- Issue #19398: Extra slash no longer added to sys.path components in case of
empty compile-time PYTHONPATH components.
-- Issue #28426: Fixed potential crash in PyUnicode_AsDecodedObject() in debug
- build.
-
-- Issue #23782: Fixed possible memory leak in _PyTraceback_Add() and exception
- loss in PyTraceBack_Here().
+- Issue #28665: Improve speed of the STORE_DEREF opcode by 40%.
-- Issue #28379: Added sanity checks and tests for PyUnicode_CopyCharacters().
+- Issue #28583: PyDict_SetDefault didn't combine split table when needed.
Patch by Xiang Zhang.
-- Issue #28376: The type of long range iterator is now registered as Iterator.
- Patch by Oren Milman.
+- Issue #27243: Change PendingDeprecationWarning -> DeprecationWarning.
+ As it was agreed in the issue, __aiter__ returning an awaitable
+ should result in PendingDeprecationWarning in 3.5 and in
+ DeprecationWarning in 3.6.
-- Issue #28376: The constructor of range_iterator now checks that step is not 0.
- Patch by Oren Milman.
+- Issue #26182: Fix a refleak in code that raises DeprecationWarning.
-- Issue #26906: Resolving special methods of uninitialized type now causes
- implicit initialization of the type instead of a fail.
+- Issue #28721: Fix asynchronous generators aclose() and athrow() to
+ handle StopAsyncIteration propagation properly.
-- Issue #18287: PyType_Ready() now checks that tp_name is not NULL.
- Original patch by Niklas Koep.
+Library
+-------
-- Issue #24098: Fixed possible crash when AST is changed in process of
- compiling it.
+- Issue #19717: Makes Path.resolve() succeed on paths that do not exist.
+ Patch by Vajrasky Kok
-- Issue #28350: String constants with null character no longer interned.
+- Issue #28563: Fixed possible DoS and arbitrary code execution when handle
+ plural form selections in the gettext module. The expression parser now
+ supports exact syntax supported by GNU gettext.
-- Issue #26617: Fix crash when GC runs during weakref callbacks.
+- Issue #28387: Fixed possible crash in _io.TextIOWrapper deallocator when
+ the garbage collector is invoked in other thread. Based on patch by
+ Sebastian Cufre.
-- Issue #27942: String constants now interned recursively in tuples and frozensets.
+- Issue #28600: Optimize loop.call_soon.
-- Issue #21578: Fixed misleading error message when ImportError called with
- invalid keyword args.
+- Issue #28613: Fix get_event_loop() return the current loop if
+ called from coroutines/callbacks.
-- Issue #28203: Fix incorrect type in error message from
- ``complex(1.0, {2:3})``. Patch by Soumya Sharma.
+- Issue #28634: Fix asyncio.isfuture() to support unittest.Mock.
-- Issue #27955: Fallback on reading /dev/urandom device when the getrandom()
- syscall fails with EPERM, for example when blocked by SECCOMP.
+- Issue #26081: Fix refleak in _asyncio.Future.__iter__().throw.
-- Issue #28131: Fix a regression in zipimport's compile_source(). zipimport
- should use the same optimization level as the interpreter.
+- Issue #28639: Fix inspect.isawaitable to always return bool
+ Patch by Justin Mayfield.
-- Issue #25221: Fix corrupted result from PyLong_FromLong(0) when
- Python is compiled with NSMALLPOSINTS = 0.
+- Issue #28652: Make loop methods reject socket kinds they do not support.
-- Issue #25758: Prevents zipimport from unnecessarily encoding a filename
- (patch by Eryk Sun)
+- Issue #28653: Fix a refleak in functools.lru_cache.
-- Issue #28189: dictitems_contains no longer swallows compare errors.
- (Patch by Xiang Zhang)
+- Issue #28703: Fix asyncio.iscoroutinefunction to handle Mock objects.
-- Issue #27812: Properly clear out a generator's frame's backreference to the
- generator to prevent crashes in frame.clear().
+- Issue #28704: Fix create_unix_server to support Path-like objects
+ (PEP 519).
