Consequently, version numbers for future versions are provisional if the release is delayed until a different month (or even year) to that planned, the version number will change accordingly. The first Ubuntu release, for example, was Ubuntu 4.10 and was released on 20 October 2004. There is important information about IDLE, Tkinter, and Tcl/Tk on Mac OS X here.Ubuntu releases are made semiannually by Canonical Ltd, its developers, using the year and month of the release as a version number.(Also known as the "圆4" architecture, and formerly known as both "EM64T" and "x86-64".) They will not work on Intel Itanium Processors (formerly "IA-64"). The binaries for AMD64 will also work on processors that implement the Intel 64 architecture.PEP 3156, a new "asyncio" module, a new framework for asynchronous I/O.PEP 3154, a new and improved protocol for pickled objects.PEP 456, a new hash algorithm for Python strings and binary data.PEP 454, a new "tracemalloc" module for tracing Python memory allocations.PEP 453, a bundled installer for the pip package manager.PEP 451, standardizing module metadata for Python's module import system.PEP 446, changing file descriptors to not be inherited by default in subprocesses.PEP 445, a new C API for implementing custom memory allocators.PEP 443, adding single-dispatch generic functions to the standard library.PEP 442, improved semantics for object finalization.PEP 436, a build enhancement that will help generate introspection information for builtins.PEP 428, a "pathlib" module providing object-oriented filesystem paths.Among the new major new featuresĪnd changes in the 3.4 release series are Hundreds of small improvements and bug fixes. Python 3.4 includes a range of improvements of the 3.x series, including Major new features of the 3.4 series, compared to 3.3
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