- Issue #28731: Optimize _PyDict_NewPresized() to create correct size dict.
Improve speed of dict literal with constant keys up to 30%.
+- Issue #28532: Show sys.version when -V option is supplied twice.
+
+- Issue #27100: The with-statement now checks for __enter__ before it
+ checks for __exit__. This gives less confusing error messages when
+ both methods are missing. Patch by Jonathan Ellington.
+
+- Issue #28746: Fix the set_inheritable() file descriptor method on platforms
+ that do not have the ioctl FIOCLEX and FIONCLEX commands.
+
+- Issue #26920: Fix not getting the locale's charset upon initializing the
+ interpreter, on platforms that do not have langinfo.
+
+- Issue #28648: Fixed crash in Py_DecodeLocale() in debug build on Mac OS X
+ when decode astral characters. Patch by Xiang Zhang.
+
+- Issue #28665: Improve speed of the STORE_DEREF opcode by 40%.
+
+- Issue #19398: Extra slash no longer added to sys.path components in case of
+ empty compile-time PYTHONPATH components.
+
+- Issue #28621: Sped up converting int to float by reusing faster bits counting
+ implementation. Patch by Adrian Wielgosik.
+
+- Issue #28580: Optimize iterating split table values.
+ Patch by Xiang Zhang.
+
+- Issue #28583: PyDict_SetDefault didn't combine split table when needed.
+ Patch by Xiang Zhang.
+
+- 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.
+
+- Issue #28509: dict.update() no longer allocate unnecessary large memory.
+
+- Issue #28426: Fixed potential crash in PyUnicode_AsDecodedObject() in debug
+ build.
+
+- Issue #28517: Fixed of-by-one error in the peephole optimizer that caused
+ keeping unreachable code.
+
+- 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 #28183: Optimize and cleanup dict iteration.
+
+- Issue #26081: Added C implementation of asyncio.Future.
+ Original patch by Yury Selivanov.
+
+- Issue #28379: Added sanity checks and tests for PyUnicode_CopyCharacters().
+ Patch by Xiang Zhang.
+
+- Issue #28376: The type of long range iterator is now registered as Iterator.
+ Patch by Oren Milman.
+
+- Issue #28376: Creating instances of range_iterator by calling range_iterator
+ type now is disallowed. Calling iter() on range instance is the only way.
+ Patch by Oren Milman.
+
+- Issue #26906: Resolving special methods of uninitialized type now causes
+ implicit initialization of the type instead of a fail.
+
+- Issue #18287: PyType_Ready() now checks that tp_name is not NULL.
+ Original patch by Niklas Koep.
+
+- Issue #24098: Fixed possible crash when AST is changed in process of
+ compiling it.
+
+- Issue #28201: Dict reduces possibility of 2nd conflict in hash table when
+ hashes have same lower bits.
+
+- Issue #28350: String constants with null character no longer interned.
+
+- Issue #26617: Fix crash when GC runs during weakref callbacks.
+
+- Issue #27942: String constants now interned recursively in tuples and frozensets.
+
+- Issue #28289: ImportError.__init__ now resets not specified attributes.
+
+- Issue #21578: Fixed misleading error message when ImportError called with
+ invalid keyword args.
+
+- Issue #28203: Fix incorrect type in complex(1.0, {2:3}) error message.
+ Patch by Soumya Sharma.
+
+- Issue #28086: Single var-positional argument of tuple subtype was passed
+ unscathed to the C-defined function. Now it is converted to exact tuple.
+
+- Issue #28214: Now __set_name__ is looked up on the class instead of the
+ instance.
+
+- Issue #27955: Fallback on reading /dev/urandom device when the getrandom()
+ syscall fails with EPERM, for example when blocked by SECCOMP.
+
+- Issue #28192: Don't import readline in isolated mode.
+
+- Issue #27441: Remove some redundant assignments to ob_size in longobject.c.
+ Thanks Oren Milman.
+
+- Issue #27222: Clean up redundant code in long_rshift function. Thanks
+ Oren Milman.
+
+- Upgrade internal unicode databases to Unicode version 9.0.0.
+
+- Issue #28131: Fix a regression in zipimport's compile_source(). zipimport
+ should use the same optimization level as the interpreter.
+
+- Issue #28126: Replace Py_MEMCPY with memcpy(). Visual Studio can properly
+ optimize memcpy().
+
+- Issue #28120: Fix dict.pop() for splitted dictionary when trying to remove a
+ "pending key" (Not yet inserted in split-table). Patch by Xiang Zhang.
+
+- Issue #26182: Raise DeprecationWarning when async and await keywords are
+ used as variable/attribute/class/function name.
+
+- Issue #26182: Fix a refleak in code that raises DeprecationWarning.
+
+- Issue #28721: Fix asynchronous generators aclose() and athrow() to
+ handle StopAsyncIteration propagation properly.
+
+- Issue #26110: Speed-up method calls: add LOAD_METHOD and CALL_METHOD
+ opcodes.
+
+ Extension Modules
+ -----------------
+
+ - Issue #29169: Update zlib to 1.2.10.
+
Library
-------
projects / python / commitdiff