	13445 bpo-36906: Add str.dedent and cache it at compile time	14970 bpo-15987: Add ast.AST class richcompare methods	17662 bpo-32888: enhance ast.literal_eval error messagess with context information	17715 bpo-38131: Improve messages when generating AST nodes from objects wi…	19031 bpo-39981: Default values for AST nodes	19039 bpo-39989: Output closing parenthesis in ast.dump() on separate line.	19211 bpo-15987: Implement ast.compare	19398 bpo-35212: fix col_offset in f-strings	20196 bpo-40614: Respect feature version for f-string debug expressions	20312 bpo-40726: handle uninitalized end_lineno on ast.increment_lineno
Lib/test/test_asyncgen.py	8895 bpo-31861: Add operator.aiter and operator.anext	11166 bpo-32810: Allow accessing the ags_gen and agt_gen attrs of async generators
Lib/test/test_asynchat.py	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_asyncio/test_base_events.py	9840 bpo-34971: add support for TLS sessions from asyncio	11241 bpo-35302: Try each (remote addrinfo, local addrinfo) pair when connecting.	18628 bpo-39622: Use a custom signal handler in asyncio.run()
Lib/test/test_asyncio/test_events.py	4053 bpo-31821: allow pause_reading() from connection_made()	4149 bpo-31882: Cygwin: fix/skip some tests to work around hang in asyncio/asyncore test suites	9688 bpo-34014: Added support of contextvars for BaseEventLoop.run_in_executor	9840 bpo-34971: add support for TLS sessions from asyncio	15295 bpo-37645: simplify __str__ of function objects	19073 bpo-38377: multiprocessing.SemLock requires working /dev/shm on Linux.	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_asyncio/test_futures.py	8807 bpo-34430 Symmetrical chaining futures in asyncio.future.wrap_future
Lib/test/test_asyncio/test_locks.py	18195 bpo-38599: Deprecate creation of asyncio object when the loop is not running
Lib/test/test_asyncio/test_pep492.py	5068 bpo-32469: Improve representation of the coroutines
Lib/test/test_asyncio/test_proactor_events.py	16863 bpo-38471 Fix _ProactorDatagramTransport close() behaviour
Lib/test/test_asyncio/test_queues.py	14227 bpo-37334: Add a cancel method to asyncio Queues	18195 bpo-38599: Deprecate creation of asyncio object when the loop is not running	20071 bpo-40616: Add `asyncio.BufferQueue`
Lib/test/test_asyncio/test_runners.py	18628 bpo-39622: Use a custom signal handler in asyncio.run()
Lib/test/test_asyncio/test_selector_events.py	17425 bpo-31821: Fixing pause_reading called in connection made is ignored	17975 New asyncio ssl implementation
Lib/test/test_asyncio/test_sock_lowlevel.py	20369 bpo-30064: Fix asyncio sock_recv* racing condition
Lib/test/test_asyncio/test_sslproto.py	17975 New asyncio ssl implementation
Lib/test/test_asyncio/test_streams.py	4149 bpo-31882: Cygwin: fix/skip some tests to work around hang in asyncio/asyncore test suites	4354 bpo-34215: Update streams.py:readuntil IncompleteReadError issue	7473 bpo-30861: Return StreamReeader remaining buffer before raise an exception	16429 bpo-37141: support multiple separators in Stream.readuntil
Lib/test/test_asyncio/test_subprocess.py	20013 bpo-38323: Temporarily skip close_kill_running() for MultiLoopWatcher in test_asyncio	20142 [WIP] bpo-38323: Fix MultiLoopChildWatcher hangs
Lib/test/test_asyncio/test_tasks.py	6694 bpo-33413: asyncio.gather without a special Future	8807 bpo-34430 Symmetrical chaining futures in asyncio.future.wrap_future	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/test/test_asyncio/test_unix_events.py	17755 bpo-38314: Add is_reading() method to asyncio _UnixReadPipeTransport
Lib/test/test_asyncio/test_unix_pipes.py	17755 bpo-38314: Add is_reading() method to asyncio _UnixReadPipeTransport
Lib/test/test_asyncio/utils.py	18628 bpo-39622: Use a custom signal handler in asyncio.run()	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_asyncore.py	2707 bpo-30931: Ensure the right socket is retrieved in asyncore	4149 bpo-31882: Cygwin: fix/skip some tests to work around hang in asyncio/asyncore test suites	11770 bpo-35913: asyncore: allow handling of half closed connections	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_atexit.py	19562 bpo-40288: atexit supports more than once loading per interpreter
Lib/test/test_base64.py	7072 bpo-29427: allow unpadded input and ouput in base64 module	11285 bpo-35557 - Allow base64.b16decode() to accept lowercase hexadecimal characters by default
Lib/test/test_baseexception.py	1011 bpo-29999: repr() of ImportError now contains attributes name and path.
Lib/test/test_bdb.py	13445 bpo-36906: Add str.dedent and cache it at compile time	19481 PEP 597: Raise a warning when encoding is omitted
Lib/test/test_bisect.py	11781 bpo-4356: Add key parameter to functions in bisect module
Lib/test/test_bool.py	6121 bpo-26680: Incorporate is_integer in all built-in and standard library numeric types
Lib/test/test_buffer.py	18463 bpo-39610: Raise TypeError for len(memoryview_0d)
Lib/test/test_builtin.py	779 bpo-27572: Deprecate using bytes-like objects in builtins.	3814 bpo-31603 Add file args to input builtin	7133 bpo-13886: Fix test_builtin.PtyTests tests when readline is loaded	9301 bpo-34676: Always return a 2-tuple from divmod() and PyNumber_Divmod().	13172 bpo-36824: Refactor str tests to reflect that str and unicode are merged in Python 3	13445 bpo-36906: Add str.dedent and cache it at compile time	14432 bpo-26828: Add __length_hint__() to builtin map iterator	19660 bpo-40366: Remove support for passing obsolete flags into compile	20125 bpo-40638: Check for attribute lookup failure in builtin_input_impl
Lib/test/test_bytes.py	2821 bpo-26579: Add object.__getstate__().	3237 bpo-27923: Minor API improvements for binary sequences (PEP 467)	8635 bpo-28940: Don't fail early when __length_hint__() is too big for preallocation.	13445 bpo-36906: Add str.dedent and cache it at compile time	14654 bpo-37367: octal escapes applied inconsistently throughout the interpreter and lib
Lib/test/test_bz2.py	7822 bpo-23224: Fix segfaults and multiple leaks in the lzma and bz2 modules	8486 bpo-34240: Convert test_mmap to use tempfile	19474 bpo-40255: Implement Immortal Instances	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_c_locale_coercion.py	4361 bpo-32002 Fix legacy locale coercion tests on platforms that already have a default C.UTF-8 locale
Lib/test/test_calendar.py	10137 bpo-35078:Allow customization of CSS class name of a month in calendar module
Lib/test/test_call.py	15295 bpo-37645: simplify __str__ of function objects	18609 bpo-20291: varargs support for argument clinic and refactor print with AC
Lib/test/test_capi.py	8204 bpo-23926: Fix handling for removed PyArg_ParseTuple formatters	9332 bpo-34696: Match PyByteArray_FromObject() behavior with the documentation	12607 bpo-35983: improve and test old trashcan macros	13445 bpo-36906: Add str.dedent and cache it at compile time	20104 bpo-40608: restore protection against double-deallocate issue for subclasses of classes that use trashcan	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_capi/__init__.py	8551 bpo-34272: Reorganize C API tests.
Lib/test/test_capi/__main__.py	8551 bpo-34272: Reorganize C API tests.
Lib/test/test_capi/test_getargs.py	8551 bpo-34272: Reorganize C API tests.
Lib/test/test_capi/test_misc.py	8551 bpo-34272: Reorganize C API tests.
Lib/test/test_capi/test_structmembers.py	8551 bpo-34272: Reorganize C API tests.
Lib/test/test_cgi.py	7804 bpo-27777 Fix for several reported cgi.py issues	8530 bpo-34226: fix cgi.parse_multipart without content_length	10771 bpo-27777 : cgi.FieldStorage can't parse simple body with Con…	11764 bpo-27777: cgi.FieldStorage can't parse simple body with Cont…	14815 bpo-37560: Add exception handler in FieldStorage cleanup	19130 bpo-40034: Fix cgi.parse() does not work with multipart POST requests.
Lib/test/test_cgitb.py	6854 bpo-33507: Improve html rendering cgitb	8304 bpo-34129: Add private variables mangling in cgitb.py	9699 bpo-27165: Skip callables when printing an exception details	12316 bpo-15749: Fix text formatting in cgitb when display is disabled	15094 bpo-1047397: prevent repr/getattr exceptions in cgitb
Lib/test/test_class.py	9301 bpo-34676: Always return a 2-tuple from divmod() and PyNumber_Divmod().
Lib/test/test_cmath.py	4169 bpo-31630: Skip tests for tan() near pi/2 on OpenBSD and NetBSD.
