- Issue #15801: Make sure mappings passed to '%' formatting are actually
subscriptable.
-- Issue #15726: Fix incorrect bounds checking in PyState_FindModule.
- Patch by Robin Schreiber.
+Library
+-------
-- Issue #15604: Update uses of PyObject_IsTrue() to check for and handle
- errors correctly. Patch by Serhiy Storchaka.
++- Issue #15421: fix an OverflowError in Calendar.itermonthdates() after
++ datetime.MAXYEAR. Patch by Cédric Krier.
+
-- Issue #13119: sys.stdout and sys.stderr are now using "\r\n" newline on
- Windows, as Python 2.
+- Issue #15970: xml.etree.ElementTree now serializes correctly the empty HTML
+ elements 'meta' and 'param'.
-- Issue #14579: Fix CVE-2012-2135: vulnerability in the utf-16 decoder after
- error handling. Patch by Serhiy Storchaka.
+- Issue #15842: the SocketIO.{readable,writable,seekable} methods now
+ raise ValueError when the file-like object is closed. Patch by Alessandro
+ Moura.
-- Issue #15404: Refleak in PyMethodObject repr.
+- Issue #15882: Change _decimal to accept any coefficient tuple when
+ constructing infinities. This is done for backwards compatibility
+ with decimal.py: Infinity coefficients are undefined in _decimal
+ (in accordance with the specification).
-- Issue #15394: An issue in PyModule_Create that caused references to
- be leaked on some error paths has been fixed. Patch by Julia Lawall.
+- Issue #15876: Fix a refleak in the curses module: window.encoding.
-- Issue #15368: An issue that caused bytecode generation to be
- non-deterministic when using randomized hashing (-R) has been fixed.
+- Issue #15881: Fixed atexit hook in multiprocessing. Original patch
+ by Chris McDonough.
-- Issue #15020: The program name used to search for Python's path is now
- "python3" under Unix, not "python".
+- Issue #15340: Fix importing the random module when /dev/urandom cannot
+ be opened. This was a regression caused by the hash randomization patch.
-- Issue #15033: Fix the exit status bug when modules invoked using -m swith,
- return the proper failure return value (1). Patch contributed by Jeff Knupp.
+- Issue #15841: The readable(), writable() and seekable() methods of BytesIO
+ and StringIO objects now raise ValueError when the object has been closed.
+ Patch by Alessandro Moura.
-- Issue #12268: File readline, readlines and read() or readall() methods
- no longer lose data when an underlying read system call is interrupted.
- IOError is no longer raised due to a read system call returning EINTR
- from within these methods.
+- Issue #15447: Use subprocess.DEVNULL in webbrowser, instead of opening
+ os.devnull explicitly and leaving it open.
-- Issue #15142: Fix reference leak when deallocating instances of types
- created using PyType_FromSpec().
+- Issue #15509: webbrowser.UnixBrowser no longer passes empty arguments to
+ Popen when %action substitutions produce empty strings.
-- Issue #10053: Don't close FDs when FileIO.__init__ fails. Loosely based on
- the work by Hirokazu Yamamoto.
+- Issue #12776,#11839: call argparse type function (specified by add_argument)
+ only once. Before, the type function was called twice in the case where the
+ default was specified and the argument was given as well. This was
+ especially problematic for the FileType type, as a default file would always
+ be opened, even if a file argument was specified on the command line.
-- Issue #14775: Fix a potential quadratic dict build-up due to the garbage
- collector repeatedly trying to untrack dicts.
+- Issue #15906: Fix a regression in argparse caused by the preceding change,
+ when action='append', type='str' and default=[].
-- Issue #14494: Fix __future__.py and its documentation to note that
- absolute imports are the default behavior in 3.0 instead of 2.7.
- Patch by Sven Marnach.
+Extension Modules
+-----------------
-- Issue #14761: Fix potential leak on an error case in the import machinery.
+- Issue #15977: Fix memory leak in Modules/_ssl.c when the function
+ _set_npn_protocols() is called multiple times, thanks to Daniel Sommermann.
-- Issue #14699: Fix calling the classmethod descriptor directly.
