time issue noticeable when compiling code with a large number of "and"
and "or" operators.
-Library
--------
-
-- Issue #21463: In urllib.request, fix pruning of the FTP cache.
-
-- Issue #21618: The subprocess module could fail to close open fds that were
- inherited by the calling process and already higher than POSIX resource
- limits would otherwise allow. On systems with a functioning /proc/self/fd
- or /dev/fd interface the max is now ignored and all fds are closed.
-
-- Issue #21552: Fixed possible integer overflow of too long string lengths in
- the tkinter module on 64-bit platforms.
-
-- Issue #14315: The zipfile module now ignores extra fields in the central
- directory that are too short to be parsed instead of letting a struct.unpack
- error bubble up as this "bad data" appears in many real world zip files in
- the wild and is ignored by other zip tools.
+- Issue #21418: Fix a crash in the builtin function super() when called without
+ argument and without current frame (ex: embedded Python).
-- Issue #21402: tkinter.ttk now works when default root window is not set.
+- Issue #21425: Fix flushing of standard streams in the interactive
+ interpreter.
-- Issue #10203: sqlite3.Row now truly supports sequence protocol. In particulr
- it supports reverse() and negative indices. Original patch by Claudiu Popa.
+- Issue #21435: In rare cases, when running finalizers on objects in cyclic
+ trash a bad pointer dereference could occur due to a subtle flaw in
+ internal iteration logic.
-- Issue #18807: If copying (no symlinks) specified for a venv, then the python
- interpreter aliases (python, python3) are now created by copying rather than
- symlinking.
+- Issue #21233: Add new C functions: PyMem_RawCalloc(), PyMem_Calloc(),
+ PyObject_Calloc(), _PyObject_GC_Calloc(). bytes(int) is now using
+ ``calloc()`` instead of ``malloc()`` for large objects which is faster and
+ use less memory.
-- Issue #14710: pkgutil.get_loader() no longer raises an exception when None is
- found in sys.modules.
+- Issue #21377: PyBytes_Concat() now tries to concatenate in-place when the
+ first argument has a reference count of 1. Patch by Nikolaus Rath.
-- Issue #14710: pkgutil.find_loader() no longer raises an exception when a
- module doesn't exist.
+- Issue #20355: -W command line options now have higher priority than the
+ PYTHONWARNINGS environment variable. Patch by Arfrever.
-- Issue #21481: Argparse equality and inequality tests now return
- NotImplemented when comparing to an unknown type.
+- Issue #21274: Define PATH_MAX for GNU/Hurd in Python/pythonrun.c.
-- Issue #8743: Fix interoperability between set objects and the
- collections.Set() abstract base class.
+- Issue #20904: Support setting FPU precision on m68k.
-- Issue #13355: random.triangular() no longer fails with a ZeroDivisionError
- when low equals high.
+- Issue #21209: Fix sending tuples to custom generator objects with the yield
+ from syntax.
-- Issue #21538: The plistlib module now supports loading of binary plist files
- when reference or offset size is not a power of two.
+- Issue #21193: pow(a, b, c) now raises ValueError rather than TypeError when b
+ is negative. Patch by Josh Rosenberg.
-Build
------
+- PEP 465 and Issue #21176: Add the '@' operator for matrix multiplication.
-- Issue #17095: Fix Modules/Setup *shared* support.
+- Issue #21134: Fix segfault when str is called on an uninitialized
+ UnicodeEncodeError, UnicodeDecodeError, or UnicodeTranslateError object.
-IDLE
-----
+- Issue #19537: Fix PyUnicode_DATA() alignment under m68k. Patch by
+ Andreas Schwab.
-- Issue #18910: Add unittest for textView. Patch by Phil Webster.
+- Issue #20929: Add a type cast to avoid shifting a negative number.
-- Issue #18292: Add unittest for AutoExpand. Patch by Saihadhav Heblikar.
+- Issue #20731: Properly position in source code files even if they
+ are opened in text mode. Patch by Serhiy Storchaka.
-- Issue #18409: Add unittest for AutoComplete. Patch by Phil Webster.
+- Issue #20637: Key-sharing now also works for instance dictionaries of
+ subclasses. Patch by Peter Ingebretson.
-Tests
------
+- Issue #8297: Attributes missing from modules now include the module name
+ in the error text. Original patch by ysj.ray.
-- Issue #18492: All resources are now allowed when tests are not run by
- regrtest.py.