Lib/test/test_cmd.py	8015 bpo-28657: Add support for dynamic commands to cmd.Cmd	10588 bpo-35270: Cmd.complete: use completedefault also with cmd=None	13536 bpo-37030: hide undocumented commands in cmd module
Lib/test/test_cmd_line.py	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/test/test_cmd_line_script.py	12490 bpo-36375: PEP 499 implementation: "python -m foo" binds the main module as both __main__ and foo in sys.modules	13445 bpo-36906: Add str.dedent and cache it at compile time	14699 bpo-32381: .pyc files with non-ASCII paths cannot be reopened on Windows
Lib/test/test_code.py	13177 bpo-36839: Support the buffer protocol in code objects
Lib/test/test_codecs.py	9711 bpo-18291: codecs text streams now split lines only with \r, \n and \r\n.	13134 bpo-36819: Fix out-of-bounds writes in encoders	14654 bpo-37367: octal escapes applied inconsistently throughout the interpreter and lib	17726 bpo-19083: IDNA prefix should be case insensitive	19069 bpo-39337: Add a test case to against nomralizeing() of codecs	19940 Fix incorrectly formatted _codecs.charmap_decode error message
Lib/test/test_collections.py	6574 bpo-25478: Add scalar multiplication and division to Counter	17910 bpo-39264: Fix UserDict.get() to account for __missing__()	20339 bpo-40755: Add missing multiset operations to Counter()
Lib/test/test_compare.py	3199 bpo-12067: Add tests to test_compare
Lib/test/test_compile.py	779 bpo-27572: Deprecate using bytes-like objects in builtins.	9647 bpo-34856: Make the repr of lambda containing the signature and body expression.	9923 bpo-34979: fix "SyntaxError: Non-UTF-8 code start with \xe8..." caused by function decoding_fgets	18326 bpo-39537 New line number table format	19481 PEP 597: Raise a warning when encoding is omitted
Lib/test/test_compileall.py	9472 bpo-34722: Consistent serialization of sets in bytecode	9892 WIP: bpo-34990: year 2038 problem in compileall.py	18047 bpo-38848: compileall fails when the platform lacks a working sem_open()	19481 PEP 597: Raise a warning when encoding is omitted	19651 bpo-34990: Change pyc headers to use 64-bit timestamps	19708 bpo-34990: Treat the pyc header's mtime in compileall as an unsigned int	20239 bpo-40692: Run more test_concurrent_futures tests
Lib/test/test_complex.py	19593 bpo-40269: Fix repr for complex.
Lib/test/test_concurrent_futures.py	707 bpo-29842: Make Executor.map less eager so it handles large/unbounded…	4243 bpo-22281 ENH add introspection API for concurrent.futures Executor	4256 bpo-31699: Deadlocks in `concurrent.futures.ProcessPoolExecutor` with unpickling error	12668 bpo-36512: future_factory argument for Thread/ProcessPoolExecutor	18566 bpo-29842: Make Executor.map less eager so it handles large/unbounded…	20239 bpo-40692: Run more test_concurrent_futures tests	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_configparser.py	2735 bpo-22253: Add support to unnamed sections in ConfigParser	13445 bpo-36906: Add str.dedent and cache it at compile time	17129 bpo-38741: Definition of multiple ']' in header configparser	18623 bpo-35885: configparser indent	18629 [WIP] bpo-39725: Suppress only handled exception by "raise ... from ...".
Lib/test/test_contextlib.py	18629 [WIP] bpo-39725: Suppress only handled exception by "raise ... from ...".	19481 PEP 597: Raise a warning when encoding is omitted
Lib/test/test_contextlib_async.py	16667 bpo-38415 @asynccontextmanager as decorators like @contextmanager
Lib/test/test_coroutines.py	5068 bpo-32469: Improve representation of the coroutines	5279 bpo-30491: Add unawaited coroutine tracking mode	6766 bpo-33346: Allow async comprehensions inside implicit async comprehensions.	14592 bpo-37501: Fix test failures when CPython is built without docstrings
Lib/test/test_cprofile.py	3931 bpo-24084: add sub-millisecond display in pstats	13411 bpo-35849 Added thousands separators to Lib/pstats.py final report	14066 bpo-37270: Manage memory lifetime for all type-related objects.
Lib/test/test_csv.py	12071 bpo-36121: Override field_size_limit per csv.reader object	12409 bpo-36346: Prepare for removing the legacy Unicode C API.	13445 bpo-36906: Add str.dedent and cache it at compile time	13710 bpo-12178: Fix escaping of escapechar in csv.writer()	18336 bpo-30825: guess lineterminator in csv.Sniffer	19481 PEP 597: Raise a warning when encoding is omitted
Lib/test/test_curses.py	8576 bpo-34284: Nonsensical exception message when calling `__new__` on non-instantiable objects	13534 bpo-36982: Add support for extended color functions in ncurses 6.1	17536 bpo-36982: Add support for extended color functions in ncurses 6.1	17825 bpo-39214: Add curses.window.in_wch	19392 bpo-40207: Expose NCURSES_EXT_FUNCS
Lib/test/test_dataclasses.py	11361 bpo-35540: Add collections.defaultdict support to dataclasses.{asdict,astuple}	11371 bpo-35232: Add module and qualname arguments to dataclasses.make_dataclass()	14592 bpo-37501: Fix test failures when CPython is built without docstrings	16356 Proof of concept for a class registry in dataclasses.asdict	17322 bpo-36077: Update handling of defaulted fields
Lib/test/test_datetime.py	19213 bpo-40058: Fix failed test_divide_and_round of test_datetime when run more than …
Lib/test/test_dbm.py	20274 bpo-40563: Support pathlike objects on dbm/shelve
Lib/test/test_dbm_dumb.py	20274 bpo-40563: Support pathlike objects on dbm/shelve
Lib/test/test_dbm_gnu.py	20274 bpo-40563: Support pathlike objects on dbm/shelve
Lib/test/test_dbm_ndbm.py	20274 bpo-40563: Support pathlike objects on dbm/shelve
Lib/test/test_decimal.py	6121 bpo-26680: Incorporate is_integer in all built-in and standard library numeric types	9301 bpo-34676: Always return a 2-tuple from divmod() and PyNumber_Divmod().	11405 bpo-35638: Introduce fixed point locale aware format type	12409 bpo-36346: Prepare for removing the legacy Unicode C API.	19481 PEP 597: Raise a warning when encoding is omitted
Lib/test/test_deque.py	2821 bpo-26579: Add object.__getstate__().	9851 bpo-25246: Improve the performance of deque_remove()
Lib/test/test_descr.py	12607 bpo-35983: improve and test old trashcan macros	15205 bpo-37808: Deprecate passing a single argument to super()	16459 bpo-38302. __rpow__ now called when __ipow__ returns NotImplemented	17573 bpo-28866: Add regression test
Lib/test/test_descrtut.py	2821 bpo-26579: Add object.__getstate__().
Lib/test/test_dict.py	14589 bpo-29312: use METH_FASTCALL for dict.update
Lib/test/test_difflib.py	18983 bpo-39891: [difflib] add parameter 'ignorecase' to get_close_matches()
Lib/test/test_dis.py	5077 bpo-32477: Move jumps optimization from the peepholer to the compiler.	6132 bpo-33092: Better bytecodes for f-strings	13177 bpo-36839: Support the buffer protocol in code objects	14116 bpo-1875, bpo-32477: Raise SyntaxError in invalid blocks that will be optimized away.	15513 bpo-30076: Rename the BUILD_{TUPLE,MAP}_UNPACK_WITH_CALL opcodes	18326 bpo-39537 New line number table format	18849 bpo-39902: support equality comparisons in dis.Bytecode	19356 bpo-40169: Make dis.findlabels() accept a code object
Lib/test/test_doctest.py	771 bpo-29882: Add an efficient popcount method for integers	3237 bpo-27923: Minor API improvements for binary sequences (PEP 467)	3419 bpo-17446: Get line numbers of properties in doctest	14756 bpo-25998: Fix doctest badly handling unwrapable objects	17553 bpo-24925: _find_lineno now finds doctest __test__ string line numbers	19481 PEP 597: Raise a warning when encoding is omitted
Lib/test/test_docxmlrpc.py	9647 bpo-34856: Make the repr of lambda containing the signature and body expression.
Lib/test/test_dynamicclassattribute.py	17669 bpo-39102: Increase Enum performance up to 10x times (3x average)
Lib/test/test_email/test__header_value_parser.py	12054 Fix bpo-36041: fix folding of quoted string in display_name violates RFC
Lib/test/test_email/test_contentmanager.py	9578 bpo-34800: Fix email.contentmanager raise error when policy.max_line_length is 0 or None	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/test/test_email/test_defect_handling.py	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/test/test_email/test_email.py	13445 bpo-36906: Add str.dedent and cache it at compile time	13797 bpo-27513: email.utils.getaddresses() now handles Header objects	18074 bpo-27321 Fix email.generator.py to not replace a non-existent header.	18127 bpo-24337: Implement email.message.Message.__repr__()	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_email/test_generator.py	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/test/test_email/test_headerregistry.py	2811 bpo-30988: Fix parsing address headers with dots start/end display name	13445 bpo-36906: Add str.dedent and cache it at compile time	15600 bpo-30988: Fix parsing invalid email address headers starting or ending with a dot	17620 bpo-39040: Fix parsing of email mime headers with whitespace between encoded-words.	19222 [3.8] bpo-39073: validate Address parts to disallow CRLF (GH-19007)	19223 [3.7] bpo-39073: validate Address parts to disallow CRLF (GH-19007)	19224 [3.6] bpo-39073: validate Address parts to disallow CRLF (GH-19007)
Lib/test/test_email/test_message.py	13445 bpo-36906: Add str.dedent and cache it at compile time	18059 bpo-32330 Replace invalid characters in email.message.set_payload().
