Core and Builtins
-----------------
-Library
--------
-
-- Issue #19449: in csv's writerow, handle non-string keys when generating the
- error message that certain keys are not in the 'fieldnames' list.
-
-- Fix test.support.bind_port() to not cause an error when Python was compiled
- on a system with SO_REUSEPORT defined in the headers but run on a system
- with an OS kernel that does not support that reasonably new socket option.
-
-- Fix compilation error under gcc of the ctypes module bundled libffi for arm.
-
-- Issue #19523: Closed FileHandler leak which occurred when delay was set.
-
-- Issue #13674: Prevented time.strftime from crashing on Windows when given
- a year before 1900 and a format of %y.
-
-- Issue #19544 and Issue #6286: Restore use of urllib over http allowing use
- of http_proxy for Distutils upload command, a feature accidentally lost
- in the rollback of distutils2.
-
-- Issue #19544 and Issue #7457: Restore the read_pkg_file method to
- distutils.dist.DistributionMetadata accidentally removed in the undo of
- distutils2.
-
-- Issue #1575020: Fixed support of 24-bit wave files on big-endian platforms.
-
-- Issue #19480: HTMLParser now accepts all valid start-tag names as defined
- by the HTML5 standard.
-
-- Issue #6157: Fixed tkinter.Text.debug(). Original patch by Guilherme Polo.
+- Issue #12892: The utf-16* and utf-32* encoders no longer allow surrogate code
+ points (U+D800-U+DFFF) to be encoded. The utf-32* decoders no longer decode
+ byte sequences that correspond to surrogate code points. The surrogatepass
+ error handler now works with the utf-16* and utf-32* codecs. Based on
+ patches by Victor Stinner and Kang-Hao (Kenny) Lu.
-- Issue #6160: The bbox() method of tkinter.Spinbox now returns a tuple of
- integers instead of a string. Based on patch by Guilherme Polo.
-
-- Issue #10197: Rework subprocess.get[status]output to use subprocess
- functionality and thus to work on Windows. Patch by Nick Coghlan.
+- Issue #17806: Added keyword-argument support for "tabsize" to
+ str/bytes.expandtabs().
-- Issue #19286: Directories in ``package_data`` are no longer added to
- the filelist, preventing failure outlined in the ticket.
-
-Tests
------
+- Issue #17828: Output type errors in str.encode(), bytes.decode() and
+ bytearray.decode() now direct users to codecs.encode() or codecs.decode()
+ as appropriate.
-- Issue #19596: Set untestable tests in test_importlib to None to avoid
- reporting success on empty tests.
+- Issue #17828: The interpreter now attempts to chain errors that occur in
+ codec processing with a replacement exception of the same type that
+ includes the codec name in the error message. It ensures it only does this
+ when the creation of the replacement exception won't lose any information.
-- Issue #19440: Clean up test_capi by removing an unnecessary __future__
- import, converting from test_main to unittest.main, and running the
- _testcapi module tests within a unittest TestCase.
+- Issue #19466: Clear the frames of daemon threads earlier during the
+ Python shutdown to call objects destructors. So "unclosed file" resource
+ warnings are now corretly emitted for daemon threads.
-- Issue #18702: All skipped tests now reported as skipped.
+- Issue #19514: Deduplicate some _Py_IDENTIFIER declarations.
+ Patch by Andrei Dorian Duma.
-- Issue #19085: Added basic tests for all tkinter widget options.
+- Issue #17936: Fix O(n**2) behaviour when adding or removing many subclasses
+ of a given type.
-Build
------
+- Issue #19428: zipimport now handles errors when reading truncated or invalid
+ ZIP archive.
+- Issue #18408: Add a new PyFrame_FastToLocalsWithError() function to handle
+ exceptions when merging fast locals into f_locals of a frame.
+ PyEval_GetLocals() now raises an exception and return NULL on failure.
-What's New in Python 3.3.3?
-===========================
+- Issue #19369: Optimized the usage of __length_hint__().
-*Release date: 17-Nov-2013*
+- Issue #18603: Ensure that PyOS_mystricmp and PyOS_mystrnicmp are in the
+ Python executable and not removed by the linker's optimizer.
-No changes from release candidate 2.
+- Issue #19306: Add extra hints to the faulthandler module's stack
+ dumps that these are "upside down".
+Library
+-------
-What's New in Python 3.3.3 release candidate 2?
