Library
-------
-- Issue #10744: Fix PEP 3118 format strings on ctypes objects with a nontrivial
- shape.
++- 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 #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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