Lib/test/test_email/test_multipart_signed.py	17695 bpo-39131 email: add easier support for generating multipart/signed messages
Lib/test/test_email/test_parser.py	12214 bpo-36226: Fix multipart false positive header defects
Lib/test/test_email/test_pickleable.py	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/test/test_email/test_policy.py	6986 bpo-33568: Fix inconsistent behavior of non-ascii handling in EmailPolicy.fold	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/test/test_embed.py	8023 bpo-34206: Improve docs and test coverage for pre-init functions	8528 bpo-34255: Ensure that test.test_embed works when blddir != srcdir	13445 bpo-36906: Add str.dedent and cache it at compile time	17575 bpo-36225: Finalise subinterpreters in Py_FinalizeEx()	19481 PEP 597: Raise a warning when encoding is omitted
Lib/test/test_ensurepip.py	12791 bpo-36608: Make ensurepip download artifacts from PyPI	17634 bpo-31046: ensurepip does not honour the value of $(prefix)	19812 bpo-40448: ensurepip: Do not use cache
Lib/test/test_enum.py	17669 bpo-39102: Increase Enum performance up to 10x times (3x average)	18370 bpo-38967: Improve the error msg for reserved _sunder_ names in enum	18641 bpo-39728: enum with invalid value results in ValueError twice	19219 bpo-40084: Enum.__dir__ listing includes entries from instance dict	19762 [3.7] bpo-40025: Require _generate_next_value_ to be defined before members (GH-19098)	19763 [3.8] bpo-40025: Require _generate_next_value_ to be defined before members (GH-19098)	19904 bpo-40025:The behavior is the same when `_generate_next_value_` is defined afte…	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_eof.py	19346 bpo-40176: Improve error messages for unclosed string literals
Lib/test/test_exception_hierarchy.py	15496 bpo-32847: Add DirectoryNotEmptyError subclass of OSError	20253 bpo-39673: Map errno==ETIME to TimeoutError
Lib/test/test_exceptions.py	1011 bpo-29999: repr() of ImportError now contains attributes name and path.	6271 bpo-33159: Add name attribute to NameError	6461 bpo-12029: Exception handling should match subclasses	11580 bpo-27015: Save kwargs given to exceptions constructor	14988 bpo-2920: Use the symbolic errno name in OSError error messages	15496 bpo-32847: Add DirectoryNotEmptyError subclass of OSError	16856 bpo-38530: Offer suggestions on AttributeError	19346 bpo-40176: Improve error messages for unclosed string literals	20106 bpo-40334: Produce better error messages on invalid targets
Lib/test/test_faulthandler.py	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/test/test_fcntl.py	17099 bpo-22367: Add open_file_descriptor parameter to fcntl.lockf()
Lib/test/test_fileinput.py	13221 bpo-36865: allow 'rt' mode in FileInput
Lib/test/test_fileio.py	13717 bpo-36411: Python 3 f.tell() gets out of sync with file pointer in binary append+read mode	14774 bpo-21861: Improve _io.FileIO.__repr__
Lib/test/test_float.py	779 bpo-27572: Deprecate using bytes-like objects in builtins.	11405 bpo-35638: Introduce fixed point locale aware format type	19481 PEP 597: Raise a warning when encoding is omitted
Lib/test/test_format.py	11405 bpo-35638: Introduce fixed point locale aware format type
Lib/test/test_fractions.py	6121 bpo-26680: Incorporate is_integer in all built-in and standard library numeric types	15327 bpo-37836: support .as_integer_ratio() in Fraction
Lib/test/test_fstring.py	17662 bpo-32888: enhance ast.literal_eval error messagess with context information	19346 bpo-40176: Improve error messages for unclosed string literals	19398 bpo-35212: fix col_offset in f-strings
Lib/test/test_ftplib.py	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_funcattrs.py	9647 bpo-34856: Make the repr of lambda containing the signature and body expression.
Lib/test/test_functools.py	19871 bpo-40464: fix return annotation being used as the arg annotation in singledispatch	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_future.py	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/test/test_gc.py	13445 bpo-36906: Add str.dedent and cache it at compile time	19474 bpo-40255: Implement Immortal Instances	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_gdb.py	6481 bpo-33294: Support complex expressions for py-print command.	8828 bpo-34401: add HP GDB version string to test_gdb	14331 bpo-37382: check for debug info before testing GDB
Lib/test/test_generators.py	5068 bpo-32469: Improve representation of the coroutines	17658 bpo-39091: Fix segfault when Exception constructor returns non-exception for gen.throw	19896 bpo-29590: fix stack trace for gen.throw() with yield from
Lib/test/test_genexps.py	5068 bpo-32469: Improve representation of the coroutines
Lib/test/test_getargs2.py	11834 bpo-34235: PyArg_ParseTupleAndKeywords: support required keyword arguments	12409 bpo-36346: Prepare for removing the legacy Unicode C API.
Lib/test/test_gettext.py	19869 bpo-18319: gettext() can retrieve a message even if a plural form exists
Lib/test/test_glob.py	16075 bpo-38144: Add the root_dir and dir_fd parameters in glob.glob().
Lib/test/test_grp.py	19033 bpo-36017: Improve test_grp.test_errors for (big) LDAP directories
Lib/test/test_gzip.py	16405 bpo-38281: Using mode "write" when initializing gzip.GzipFile if there's "+" in the mode string	17682 bpo-39121: write gzip header OS information
Lib/test/test_hashlib.py	19481 PEP 597: Raise a warning when encoding is omitted	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_heapq.py	17422 bpo-38938: Added special case to heapq.merge for small numbers of iterables	18427 bpo-38938: Reduce the number of comparisons in heapq.merge
Lib/test/test_htmlparser.py	9295 bpo-32876: fix handling of invalid markup declarations. (WIP)
Lib/test/test_http_cookiejar.py	11792 bpo-17164: Make MozillaCookieJar use curl's format for session cookies	15023 bpo-37246: Check expiry with current timestamp in DefaultCookiePolicy	17471 bpo-38976: Add support for HTTP Only flag in MozillaCookieJar
Lib/test/test_http_cookies.py	14781 bpo-37522: Modify the parse of Set-Cookie	19058 bpo-40001: BaseCookie add ignore_errors kwarg to load method	19059 bpo-40002: Fix http.cookies.BaseCookie.load inconsistent errors
Lib/test/test_httplib.py	1011 bpo-29999: repr() of ImportError now contains attributes name and path.	8305 bpo-22708: Upgrade HTTP CONNECT to protocol HTTP/1.1	8633 bpo-24255: Replace debug level-related logic in http client with logging	12214 bpo-36226: Fix multipart false positive header defects	13788 bpo-37093: Allow http.client to parse non-ASCII header names	14880 bpo-1346874: Add 'Expect: 100-Continue' support to httplib	18485 bpo-39603: Prevent header injection in http methods	19219 bpo-40084: Enum.__dir__ listing includes entries from instance dict	19300 [3.5] closes bpo-38576: Disallow control characters in hostnames in h…
Lib/test/test_httpservers.py	5308 bpo-32628: support DirectoryIndex for http server	7932 bpo-33973: Only split request lines on b'\x20'	9564 bpo-25095: test_httpservers hangs since Python 3.5	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_imaplib.py	5266 bpo-27815: Make SSL suppress_ragged_eofs default more secure	6395 bpo-13940: imaplib: All string arguments are now quoted when necessary.	10901 bpo-5430: Preservation LF, CR in IMAP4 append method.	15206 bpo-26543: Fix crash on IMAP4.noop when bytes data is passed.	19072 WIP: bpo-33327: Add IMAP4.move_messages() method.	19693 bpo-26543: Fix crash on IMAP4.noop when bytes data is passed.	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_imghdr.py	8322 bpo-16512: one jpeg image added with different profile, code modified to detect all types of jpg	14862 [bpo-16512](https://bugs.python.org/issue16512): Improve jpeg detection in imghdr	15955 bpo-37629: Update judgment method for jpeg.	17993 bpo-39323: Fix directory separator of imghdr cli output
Lib/test/test_imp.py	19481 PEP 597: Raise a warning when encoding is omitted
Lib/test/test_import/__init__.py	13445 bpo-36906: Add str.dedent and cache it at compile time	19481 PEP 597: Raise a warning when encoding is omitted	19651 bpo-34990: Change pyc headers to use 64-bit timestamps	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_importlib/extension/test_loader.py	1735 bpo-30274: Rename 'name' to 'fullname' argument to ExtensionFileLoader.	14592 bpo-37501: Fix test failures when CPython is built without docstrings
Lib/test/test_importlib/fixtures.py	13445 bpo-36906: Add str.dedent and cache it at compile time	19543 [3.8] Clean up compatibility code in importlib fixtures (GH-19156)
Lib/test/test_importlib/source/test_file_loader.py	19651 bpo-34990: Change pyc headers to use 64-bit timestamps
Lib/test/test_importlib/test_abc.py	19005 Small tweak for importlib.resources	19651 bpo-34990: Change pyc headers to use 64-bit timestamps
Lib/test/test_importlib/test_locks.py	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_importlib/test_main.py	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/test/test_importlib/test_metadata_api.py	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/test/test_importlib/test_threaded_import.py	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_importlib/util.py	19481 PEP 597: Raise a warning when encoding is omitted	19651 bpo-34990: Change pyc headers to use 64-bit timestamps
Lib/test/test_inspect.py	736 bpo-29858: inspect.signature for wrappers around decorated bound methods	8602 bpo-34305: Unwrap decorators in getfile, rather than downstream	10209 bpo-35101: Fix inspect.findsource breaking on class frame objects	11590 bpo-35759: add introspection API for asynchronous generators	13445 bpo-36906: Add str.dedent and cache it at compile time	14579 bpo-37497: Add inspect.Signature.from_text().	16521 bpo-38337: Change getattr to inspect.getattr_static	16600 bpo-38364: unwrap partialmethods just like we unwrap partials	16957 bpo-38603: Inherit docstrings in dynamically generated subclasses if possible	18330 bpo-35108: handle exceptions in inspect.getmembers	19261 bpo-29418: Implement inspect.ismethodwrapper and fix inspect.isroutine for cases where methodwrapper is given	19481 PEP 597: Raise a warning when encoding is omitted
Lib/test/test_int.py	779 bpo-27572: Deprecate using bytes-like objects in builtins.