+- Issue #19995: %c, %o, %x, and %X now raise TypeError on non-integer input.
-- Issue #21634: Fix pystone micro-benchmark: use floor division instead of true
- division to benchmark integers instead of floating point numbers. Set pystone
- version to 1.2. Patch written by Lennart Regebro.
+- Issue #19655: The ASDL parser - used by the build process to generate code for
+ managing the Python AST in C - was rewritten. The new parser is self contained
+ and does not require to carry long the spark.py parser-generator library;
+ spark.py was removed from the source base.
-- Issue #21605: Added tests for Tkinter images.
+- Issue #12546: Allow \x00 to be used as a fill character when using str, int,
+ float, and complex __format__ methods.
-- Issue #21493: Added test for ntpath.expanduser(). Original patch by
- Claudiu Popa.
+- Issue #20480: Add ipaddress.reverse_pointer. Patch by Leon Weber.
-- Issue #19925: Added tests for the spwd module. Original patch by Vajrasky Kok.
+- Issue #13598: Modify string.Formatter to support auto-numbering of
+ replacement fields. It now matches the behavior of str.format() in
+ this regard. Patches by Phil Elson and Ramchandra Apte.
-- Issue #21522: Added Tkinter tests for Listbox.itemconfigure(),
- PanedWindow.paneconfigure(), and Menu.entryconfigure().
+- Issue #8931: Make alternate formatting ('#') for type 'c' raise an
+ exception. In versions prior to 3.5, '#' with 'c' had no effect. Now
+ specifying it is an error. Patch by Torsten Landschoff.
-Windows
+Library
-------
-- Issue #21671, CVE-2014-0224: The bundled version of OpenSSL has been
- updated to 1.0.1h.
-
+- Issue #21515: tempfile.TemporaryFile now uses os.O_TMPFILE flag is available.
-What's New in Python 3.4.1?
-===========================
-
-Release date: 2014-05-18
-
-Core and Builtins
------------------
++- Issue #21463: In urllib.request, fix pruning of the FTP cache.
+
-- Issue #21418: Fix a crash in the builtin function super() when called without
- argument and without current frame (ex: embedded Python).
+- Issue #21618: The subprocess module could fail to close open fds that were
+ inherited by the calling process and already higher than POSIX resource
+ limits would otherwise allow. On systems with a functioning /proc/self/fd
+ or /dev/fd interface the max is now ignored and all fds are closed.
-- Issue #21425: Fix flushing of standard streams in the interactive
- interpreter.
+- Issue #20383: Introduce importlib.util.module_from_spec() as the preferred way
+ to create a new module.
-- Issue #21435: In rare cases, when running finalizers on objects in cyclic
- trash a bad pointer dereference could occur due to a subtle flaw in
- internal iteration logic.
+- Issue #21552: Fixed possible integer overflow of too long string lengths in
+ the tkinter module on 64-bit platforms.
-Library
--------
+- Issue #14315: The zipfile module now ignores extra fields in the central
+ directory that are too short to be parsed instead of letting a struct.unpack
+ error bubble up as this "bad data" appears in many real world zip files in
+ the wild and is ignored by other zip tools.
-- Issue #10744: Fix PEP 3118 format strings on ctypes objects with a nontrivial
- shape.
+- Issue #13742: Added "key" and "reverse" parameters to heapq.merge().
+ (First draft of patch contributed by Simon Sapin.)
-- Issue #20998: Fixed re.fullmatch() of repeated single character pattern
- with ignore case. Original patch by Matthew Barnett.
+- Issue #21402: tkinter.ttk now works when default root window is not set.
-- Issue #21075: fileinput.FileInput now reads bytes from standard stream if
- binary mode is specified. Patch by Sam Kimbrel.
+- Issue #3015: _tkinter.create() now creates tkapp object with wantobject=1 by
+ default.
-- Issue #21396: Fix TextIOWrapper(..., write_through=True) to not force a
- flush() on the underlying binary stream. Patch by akira.
+- Issue #10203: sqlite3.Row now truly supports sequence protocol. In particulr
+ it supports reverse() and negative indices. Original patch by Claudiu Popa.
-- Issue #21470: Do a better job seeding the random number generator by
- using enough bytes to span the full state space of the Mersenne Twister.
+- Issue #18807: If copying (no symlinks) specified for a venv, then the python
+ interpreter aliases (python, python3) are now created by copying rather than
+ symlinking.