-- Issue #27811: Fix a crash when a coroutine that has not been awaited is
- finalized with warnings-as-errors enabled.
+- Issue #28720: Add collections.abc.AsyncGenerator.
-- Issue #27587: Fix another issue found by PVS-Studio: Null pointer check
- after use of 'def' in _PyState_AddModule().
- Initial patch by Christian Heimes.
+Documentation
+-------------
-- Issue #26020: set literal evaluation order did not match documented behaviour.
+- Issue #28513: Documented command-line interface of zipfile.
-- Issue #27782: Multi-phase extension module import now correctly allows the
- ``m_methods`` field to be used to add module level functions to instances
- of non-module types returned from ``Py_create_mod``. Patch by Xiang Zhang.
+Tests
+-----
-- Issue #27936: The round() function accepted a second None argument
- for some types but not for others. Fixed the inconsistency by
- accepting None for all numeric types.
+- Issue #28666: Now test.support.rmtree is able to remove unwritable or
+ unreadable directories.
-- Issue #27487: Warn if a submodule argument to "python -m" or
- runpy.run_module() is found in sys.modules after parent packages are
- imported, but before the submodule is executed.
+- Issue #23839: Various caches now are cleared before running every test file.
-- Issue #27558: Fix a SystemError in the implementation of "raise" statement.
- In a brand new thread, raise a RuntimeError since there is no active
- exception to reraise. Patch written by Xiang Zhang.
+Build
+-----
-- Issue #27419: Standard __import__() no longer look up "__import__" in globals
- or builtins for importing submodules or "from import". Fixed handling an
- error of non-string package name.
++- Issue #10656: Fix out-of-tree building on AIX. Patch by Tristan Carel and
++ Michael Haubenwallner.
+
-- Issue #27083: Respect the PYTHONCASEOK environment variable under Windows.
+- Issue #26359: Rename --with-optimiations to --enable-optimizations.
-- Issue #27514: Make having too many statically nested blocks a SyntaxError
- instead of SystemError.
+- Issue #28676: Prevent missing 'getentropy' declaration warning on macOS.
+ Patch by Gareth Rees.
-- Issue #27473: Fixed possible integer overflow in bytes and bytearray
- concatenations. Patch by Xiang Zhang.
-- Issue #27507: Add integer overflow check in bytearray.extend(). Patch by
- Xiang Zhang.
+What's New in Python 3.6.0 beta 3
+=================================
-- Issue #27581: Don't rely on wrapping for overflow check in
- PySequence_Tuple(). Patch by Xiang Zhang.
+*Release date: 2016-10-31*
-- Issue #27443: __length_hint__() of bytearray iterators no longer return a
- negative integer for a resized bytearray.
+Core and Builtins
+-----------------
-- Issue #27942: Fix memory leak in codeobject.c
+- Issue #28128: Deprecation warning for invalid str and byte escape
+ sequences now prints better information about where the error
+ occurs. Patch by Serhiy Storchaka and Eric Smith.
-Library
--------
+- Issue #28509: dict.update() no longer allocate unnecessary large memory.
-- Issue #28732: Fix crash in os.spawnv() with no elements in args
+- Issue #28426: Fixed potential crash in PyUnicode_AsDecodedObject() in debug
+ build.
-- Issue #28485: Always raise ValueError for negative
- compileall.compile_dir(workers=...) parameter, even when multithreading is
- unavailable.
+- Issue #28517: Fixed of-by-one error in the peephole optimizer that caused
+ keeping unreachable code.
-- Issue #28387: Fixed possible crash in _io.TextIOWrapper deallocator when
- the garbage collector is invoked in other thread. Based on patch by
- Sebastian Cufre.
+- Issue #28214: Improved exception reporting for problematic __set_name__
+ attributes.
+
+- Issue #23782: Fixed possible memory leak in _PyTraceback_Add() and exception
+ loss in PyTraceBack_Here().
+
+- Issue #28471: Fix "Python memory allocator called without holding the GIL"
+ crash in socket.setblocking.
+
+Library
+-------
- Issue #27517: LZMA compressor and decompressor no longer raise exceptions if
given empty data twice. Patch by Benjamin Fogle.
projects / python / commitdiff