Lib/test/test_interpreters.py	18817 bpo-32604: Multiple Interpreters in the Stdlib (PEP 554)
Lib/test/test_io.py	7496 bpo-28557: error message for bad raw readinto	13445 bpo-36906: Add str.dedent and cache it at compile time	14774 bpo-21861: Improve _io.FileIO.__repr__	15688 bpo-38031: Fix a possible assertion failure in _io.FileIO()	18640 bpo-31718: Fix io.IncrementalNewlineDecoder SystemErrors and segfaults	19481 PEP 597: Raise a warning when encoding is omitted	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_ipaddress.py	1741 bpo-27269: Treat ::FFFF: addresses as IPv4 for ordering and contains.	3632 bpo-30528: Fix IPv{4,6}Network reverse_pointer	11844 bpo-35989: Forbid a netmask > 32 for ipaddress.IPv4Network	18629 [WIP] bpo-39725: Suppress only handled exception by "raise ... from ...".
Lib/test/test_itertools.py	15609 bpo-15999: Accept arbitrary values for boolean parameters.
Lib/test/test_json/test_decode.py	12980 bpo-36738: Add `array_hook` kwarg to json module functions/classes	14977 bpo-30193: Allow to load buffer objects with json.loads()
Lib/test/test_json/test_deque.py	830 bpo-20774: Add a JSON serializer to collections.deque
Lib/test/test_json/test_dump.py	8011 bpo-25457: Allow json.encode() to handle mixed keys when sort_keys=True	13233 bpo-36841: Supporting customization of float encoding in JSON
Lib/test/test_json/test_indent.py	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/test/test_json/test_separators.py	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/test/test_json/test_speedups.py	8011 bpo-25457: Allow json.encode() to handle mixed keys when sort_keys=True	13233 bpo-36841: Supporting customization of float encoding in JSON
Lib/test/test_json/test_tool.py	7865 bpo-33927: Add support for same infile and outfile to json.tool	13445 bpo-36906: Add str.dedent and cache it at compile time	19481 PEP 597: Raise a warning when encoding is omitted
Lib/test/test_json/test_transform.py	1558 bpo-30343: New API for JSON encoder to override supported types
Lib/test/test_lltrace.py	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/test/test_locale.py	4151 bpo-31883: Skip locale test that causes heap corruption on older versions of Cygwin	15275 bpo-34311: Add locale.localize	18142 bpo-17659: Add locale.getfirstweekday
Lib/test/test_logging.py	8303 bpo-32814: Handle 8BITMIME availabilty in smtplib.SMTP.send_message	8633 bpo-24255: Replace debug level-related logic in http client with logging	11875 bpo-36003: change socketserver.TCPServer reuse_addr and backlog default options	13445 bpo-36906: Add str.dedent and cache it at compile time	15286 bpo-37857: Invalidate cache when log level changed directly	19481 PEP 597: Raise a warning when encoding is omitted	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_long.py	771 bpo-29882: Add an efficient popcount method for integers	6121 bpo-26680: Incorporate is_integer in all built-in and standard library numeric types
Lib/test/test_lzma.py	7822 bpo-23224: Fix segfaults and multiple leaks in the lzma and bz2 modules	19481 PEP 597: Raise a warning when encoding is omitted
Lib/test/test_mailbox.py	804 bpo-22319: mailbox.MH now supports folders withou the ".mh_sequences"…	4770 bpo-32234: Context manager available for mailbox instances	11833 bpo-21360: mailbox.Maildir now ignores files with a leading dot	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/test/test_marshal.py	8293 bpo-34093: Stablize FLAG_REF usage (two-pass version)
Lib/test/test_math.py	4169 bpo-31630: Skip tests for tan() near pi/2 on OpenBSD and NetBSD.	19481 PEP 597: Raise a warning when encoding is omitted
Lib/test/test_memoryview.py	3237 bpo-27923: Minor API improvements for binary sequences (PEP 467)
Lib/test/test_mimetypes.py	2895 bpo-31040: Reject undotted extensions in mimetypes.add_type	16567 bpo-34938: mimetypes.init() does not overwrite globals	19481 PEP 597: Raise a warning when encoding is omitted	20199 bpo-40675: Add fonts .woff, .woff2, .eot, .otf and .ttf to mimetypes
Lib/test/test_minidom.py	14757 bpo-13127: Fix attr name setter behavior
Lib/test/test_mmap.py	7017 bpo-23860: Remove unneeded lseek() call in mmap.mmap() (on Windows)	8486 bpo-34240: Convert test_mmap to use tempfile	14133 bpo-37308: Fix possible mojibake in mmap.mmap() when using the tagname param
Lib/test/test_module.py	14592 bpo-37501: Fix test failures when CPython is built without docstrings
Lib/test/test_modulefinder.py	17326 bpo-38721: Add support for import hooks in modulefinder	17817 bpo-39206: Add encoding detecting to modulefinder	19549 bpo-40260: fix API regression with file_info mode field	19917 bpo-40350 Introduce a new type for namespace packages
Lib/test/test_netrc.py	127 bpo-28806: Improve the netrc library	13445 bpo-36906: Add str.dedent and cache it at compile time	17823 bpo-11416: handle multiple .netrc entries per host
Lib/test/test_nntplib.py	9461 bpo-19756: Change remote NNTP server to localhost server for most tests	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/test/test_ntpath.py	14841 bpo-37609: Add device path support in ntpath splitdrive	18841 bpo-39899: Make pathlib use `os.path.expanduser()` to expand home directories	19109 bpo-28859: Fix return value of ismount on Windows
Lib/test/test_numeric_tower.py	6121 bpo-26680: Incorporate is_integer in all built-in and standard library numeric types
Lib/test/test_operator.py	18537 bpo-39664: Add tests for operator module.