-- Issue #21398: Fix an unicode error in the pydoc pager when the documentation
- contains characters not encodable to the stdout encoding.
+- Issue #20197: Added support for the WebP image type in the imghdr module.
+ Patch by Fabrice Aneche and Claudiu Popa.
-Tests
------
+- Issue #21513: Speedup some properties of IP addresses (IPv4Address,
+ IPv6Address) such as .is_private or .is_multicast.
-- Issue #17756: Fix test_code test when run from the installed location.
+- Issue #21137: Improve the repr for threading.Lock() and its variants
+ by showing the "locked" or "unlocked" status. Patch by Berker Peksag.
-- Issue #17752: Fix distutils tests when run from the installed location.
+- Issue #21538: The plistlib module now supports loading of binary plist files
+ when reference or offset size is not a power of two.
-IDLE
-----
+- Issue #21455: Add a default backlog to socket.listen().
-- Issue #18104: Add idlelib/idle_test/htest.py with a few sample tests to begin
- consolidating and improving human-validated tests of Idle. Change other files
- as needed to work with htest. Running the module as __main__ runs all tests.
+- Issue #21525: Most Tkinter methods which accepted tuples now accept lists too.
+- Issue #10744: Fix PEP 3118 format strings on ctypes objects with a nontrivial
+ shape.
-What's New in Python 3.4.1rc1?
-==============================
+- Issue #20826: Optimize ipaddress.collapse_addresses().
-Release date: 2014-05-05
+- Issue #21487: Optimize ipaddress.summarize_address_range() and
+ ipaddress.{IPv4Network,IPv6Network}.subnets().
-Core and Builtins
------------------
+- Issue #21486: Optimize parsing of netmasks in ipaddress.IPv4Network and
+ ipaddress.IPv6Network.
-- Issue #21274: Define PATH_MAX for GNU/Hurd in Python/pythonrun.c.
+- Issue #13916: Disallowed the surrogatepass error handler for non UTF-*
+ encodings.
-- Issue #21209: Fix sending tuples to custom generator objects with the yield
- from syntax.
+- Issue #20998: Fixed re.fullmatch() of repeated single character pattern
+ with ignore case. Original patch by Matthew Barnett.
-- Issue #21134: Fix segfault when str is called on an uninitialized
- UnicodeEncodeError, UnicodeDecodeError, or UnicodeTranslateError object.
+- Issue #21075: fileinput.FileInput now reads bytes from standard stream if
+ binary mode is specified. Patch by Sam Kimbrel.
-- Issue #19537: Fix PyUnicode_DATA() alignment under m68k. Patch by
- Andreas Schwab.
+- Issue #19775: Add a samefile() method to pathlib Path objects. Initial
+ patch by Vajrasky Kok.
-- Issue #20929: Add a type cast to avoid shifting a negative number.
+- Issue #21398: Fix an unicode error in the pydoc pager when the documentation
+ contains characters not encodable to the stdout encoding.
-- Issue #20731: Properly position in source code files even if they
- are opened in text mode. Patch by Serhiy Storchaka.
+- Issue #16531: ipaddress.IPv4Network and ipaddress.IPv6Network now accept
+ an (address, netmask) tuple argument, so as to easily construct network
+ objects from existing addresses.
-- Issue #20637: Key-sharing now also works for instance dictionaries of
- subclasses. Patch by Peter Ingebretson.
+- Issue #21156: importlib.abc.InspectLoader.source_to_code() is now a
+ staticmethod.
-- Issue #12546: Allow \x00 to be used as a fill character when using str, int,
- float, and complex __format__ methods.
+- Issue #21424: Simplified and optimized heaqp.nlargest() and nmsmallest()
+ to make fewer tuple comparisons.
-- Issue #13598: Modify string.Formatter to support auto-numbering of
- replacement fields. It now matches the behavior of str.format() in
- this regard. Patches by Phil Elson and Ramchandra Apte.
+- Issue #21396: Fix TextIOWrapper(..., write_through=True) to not force a
+ flush() on the underlying binary stream. Patch by akira.
-Library
--------
+- Issue #18314: Unlink now removes junctions on Windows. Patch by Kim Gräsman
- Issue #21088: Bugfix for curses.window.addch() regression in 3.4.0.
In porting to Argument Clinic, the first two arguments were reversed.
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