-===============================================
++- Issue #19449: in csv's writerow, handle non-string keys when generating the
++ error message that certain keys are not in the 'fieldnames' list.
+
-*Release date: 11-Nov-2013*
+- Issue #8402: Added the escape() function to the glob module.
-Library
--------
+- Issue #17618: Add Base85 and Ascii85 encoding/decoding to the base64 module.
-- Issue #19227: Any re-seeding of the OpenSSL RNG on fork has been removed;
- this should be handled by OpenSSL itself or by the application.
+- Issue #19634: time.strftime("%y") now raises a ValueError on AIX when given a
+ year before 1900.
-- Issue #19435: Fix directory traversal attack on CGIHttpRequestHandler.
+- Fix test.support.bind_port() to not cause an error when Python was compiled
+ on a system with SO_REUSEPORT defined in the headers but run on a system
+ with an OS kernel that does not support that reasonably new socket option.
-Tests
------
+- Fix compilation error under gcc of the ctypes module bundled libffi for arm.
-- Issue #18964: Fix test_tcl when run with Tcl/Tk versions < 8.5.
+- Issue #19448: Add private API to SSL module to lookup ASN.1 objects by OID,
+ NID, short name and long name.
-Build
------
+- Issue #19282: dbm.open now supports the context manager protocol. (Inital
+ patch by Claudiu Popa)
-- Issue #15663: Revert OS X installer built-in Tcl/Tk support for 3.3.3.
- Some third-party projects, such as Matplotlib and PIL/Pillow,
- depended on being able to build with Tcl and Tk frameworks in
- /Library/Frameworks.
+- Issue #8311: Added support for writing any bytes-like objects in the aifc,
+ sunau, and wave modules.
+- Issue #5202: Added support for unseekable files in the wave module.
-What's New in Python 3.3.3 release candidate 1?
-===============================================
+- Issue #19544 and Issue #1180: Restore global option to ignore
+ ~/.pydistutils.cfg in Distutils, accidentally removed in backout of
+ distutils2 changes.
-*Release date: 27-Oct-2013*
+- Issue #19523: Closed FileHandler leak which occurred when delay was set.
-Core and Builtins
------------------
+- Issue #19544 and #6516: Restore support for --user and --group parameters to
+ sdist command accidentally rolled back as part of the distutils2 rollback.
-- Issue #18603: Ensure that PyOS_mystricmp and PyOS_mystrnicmp are in the
- Python executable and not removed by the linker's optimizer.
+- Issue #13674: Prevented time.strftime from crashing on Windows when given
+ a year before 1900 and a format of %y.
-- Issue #19279: UTF-7 decoder no more produces illegal strings.
+- Issue #19406: implementation of the ensurepip module (part of PEP 453).
+ Patch by Donald Stufft and Nick Coghlan.
-- Fix macro expansion of _PyErr_OCCURRED(), and make sure to use it in at
- least one place so as to avoid regressions.
+- Issue #19544 and Issue #6286: Restore use of urllib over http allowing use
+ of http_proxy for Distutils upload command, a feature accidentally lost
+ in the rollback of distutils2.
-- Issue #19014: memoryview.cast() is now allowed on zero-length views.
+- Issue #19544 and Issue #7457: Restore the read_pkg_file method to
+ distutils.dist.DistributionMetadata accidentally removed in the undo of
+ distutils2.
-- Issue #19098: Prevent overflow in the compiler when the recursion limit is set
- absurdly high.
+- Issue #16685: Added support for any bytes-like objects in the audioop module.
+ Removed support for strings.
-- Issue #18942: sys._debugmallocstats() output was damaged on Windows.
+- Issue #7171: Add Windows implementation of ``inet_ntop`` and ``inet_pton``
+ to socket module. Patch by Atsuo Ishimoto.
-- Issue #18667: Add missing "HAVE_FCHOWNAT" symbol to posix._have_functions.
+- Issue #19261: Added support for writing 24-bit samples in the sunau module.
-- Issue #18368: PyOS_StdioReadline() no longer leaks memory when realloc()
- fails.
+- Issue #1097797: Added CP273 encoding, used on IBM mainframes in
+ Germany and Austria. Mapping provided by Michael Bierenfeld.
-- Issue #16741: Fix an error reporting in int().
+- Issue #1575020: Fixed support of 24-bit wave files on big-endian platforms.