Lib/test/test_ordered_dict.py	2821 bpo-26579: Add object.__getstate__().	4292 bpo-31954: Reuse oldkeys if oldkeys->dk_size == newsize.	4901 bpo-31954: Reuse oldkeys if oldkeys->dk_size == newsize. (alt)
Lib/test/test_os.py	1690 bpo-12978: Add support for extended attributes on FreeBSD	5713 bpo-32862: Make os.dup2(fd, fd) a no-op for valid fd	6910 bpo-33525: Add env type checking when spawn called	12907 bpo-28113: Convert Win32{Symlink,Junction}Tests to use support.TESTFN	18629 [WIP] bpo-39725: Suppress only handled exception by "raise ... from ...".	19035 bpo-39986: Make test_listdir from test_os more robust	19915 bpo-40507: Add filename to the error raised by os.exec*	20256 bpo-31904: Fix os module failures for VxWorks RTOS	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_pathlib.py	10349 bpo-22276: Fix pathlib.Path.glob not to ignore trailing path separator	11133 bpo-35306: Handle '*' in pathlib.Path functions on Windows	11165 bpo-35498: Added slice support to PathLib parents attribute.	12361 bpo-36305: Fixes to path handling and parsing in pathlib	12785 bpo-36602: Allow pathlib.Path.iterdir to list recursively	14022 bpo-37130: Path('..').name now returns ''	17716 bpo-38671: Make sure to return an absolute path in pathlib._WindowsFlavour.resolve()	18841 bpo-39899: Make pathlib use `os.path.expanduser()` to expand home directories	18864 bpo-39906: add follow_symlinks parameter to pathlib.Path.stat() and chmod()	18909 bpo-39950: add `pathlib.Path.hardlink_to()` method that supersedes `link_to()`	19632 bpo-29847: Fix bug when Path takes and ignores **kwargs	19813 bpo-40358: add strict param to pathlib.PurePath.relative_to	20288 bpo-39783: Optimize contruction of Path and PurePath objects
Lib/test/test_pdb.py	779 bpo-27572: Deprecate using bytes-like objects in builtins.	1756 bpo-30429: bdb and pdb: Add watchpoint function	2399 bpo-30761: pdb: Add step/next count argument	6730 bpo-33446: destructors of local variables are now traced	7563 bpo-33757: Fix separate test_pdb_next_command_in_generator_for_loop	12479 bpo-36388: pdb: do_debug: restore previous sys.gettrace (might be None)	12731 bpo-36563: pdb: do not read .pdbrc twice when in $HOME	13269 bpo-22135: Allow to break into pdb with Ctrl-C for all the commands t…	13445 bpo-36906: Add str.dedent and cache it at compile time	15194 bpo-21161: pdb: default: handle list comprehensions	18180 bpo-37022: pdb: do not swallow exceptions from `repr` with `do_p`/`do_pp`	18326 bpo-39537 New line number table format
Lib/test/test_peepholer.py	5077 bpo-32477: Move jumps optimization from the peepholer to the compiler.	14068 bpo-37271: Optimize bytecode multiple times until it cannot be optimized further
Lib/test/test_peg_generator/test_c_parser.py	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/test/test_peg_generator/test_pegen.py	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/test/test_peg_parser.py	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/test/test_pkg.py	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/test/test_pkgutil.py	11956 bpo-36053 fix pkgutil.walk_packages	12871 bpo-14817: add tests to extend_path
Lib/test/test_plistlib.py	18622 bpo-39732: encode UIDs in XML as CF$UID
Lib/test/test_poll.py	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_poplib.py	1864 bpo-30514: test_pop3lib asyncore with asyncio	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_posix.py	13445 bpo-36906: Add str.dedent and cache it at compile time	15609 bpo-15999: Accept arbitrary values for boolean parameters.	19481 PEP 597: Raise a warning when encoding is omitted	20254 bpo-31904: fix fifo test cases for VxWorks RTOS	20256 bpo-31904: Fix os module failures for VxWorks RTOS
Lib/test/test_pprint.py	1008 bpo-29996: The width of the terminal is now used as default width in pprint()
Lib/test/test_profile.py	13411 bpo-35849 Added thousands separators to Lib/pstats.py final report	19910 bpo-40492: Fix `--outfile` when the program being profiled changes the working directory
Lib/test/test_property.py	2487 bpo-24766: doc= argument to subclasses of property not handled correctly	19474 bpo-40255: Implement Immortal Instances
Lib/test/test_pty.py	4167 bpo-26228: pty.spawn hangs on FreeBSD, OS X, and Solaris	12049 bpo-26228: Fix pty EOF handling
Lib/test/test_py_compile.py	17134 bpo-40456: add quiet mode for py_compile main	19651 bpo-34990: Change pyc headers to use 64-bit timestamps
Lib/test/test_pyclbr.py	13445 bpo-36906: Add str.dedent and cache it at compile time	16466 bpo-38307:completes the Stack implementation to yield ending line for each class.	18103 bpo-39411: pyclbr rewrite on AST
Lib/test/test_pydoc.py	13225 bpo-18387: Add 'symbols' link to pydoc's html menu bar	13445 bpo-36906: Add str.dedent and cache it at compile time	14592 bpo-37501: Fix test failures when CPython is built without docstrings	19481 PEP 597: Raise a warning when encoding is omitted	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_queue.py	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_raise.py	18629 [WIP] bpo-39725: Suppress only handled exception by "raise ... from ...".
Lib/test/test_range.py	4378 bpo-28197: Add start and stop keywords to range.index() method
Lib/test/test_re.py	12427 bpo-35859: fix bugs in re engine	14744 bpo-7940: add support for negative end positions to re.finditer and re.findall	17501 bpo-38981: Rename re.error to re.ReCompileError for better readability.
Lib/test/test_readline.py	1738 bpo-30431: Raise ValueError in case of NULL in input prompt
Lib/test/test_regrtest.py	13445 bpo-36906: Add str.dedent and cache it at compile time	19474 bpo-40255: Implement Immortal Instances
Lib/test/test_repl.py	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/test/test_reprlib.py	9647 bpo-34856: Make the repr of lambda containing the signature and body expression.	18343 bpo-39549: reprlib.Repr uses a “fillvalue” attribute
Lib/test/test_rlcompleter.py	19957 bpo-40529: rlcompleter with case insensitive
Lib/test/test_robotparser.py	17794 bpo-39187: robotparser does not respect longest match	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_safetarfile.py	15244 bpo-21109: Add SafeTarFile
Lib/test/test_sax.py	9265 [WIP] bpo-17239: XML entity expansion limitation
Lib/test/test_sched.py	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_scope.py	3640 [PEP 558 - WIP] bpo-30744: Trace hooks no longer reset closure state
Lib/test/test_script_helper.py	13407 bpo-36950: Add run_until in test.support.script_helper
Lib/test/test_selectors.py	2562 bpo-30844: selectors: add urgent data to read event	11193 bpo-35517: selector.EpollSelector: add new parameter to support extra events
Lib/test/test_set.py	2821 bpo-26579: Add object.__getstate__().	19481 PEP 597: Raise a warning when encoding is omitted
Lib/test/test_shelve.py	19639 bpo-34204: Use pickle.DEFAULT_PROTOCOL in shelve	20274 bpo-40563: Support pathlike objects on dbm/shelve
Lib/test/test_shlex.py	2799 bpo-24869: Add startline and endline attributes to the tokens returned by shlex	10871 bpo-25567: Add the support of bytes in quotes.
Lib/test/test_shutil.py	1659 bpo-30400: Fix race condition in shutil.copyfile()	4912 bpo-32347: Emulate Libc copyfiles()'s st_flags logic on Darwin	12697 bpo-14841: shutil.get_terminal_size: use stdin/stderr also	13738 bpo-35964: shutil.make_archive (xxx, tar, root_dir) is adding './' entry to archive which is wrong	14064 bpo-37260: shutil.rmtree() FileNotFoundError race condition	14419 bpo-37366: add onitem callback argument to shutil.rmtree()	14464 bpo-36656: Add race-free os.symlink wrapper / helper	15811 bpo-18108: Adding dir_fd and follow_symlinks keyword args to shutil.chown	16575 bpo-37700: Raise a shutil.SpecialFileError when copying a Unix socket	16797 bpo-38288: adding strict_timestamps keyword arg to shutil.make_archive	19008 bpo-39948: Fix compatibility with Mac OS X 10.4 and 10.5	20088 bpo-40592: shutil.which will not return None anymore if ; is the last char in PATHEXT
Lib/test/test_signal.py	8920 bpo-23325: Turn signal.SIG_DFL and signal.SIG_IGN into functions.	14988 bpo-2920: Use the symbolic errno name in OSError error messages
Lib/test/test_site.py	6434 bpo-33222: Add canonicalisation to paths in site test suite.	8536 bpo-28140: Add help message for pip in REPL	12107 bpo-33944: Add site.py debugging via PYTHONSITEDEBUG	12110 bpo-33944: Add site.py site-packages tracing in verbose mode	12131 bpo-36160: Fix AttributeError on sysconfig._CONFIG_VARS.clear() if test_site is run separately	13208 bpo-29779: New environment variable PYTHONHISTORY	17414 bpo-38937: exec lines from .pth files in a copy of the site.py globals
Lib/test/test_smtpd.py	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/test/test_smtplib.py	5176 bpo-28879: Add Date header if missing in smtplib send_message	8303 bpo-32814: Handle 8BITMIME availabilty in smtplib.SMTP.send_message	12148 bpo-29539: Implementation to return all mta status codes	13445 bpo-36906: Add str.dedent and cache it at compile time	15064 bpo-29750: support non-ASCII passwords in smtplib	18896 bpo-32803: Handle DATA correctly for LMTP with multiple RCPT	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_sndhdr.py	8319 bpo-34088: sndhdr.what() doesn't fail on bad input.