+Tests
+-----
-- Issue #14433: Prevent msvcrt crash in interactive prompt when stdin
- is closed.
+- Issue #15304: Fix warning message when os.chdir() fails inside
+ test.support.temp_cwd(). Patch by Chris Jerdonek.
-- Issue #11603 (again): Setting __repr__ to __str__ now raises a RuntimeError
- when repr() or str() is called on such an object.
-- Issue #14658: Fix binding a special method to a builtin implementation of a
- special method with a different name.
+- Issue #15802: Fix test logic in TestMaildir.test_create_tmp. Patch
+ by Serhiy Storchaka.
-- Issue #14630: Fix a memory access bug for instances of a subclass of int
- with value 0.
+- Issue #15557: Added a test suite for the webbrowser module, thanks
+ to Anton Barkovsky.
-- Issue #14612: Fix jumping around with blocks by setting f_lineno.
+Build
+-----
-- Issue #14607: Fix keyword-only arguments which started with ``__``.
+- Issue #15819: Make sure we can build Python out-of-tree from a readonly
+ source directory. (Somewhat related to Issue #9860.)
-- Issue #13889: Check and (if necessary) set FPU control word before calling
- any of the dtoa.c string <-> float conversion functions, on MSVC builds of
- Python. This fixes issues when embedding Python in a Delphi app.
+Documentation
+-------------
-- Issue #14474: Save and restore exception state in thread.start_new_thread()
- while writing error message if the thread leaves a unhandled exception.
+- Issue #11964: Document a change in v3.2 to the behavior of the indent
+ parameter of json encoding operations.
-- Issue #13019: Fix potential reference leaks in bytearray.extend(). Patch
- by Suman Saha.
+Tools/Demos
+-----------
-- Issue #14378: Fix compiling ast.ImportFrom nodes with a "__future__" string as
- the module name that was not interned.
-- Issue #14331: Use significantly less stack space when importing modules by
- allocating path buffers on the heap instead of the stack.
+What's New in Python 3.3.0?
+===========================
-- Issue #14334: Prevent in a segfault in type.__getattribute__ when it was not
- passed strings.
+*Release date: XX-Sep-2012*
-- Issue #1469629: Allow cycles through an object's __dict__ slot to be
- collected. (For example if ``x.__dict__ is x``).
+Core and Builtins
+-----------------
-- Issue #14172: Fix reference leak when marshalling a buffer-like object
- (other than a bytes object).
+Library
+-------
-- Issue #13521: dict.setdefault() now does only one lookup for the given key,
- making it "atomic" for many purposes. Patch by Filip Gruszczyński.
-- Issue #14471: Fix a possible buffer overrun in the winreg module.
+What's New in Python 3.3.0 Release Candidate 2?
+===============================================
-Library
--------
+*Release date: 09-Sep-2012*
-- Issue #15421: fix an OverflowError in Calendar.itermonthdates() after
- datetime.MAXYEAR. Patch by Cédric Krier.
+Core and Builtins
+-----------------
-- Issue #15970: xml.etree.ElementTree now serializes correctly the empty HTML
- elements 'meta' and 'param'.
+- Issue #13992: The trashcan mechanism is now thread-safe. This eliminates
+ sporadic crashes in multi-thread programs when several long deallocator
+ chains ran concurrently and involved subclasses of built-in container
+ types.
-- Issue #15842: the SocketIO.{readable,writable,seekable} methods now
- raise ValueError when the file-like object is closed. Patch by Alessandro
- Moura.
+- Issue #15784: Modify OSError.__str__() to better distinguish between
+ errno error numbers and Windows error numbers.
-- Issue #15881: Fixed atexit hook in multiprocessing. Original patch
- by Chris McDonough.
+- Issue #15781: Fix two small race conditions in import's module locking.
+
+Library
+-------
+
+- Issue #15847: Fix a regression in argparse, which did not accept tuples
+ as argument lists anymore.
+
+- Issue #15828: Restore support for C extensions in imp.load_module().
- Issue #15340: Fix importing the random module when /dev/urandom cannot
be opened. This was a regression caused by the hash randomization patch.
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