-- Issue #17899: Fix rare file descriptor leak in os.listdir().
+- Issue #19378: Fixed a number of cases in the dis module where the new
+ "file" parameter was not being honoured correctly
-- Issue #18552: Check return value of PyArena_AddPyObject() in
- obj2ast_object().
+- Issue #19378: Removed the "dis.Bytecode.show_info" method
-- Issue #18560: Fix potential NULL pointer dereference in sum().
+- Issue #19378: Renamed the "dis.Bytecode.display_code" method to
+ "dis.Bytecode.dis" and converted it to returning a string rather than
+ printing output.
-- Issue #15905: Fix theoretical buffer overflow in handling of sys.argv[0],
- prefix and exec_prefix if the operation system does not obey MAXPATHLEN.
+- Issue #19378: the "line_offset" parameter in the new "dis.get_instructions"
+ API has been renamed to "first_line" (and the default value and usage
+ changed accordingly). This should reduce confusion with the more common use
+ of "offset" in the dis docs to refer to bytecode offsets.
-- Issue #18344: Fix potential ref-leaks in _bufferedreader_read_all().
+- Issue #18678: Corrected spwd struct member names in spwd module:
+ sp_nam->sp_namp, and sp_pwd->sp_pwdp. The old names are kept as extra
+ structseq members, for backward compatibility.
-- Issue #17872: Fix a segfault in marshal.load() when input stream returns
- more bytes than requested.
+- Issue #6157: Fixed tkinter.Text.debug(). tkinter.Text.bbox() now raises
+ TypeError instead of TclError on wrong number of arguments. Original patch
+ by Guilherme Polo.
-- Issue #18426: Fix NULL pointer dereference in C extension import when
- PyModule_GetDef() returns an error.
+- Issue #10197: Rework subprocess.get[status]output to use subprocess
+ functionality and thus to work on Windows. Patch by Nick Coghlan
-- Issue #18328: Reorder ops in PyThreadState_Delete*() functions. Now the
- tstate is first removed from TLS and then deallocated.
+- Issue #6160: The bbox() method of tkinter.Spinbox now returns a tuple of
+ integers instead of a string. Based on patch by Guilherme Polo.
-- Issue #18184: PyUnicode_FromFormat() and PyUnicode_FromFormatV() now raise
- OverflowError when an argument of %c format is out of range.
+- Issue #19403: contextlib.redirect_stdout is now reentrant
-- Issue #18137: Detect integer overflow on precision in float.__format__()
- and complex.__format__().
+- Issue #19286: Directories in ``package_data`` are no longer added to
+ the filelist, preventing failure outlined in the ticket.
-- Issue #18183: Fix various unicode operations on strings with large unicode
- codepoints.
+- Issue #19480: HTMLParser now accepts all valid start-tag names as defined
+ by the HTML5 standard.
-- Issue #18180: Fix ref leak in _PyImport_GetDynLoadWindows().
+- Issue #15114: The html.parser module now raises a DeprecationWarning when the
+ strict argument of HTMLParser or the HTMLParser.error method are used.
-- Issue #18038: SyntaxError raised during compilation sources with illegal
- encoding now always contains an encoding name.
+- Issue #19410: Undo the special-casing removal of '' for
+ importlib.machinery.FileFinder.
-- Issue #17644: Fix a crash in str.format when curly braces are used in square
- brackets.
+- Issue #19424: Fix the warnings module to accept filename containing surrogate
+ characters.
-- Issue #17983: Raise a SyntaxError for a ``global __class__`` statement in a
- class body.
+- Issue #19435: Fix directory traversal attack on CGIHttpRequestHandler.
-- Issue #17927: Frame objects kept arguments alive if they had been copied into
- a cell, even if the cell was cleared.
+- Issue #19227: Remove pthread_atfork() handler. The handler was added to
+ solve #18747 but has caused issues.
-Library
--------
+- Issue #19420: Fix reference leak in module initalization code of
+ _hashopenssl.c
-- Issue #19395: Raise an exception when attempting to pickle a bz2 or lzma
- compressor/decompressor object, rather than creating a pickle that would
- cause a segfault when loaded and used.
+- Issue #19329: Optimized compiling charsets in regular expressions.
- Issue #19227: Try to fix deadlocks caused by re-seeding then OpenSSL
pseudo-random number generator on fork().
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