Lib/test/test_socket.py	2435 bpo-30710: getaddrinfo raises OverflowError	2436 bpo-30711: getaddrinfo invalid port number	4152 bpo-31885: Cygwin: fix/skip some tests to work around hang in socket test suite	10415 bpo-35191: Fix unexpected integer truncation in socket.setblocking()	12370 bpo-31062: Allow socket.makefile to handle line buffering properly	12864 bpo-18564: Fix integer overflow in socketmodule.	13503 bpo-37013: Fix the error handling in socket.if_indextoname()	14710 bpo-27379: In order to keep backward compatibility, update SocketType's type	19548 bpo-40297: Fix test_socket.CANTest.testSendFrame	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_socketserver.py	5258 bpo-32608: Adding a server into socketserver that handles client connection in new "multiprocessing.Process" processes.	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_source_encoding.py	9923 bpo-34979: fix "SyntaxError: Non-UTF-8 code start with \xe8..." caused by function decoding_fgets	15881 bpo-7982: Modify captured_output to allow diferent encodings
Lib/test/test_sqlite.py	17768 bpo-39170: Sqlite3 row_factory for attribute access: sqlite3.NamedRow
Lib/test/test_ssl.py	2449 bpo-16487: allow certificates to be specified from memory	5162 bpo-18369: [WIP] Add certificate and private key types	5266 bpo-27815: Make SSL suppress_ragged_eofs default more secure	5771 bpo-32882: Added support for X25519 in SSLContext.set_ecdh_curve()	7559 bpo-31711: Fix for calling SSLSocket.send with empty input.	8055 bpo-34001: Change handling of SSL protocol bounds with LibreSSL	8620 bpo-33062: Add SSL renegotiation and key update	16820 bpo-36076: Add SNI support to ssl.get_server_certificate.	17938 bpo-18233: Add SSLSocket.get_verified_chain() and SSLSocket.get_unverified_chain()	18011 bpo-39342: Expose X509_V_FLAG_ALLOW_PROXY_CERTS in ssl module	20263 bpo-40275: Adding a threading_helper in test.support	20310 bpo-40262: SSLSocket.recv_into() shouldn't require __len__
Lib/test/test_stat.py	19481 PEP 597: Raise a warning when encoding is omitted	20130 bpo-40648: Test modes that file can get with chmod() on Windows	20254 bpo-31904: fix fifo test cases for VxWorks RTOS
Lib/test/test_statistics.py	16813 bpo-38490: statistics: Add covariance, Pearson's correlation, and simple linear regression
Lib/test/test_str.py	13172 bpo-36824: Refactor str tests to reflect that str and unicode are merged in Python 3
Lib/test/test_string.py	19065 bpo-39985: Make string.Formatter with empty field name default to 0
Lib/test/test_strptime.py	13408 bpo-36959: Fix checks for invalid ISO date formats in _strptime	18629 [WIP] bpo-39725: Suppress only handled exception by "raise ... from ...".
Lib/test/test_struct.py	3984 bpo-31779: Prevent assertion failures and a crash when using an uninitialized struct.Struct object	14777 bpo-34543: Fix SystemErrors and segfaults with uninitialized Structs	16928 bpo-35714: Reject null characters in struct format strings
Lib/test/test_subprocess.py	11580 bpo-27015: Save kwargs given to exceptions constructor	13445 bpo-36906: Add str.dedent and cache it at compile time	19481 PEP 597: Raise a warning when encoding is omitted	19897 bpo-40497: Fix handling of check in subprocess.check_output()	20010 bpo-40550: fix time-of-check/time-of-action issue in multiprocessing
Lib/test/test_sunau.py	3484 bpo-31412: wave.open takes a path-like object
Lib/test/test_super.py	15205 bpo-37808: Deprecate passing a single argument to super()
Lib/test/test_support.py	13445 bpo-36906: Add str.dedent and cache it at compile time	15881 bpo-7982: Modify captured_output to allow diferent encodings
Lib/test/test_symbol.py	19481 PEP 597: Raise a warning when encoding is omitted
Lib/test/test_syntax.py	4501 bpo-32055: Raise SyntaxWarning for chained `in' and `not in'.	20106 bpo-40334: Produce better error messages on invalid targets
Lib/test/test_sys.py	4292 bpo-31954: Reuse oldkeys if oldkeys->dk_size == newsize.	4901 bpo-31954: Reuse oldkeys if oldkeys->dk_size == newsize. (alt)	8046 bpo-33955: Support USE_STACKCHECK on macOS	8576 bpo-34284: Nonsensical exception message when calling `__new__` on non-instantiable objects	8755 bpo-34392: Add sys.isinterned().	9826 bpo-23892: Introduce sys.implementation.opt_levels	11580 bpo-27015: Save kwargs given to exceptions constructor	12632 bpo-36485: Add sys.clear_caches().	13445 bpo-36906: Add str.dedent and cache it at compile time	14066 bpo-37270: Manage memory lifetime for all type-related objects.	14773 bpo-24053: Add EXIT_SUCCESS and EXIT_FAILURE values in the sys module	15205 bpo-37808: Deprecate passing a single argument to super()	19232 bpo-40120: Fix unbounded struct char[] undefined behavior.	19474 bpo-40255: Implement Immortal Instances	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_sys_settrace.py	3640 [PEP 558 - WIP] bpo-30744: Trace hooks no longer reset closure state	5077 bpo-32477: Move jumps optimization from the peepholer to the compiler.	6730 bpo-33446: destructors of local variables are now traced	18326 bpo-39537 New line number table format
Lib/test/test_sysconfig.py	9362 bpo-34689: Prevent sysconfig._parse_makefile from expanding $${variables}	19481 PEP 597: Raise a warning when encoding is omitted
Lib/test/test_tabnanny.py	13445 bpo-36906: Add str.dedent and cache it at compile time	14988 bpo-2920: Use the symbolic errno name in OSError error messages	19481 PEP 597: Raise a warning when encoding is omitted
Lib/test/test_tarfile.py	1808 bpo-30438 - Avoid untar errors when write-protected files are tarred twice	2734 bpo-31020: Add support for custom compressor in tarfile	2962 bpo-26253: Add compressionlevel to tarfile stream	5397 bpo-32695: Add docs and tests for compresslevel and preset in tarfile	10714 bpo-35227: Add support for file objects of unknown size to tarfile	11445 bpo-19974: Make extractall method of tarfile overwrites directory sym…	13217 bpo-12800: 'tarfile.StreamError: seeking backwards is not allowed' when extract symlink	13738 bpo-35964: shutil.make_archive (xxx, tar, root_dir) is adding './' entry to archive which is wrong	13817 bpo-37144: Convert path-like object to regular path	15244 bpo-21109: Add SafeTarFile
Lib/test/test_tempfile.py	1936 bpo-28867: Warn when NamedTemporaryFile is not explicitly closed	3249 bpo-26175: Fix SpooledTemporaryFile IOBase abstract	10627 bpo-35278: Sanitize tempfile prefix to prevent directory treversal	14292 bpo-37302: Add an "onerror" callback parameter to the tempfile.TemporaryDirectory member functions	17607 bpo-39047: Skip chflags UF_IMMUTABLE tests if EOPNOTSUPP is raised. (GH-17607)
Lib/test/test_textwrap.py	2224 bpo-30680: textwrap support for true (Unicode) em-dashes	5615 bpo-32397: Fix textwrap.wrap() so it's stable if run twice.	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/test/test_thread.py	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_threadedtempfile.py	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_threading.py	13445 bpo-36906: Add str.dedent and cache it at compile time	15175 bpo-37788: fix reference leak caused by threading._shutdown_locks	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_threading_local.py	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_threadsignals.py	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_time.py	8802 bpo-34423: Fix check for overflow when casting from a double to integral types.	11636 bpo-35707: support __index__ and __float__ in time functions	13768 bpo-37086: fixed time.sleep error message	18629 [WIP] bpo-39725: Suppress only handled exception by "raise ... from ...".
Lib/test/test_timeit.py	1161 bpo-30080: Add the --duplicate option for CLI of timeit.	12953 bpo-36461: Added the total_time parameter to the timeit.autorange() function.	12954 bpo-36461: timeit - Additional changes for autorange	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/test/test_tk.py	18727 bpo-10572: Moving tests - clean start - tkinter, sqlite3, ctypes
Lib/test/test_tokenize.py	14840 bpo-37621: Don't emit NEWLINE tokens on blank line continuations
Lib/test/test_tools/test_c_analyzer/test_cpython/test_supported.py	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/test/test_tools/test_c_analyzer/test_parser/test_declarations.py	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/test/test_tools/test_c_analyzer/test_parser/test_preprocessor.py	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/test/test_tools/test_c_analyzer/test_variables/test_known.py	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/test/test_tools/test_i18n.py	10875 bpo-35335: explicitely allows msgfmt.py to compile more than one input po files	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/test/test_tools/test_pdeps.py	19481 PEP 597: Raise a warning when encoding is omitted
Lib/test/test_tools/test_pindent.py	13445 bpo-36906: Add str.dedent and cache it at compile time	19481 PEP 597: Raise a warning when encoding is omitted
Lib/test/test_trace.py	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/test/test_traceback.py	327 bpo-26389: Allow traceback function to only get an exception instance (instead of 3 args)	13445 bpo-36906: Add str.dedent and cache it at compile time	18629 [WIP] bpo-39725: Suppress only handled exception by "raise ... from ...".
Lib/test/test_ttk_guionly.py	18727 bpo-10572: Moving tests - clean start - tkinter, sqlite3, ctypes
Lib/test/test_ttk_textonly.py	18727 bpo-10572: Moving tests - clean start - tkinter, sqlite3, ctypes
Lib/test/test_tuple.py	8635 bpo-28940: Don't fail early when __length_hint__() is too big for preallocation.
Lib/test/test_turtle_gui.py	13494 WIP: bpo-21914: Add tests for Turtle GUI
Lib/test/test_types.py	5068 bpo-32469: Improve representation of the coroutines	8576 bpo-34284: Nonsensical exception message when calling `__new__` on non-instantiable objects	11405 bpo-35638: Introduce fixed point locale aware format type
Lib/test/test_typing.py	9808 bpo-34963: Create callable types in `typing.NewType`	9951 bpo-34963: Make the repr of the typing.NewType() result more meaningful.	12632 bpo-36485: Add sys.clear_caches().	12639 bpo-36485: Add the cachesreg module.
Lib/test/test_unicode.py	11270 bpo-27772: Make preciding width with 0 valid in string format.	12409 bpo-36346: Prepare for removing the legacy Unicode C API.	13445 bpo-36906: Add str.dedent and cache it at compile time	15300 bpo-37864: Correct and deduplicate "isprintable" docs; add test.	16254 bpo-18236: Adjust str.isspace to use Unicode's White_Space property.
Lib/test/test_unicodedata.py	16254 bpo-18236: Adjust str.isspace to use Unicode's White_Space property.	19457 bpo-40243: Use numeric_changed for UCD.numeric
Lib/test/test_univnewlines.py	19481 PEP 597: Raise a warning when encoding is omitted
Lib/test/test_unpack.py	19036 bpo-39816: More descriptive error msg than "too many values to unpack"	19446 bpo-40202: Show the number of values in the too-many-to-unpack error
Lib/test/test_unpack_ex.py	18264 bpo-39320: Fix changes in the evaluation logic of unpacking operations.	19036 bpo-39816: More descriptive error msg than "too many values to unpack"
Lib/test/test_unparse.py	19612 bpo-28002: Roundtrip f-strings with ast.unparse better
Lib/test/test_urllib.py	1795 bpo-30462: urllib: NO_PROXY env. variable can contain domain with asterisk	1936 bpo-28867: Warn when NamedTemporaryFile is not explicitly closed	10616 bpo-25439: Added additional type checks to urllib.request.Request	16903 bpo-38567: Handle bytes as input to urllib.parse.unquote_plus	19300 [3.5] closes bpo-38576: Disallow control characters in hostnames in h…	20197 bpo-40674: Deprecate urllib.request.urlretrieve() and cleanup()
Lib/test/test_urllib2.py	1936 bpo-28867: Warn when NamedTemporaryFile is not explicitly closed	10616 bpo-25439: Added additional type checks to urllib.request.Request	11292 bpo-33661: Clear Authorization header when redirect to cross-site	15642 bpo-37969: Correct urllib.parse functions dropping the delimiters of empty URI components	19305 [3.5] bpo-39503: CVE-2020-8492: Fix AbstractBasicAuthHandler (GH-18284)
Lib/test/test_urllib2_localnet.py	1936 bpo-28867: Warn when NamedTemporaryFile is not explicitly closed	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_urllib2net.py	13951 bpo-37222: Fix for CacheFTPHandler in urllib
Lib/test/test_urllib_response.py	1936 bpo-28867: Warn when NamedTemporaryFile is not explicitly closed
Lib/test/test_urlparse.py	3901 bpo-31706: Make urlencode accept generators as value	5645 bpo-32779: Fix urljoining with an empty query string.	12368 bpo-35100: add unquote_to_bytes_plus to the urllib.parse module	15297 bpo-34276: round-trip file URI's with multiple leading slashes	15642 bpo-37969: Correct urllib.parse functions dropping the delimiters of empty URI components	16780 bpo-36338: urllib.urlparse rejects invalid IPv6 addresses	18710 bpo-39799: Never return base's fragment from urllib.parse.urljoin	19741 bpo-40409: Updates urlsplit scheme validation logic	19945 bpo-18857: urlencode: Add flag to prevent rendering NoneType values as literal string 'None'	19949 bpo-18857: parse_qs*: Add flag to allow parsing NoneType values from serialized query-strings
Lib/test/test_userstring.py	13172 bpo-36824: Refactor str tests to reflect that str and unicode are merged in Python 3
Lib/test/test_utf8_mode.py	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/test/test_venv.py	13445 bpo-36906: Add str.dedent and cache it at compile time	14272 bpo-37349: Allow specification of custom environmental variables in EnvBuilder
Lib/test/test_warnings/__init__.py	8232 [WIP] bpo-29672: Save and restore module warning registries in catch_warnings	9358 bpo-34624: Allow regex for module passed via -W or PYTHONWARNINGS	13445 bpo-36906: Add str.dedent and cache it at compile time	18878 bpo-39912: Raise appropriate exceptions in filterwarnings() and simplefilter()
Lib/test/test_warnings/data/submodule_warning.py	9358 bpo-34624: Allow regex for module passed via -W or PYTHONWARNINGS
Lib/test/test_wave.py	3484 bpo-31412: wave.open takes a path-like object	9515 bpo-32990: Support WAVE_FORMAT_EXTENSIBLE in the wave module
Lib/test/test_weakref.py	19707 bpo-40383: Reprs of subclasses of weakref now contain actual type name
Lib/test/test_weakset.py	2821 bpo-26579: Add object.__getstate__().
Lib/test/test_winconsoleio.py	9922 bpo-34187: _WindowsConsoleIO rises correct exception
Lib/test/test_wsgiref.py	12955 bpo-18099: Don't set Content-Length for 1xx, 204 and 304 requests	15299 bpo-11671: add header validation from http.client to wsgiref.headers.Headers	20262 bpo-40700: make WSGIRequestHandler can use an easy way to replace the ServerHandler
Lib/test/test_xml_etree.py	2821 bpo-26579: Add object.__getstate__().	5251 bpo-32476 : Add concat function for ElementTree find	11050 bpo-17088: Fix handling of XML attributes when serializing with default namespace	13267 bpo-36954: Skip test_recursive_repr test when running test_xml_etree under coverage trace	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/test/test_xml_etree_c.py	3956 bpo-31758: Prevent reference leaks in __setstate__() and __init__() of _elementtree.Element	19921 bpo-36543: Restore cElementTree and mark it for removal in 3.10	20117 bpo-36543: Revert "bpo-36543: Remove the xml.etree.cElementTree module."
Lib/test/test_xmlrpc.py	20263 bpo-40275: Adding a threading_helper in test.support
Lib/test/test_yield_from.py	1011 bpo-29999: repr() of ImportError now contains attributes name and path.
Lib/test/test_zipapp.py	19879 bpo-40481: Add include and exclude filters to zipapp cli
Lib/test/test_zipfile.py	5053 bpo-28494: Fix false positives when using zipfile.is_zipfile()	5534 bpo-32728: Add compresslevel support for zipfile and LZMA	14957 bpo-37538: Zipfile refactor	15401 bpo-37921: Better handle symlinks in the zipfile module	16529 bpo-38334: Fix seeking bug for encrypted zipfiles	17327 bpo-38886: add option to zipfile.writestr to open permissions	18031 bpo-39359, zipfile: add missing "pwd: expected bytes, got str" exception	19337 bpo-40105: Truncating file if opened in append mode.	20002 bpo-40506: add support for path-like filenames in ZipFile.writestr
Lib/test/test_zipimport.py	9892 WIP: bpo-34990: year 2038 problem in compileall.py	19651 bpo-34990: Change pyc headers to use 64-bit timestamps	19708 bpo-34990: Treat the pyc header's mtime in compileall as an unsigned int
Lib/test/test_zipimport_support.py	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/test/test_zlib.py	11754 bpo-26243: data= is positional-only just on CPython	17048 bpo-38687: Expose zlib 'adler32_combine' function to Python zlib module
Lib/test/tkinter_test/README	18727 bpo-10572: Moving tests - clean start - tkinter, sqlite3, ctypes
Lib/test/tkinter_test/__init__.py	18727 bpo-10572: Moving tests - clean start - tkinter, sqlite3, ctypes
Lib/test/tkinter_test/runtktests.py	18727 bpo-10572: Moving tests - clean start - tkinter, sqlite3, ctypes
Lib/test/tkinter_test/support.py	18727 bpo-10572: Moving tests - clean start - tkinter, sqlite3, ctypes
Lib/test/tkinter_test/test_tkinter/__init__.py	18727 bpo-10572: Moving tests - clean start - tkinter, sqlite3, ctypes
Lib/test/tkinter_test/test_tkinter/test_font.py	18727 bpo-10572: Moving tests - clean start - tkinter, sqlite3, ctypes
Lib/test/tkinter_test/test_tkinter/test_geometry_managers.py	18727 bpo-10572: Moving tests - clean start - tkinter, sqlite3, ctypes
Lib/test/tkinter_test/test_tkinter/test_images.py	18727 bpo-10572: Moving tests - clean start - tkinter, sqlite3, ctypes
Lib/test/tkinter_test/test_tkinter/test_loadtk.py	18727 bpo-10572: Moving tests - clean start - tkinter, sqlite3, ctypes
Lib/test/tkinter_test/test_tkinter/test_misc.py	18727 bpo-10572: Moving tests - clean start - tkinter, sqlite3, ctypes
Lib/test/tkinter_test/test_tkinter/test_text.py	18727 bpo-10572: Moving tests - clean start - tkinter, sqlite3, ctypes
Lib/test/tkinter_test/test_tkinter/test_variables.py	18727 bpo-10572: Moving tests - clean start - tkinter, sqlite3, ctypes
Lib/test/tkinter_test/test_tkinter/test_widgets.py	18727 bpo-10572: Moving tests - clean start - tkinter, sqlite3, ctypes
Lib/test/tkinter_test/test_ttk/__init__.py	18727 bpo-10572: Moving tests - clean start - tkinter, sqlite3, ctypes
Lib/test/tkinter_test/test_ttk/test_extensions.py	18727 bpo-10572: Moving tests - clean start - tkinter, sqlite3, ctypes
Lib/test/tkinter_test/test_ttk/test_functions.py	18727 bpo-10572: Moving tests - clean start - tkinter, sqlite3, ctypes
Lib/test/tkinter_test/test_ttk/test_style.py	18727 bpo-10572: Moving tests - clean start - tkinter, sqlite3, ctypes
Lib/test/tkinter_test/test_ttk/test_widgets.py	18727 bpo-10572: Moving tests - clean start - tkinter, sqlite3, ctypes
Lib/test/tkinter_test/widget_tests.py	18727 bpo-10572: Moving tests - clean start - tkinter, sqlite3, ctypes
Lib/test/xmltestdata/expansionlimit.xml	9265 [WIP] bpo-17239: XML entity expansion limitation
Lib/test/xmltestdata/nestinglimit.xml	9265 [WIP] bpo-17239: XML entity expansion limitation
Lib/textwrap.py	2224 bpo-30680: textwrap support for true (Unicode) em-dashes	5615 bpo-32397: Fix textwrap.wrap() so it's stable if run twice.	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/threading.py	2681 bpo-25516: Fix Condition._is_owned() is when using threading.Lock	14578 bpo-15500: Export threading.Thread() names to the OS	15175 bpo-37788: fix reference leak caused by threading._shutdown_locks
Lib/timeit.py	1161 bpo-30080: Add the --duplicate option for CLI of timeit.	12953 bpo-36461: Added the total_time parameter to the timeit.autorange() function.	12954 bpo-36461: timeit - Additional changes for autorange	20286 bpo-40670: Calling timeit.timeit with empty string uses 'pass' by default
Lib/tkinter/Change_Themes.py	19618 Create Change_Themes.py
Lib/tkinter/__init__.py	4786 bpo-13553: Document tkinter.Tk args	5664 bpo-32839: Add after_info to tkinter	6578 bpo-33289: Return RGB triplet of ints instead of floats from tkinter.colorchooser	7142 bpo-3405: Add support for user data of Tk virtual events to tkinter	9647 bpo-34856: Make the repr of lambda containing the signature and body expression.	17954 bpo-31485: Fix Misc.unbind behaviour when funcid is given
Lib/tkinter/colorchooser.py	6578 bpo-33289: Return RGB triplet of ints instead of floats from tkinter.colorchooser
Lib/tkinter/simpledialog.py	17775 bpo-39171: Missing root in tkinter simpledialog.py _QueryDialog
Lib/tkinter/test/test_tkinter/test_colorchooser.py	6578 bpo-33289: Return RGB triplet of ints instead of floats from tkinter.colorchooser
Lib/tkinter/test/test_tkinter/test_event.py	7142 bpo-3405: Add support for user data of Tk virtual events to tkinter
Lib/tkinter/test/test_tkinter/test_internals.py	8576 bpo-34284: Nonsensical exception message when calling `__new__` on non-instantiable objects
Lib/tkinter/test/test_tkinter/test_misc.py	5664 bpo-32839: Add after_info to tkinter	6578 bpo-33289: Return RGB triplet of ints instead of floats from tkinter.colorchooser
Lib/tkinter/test/test_tkinter/test_threads.py	6444 bpo-33257: Fix race conditions for non-threaded Tcl
Lib/tokenize.py	14840 bpo-37621: Don't emit NEWLINE tokens on blank line continuations
Lib/traceback.py	327 bpo-26389: Allow traceback function to only get an exception instance (instead of 3 args)	13359 bpo-36927: Improve the docstring and Doc of traceback.	17855 [WIP/RFC] bpo-39228: traceback.FrameSummary: handle error via repr
Lib/tty.py	19440 bpo-40229 tty unblocking setraw and save-restore features
Lib/turtle.py	19465 bpo-26571: fix Turtle Terminator Exception
Lib/turtledemo/__main__.py	19145 turtledemo enhancements
Lib/turtledemo/_temp.py	19145 turtledemo enhancements
Lib/types.py	5068 bpo-32469: Improve representation of the coroutines	17669 bpo-39102: Increase Enum performance up to 10x times (3x average)
Lib/typing.py	9808 bpo-34963: Create callable types in `typing.NewType`	9951 bpo-34963: Make the repr of the typing.NewType() result more meaningful.	12632 bpo-36485: Add sys.clear_caches().	12639 bpo-36485: Add the cachesreg module.
Lib/unittest/case.py	1505 bpo-30181: parse docstring using pydoc	4800 bpo-29620: iterate over a copy of sys.modules	10034 Fix bpo-19217: Calling assertEquals for moderately long list takes too long	11204 Fix bpo-19217: Calling assertEquals for moderately long list takes too long	12271 bpo-4080: unittest durations	13151 bpo-36825: Make TestCase aware of the command line arguments given to TestProgram	13180 bpo-36674: Stops skipped tests from running in debug mode.	18067 bpo-39385: Add an assertNoLogs context manager to unittest.TestCase
Lib/unittest/loader.py	4998 bpo-32419 Add unittest support for pyc projects, skip news	11364 bpo-35617: Fix for unittest discover not working with implicit namespace packages	13149 bpo-24263: Fix unittest to discover tests named with non-ascii characters	13151 bpo-36825: Make TestCase aware of the command line arguments given to TestProgram	13259 bpo-36777: unittest discover should not throw TypeError on empty packages	15242 bpo-15010, unittest: _top_level_dir is incorrectly persisted	20237 bpo-40690: Check that testcase.__module__ != 'unittest.case'
Lib/unittest/main.py	12271 bpo-4080: unittest durations	13151 bpo-36825: Make TestCase aware of the command line arguments given to TestProgram
Lib/unittest/mock.py	1982 bpo-30587: Adds signature checking for mock autospec object method calls	4476 bpo-32092: Mock patch fix autospec	9301 bpo-34676: Always return a 2-tuple from divmod() and PyNumber_Divmod().	12753 bpo-36581: Fix dir() on MagicMock with tuple specs	16094 bpo-17013: New mock to wait for multi-threaded events to happen	16137 [3.8] bpo-38122: minor fixes to AsyncMock spec handling (GH-16099).	17291 bpo-34716: Change MagicMock().__divmod__ to return a pair of MagicMock instances	18198 black run over mock files	18347 bpo-39551: mock patch should match behavior of import from when module isn't present in sys.modules	18544 replace unittest.mock._importer with pkgutil.resolve_name	19102 bpo-39966: Fix wrapped objects exception mockunittest
Lib/unittest/mock/__init__.py	19310 bpo-40133: Add ` unittest.mock.matchers` with additional matching classes
Lib/unittest/mock/matchers.py	19310 bpo-40133: Add ` unittest.mock.matchers` with additional matching classes
Lib/unittest/result.py	12271 bpo-4080: unittest durations
Lib/unittest/runner.py	12271 bpo-4080: unittest durations
Lib/unittest/test/test_assertions.py	6461 bpo-12029: Exception handling should match subclasses	10034 Fix bpo-19217: Calling assertEquals for moderately long list takes too long	11204 Fix bpo-19217: Calling assertEquals for moderately long list takes too long
Lib/unittest/test/test_break.py	12271 bpo-4080: unittest durations
Lib/unittest/test/test_case.py	1505 bpo-30181: parse docstring using pydoc	4800 bpo-29620: iterate over a copy of sys.modules	9647 bpo-34856: Make the repr of lambda containing the signature and body expression.	10034 Fix bpo-19217: Calling assertEquals for moderately long list takes too long	11204 Fix bpo-19217: Calling assertEquals for moderately long list takes too long	13180 bpo-36674: Stops skipped tests from running in debug mode.	18067 bpo-39385: Add an assertNoLogs context manager to unittest.TestCase
Lib/unittest/test/test_discovery.py	13149 bpo-24263: Fix unittest to discover tests named with non-ascii characters	13151 bpo-36825: Make TestCase aware of the command line arguments given to TestProgram	13259 bpo-36777: unittest discover should not throw TypeError on empty packages	15242 bpo-15010, unittest: _top_level_dir is incorrectly persisted
Lib/unittest/test/test_functiontestcase.py	1505 bpo-30181: parse docstring using pydoc
Lib/unittest/test/test_program.py	12271 bpo-4080: unittest durations	13151 bpo-36825: Make TestCase aware of the command line arguments given to TestProgram
Lib/unittest/test/test_result.py	1505 bpo-30181: parse docstring using pydoc	12271 bpo-4080: unittest durations	13445 bpo-36906: Add str.dedent and cache it at compile time
Lib/unittest/test/test_runner.py	12271 bpo-4080: unittest durations
Lib/unittest/test/testmock/__init__.py	18198 black run over mock files
Lib/unittest/test/testmock/__main__.py	18198 black run over mock files
Lib/unittest/test/testmock/support.py	18198 black run over mock files
Lib/unittest/test/testmock/testasync.py	18198 black run over mock files
Lib/unittest/test/testmock/testcallable.py	18198 black run over mock files
Lib/unittest/test/testmock/testhelpers.py	14311 bpo-20177: Convert the time module to the Argument Clinic	18198 black run over mock files
Lib/unittest/test/testmock/testmagicmethods.py	9301