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Python 3.6.7rc1

Release Date: 2018-09-26

Python 3.6.7rc1 is a release candidate preview of the seventh maintenance release of Python 3.6. The Python 3.6 series contains many new features and optimizations.

Among the new major new features in Python 3.6 are:

  • PEP 468, Preserving Keyword Argument Order
  • PEP 487, Simpler customization of class creation
  • PEP 495, Local Time Disambiguation
  • PEP 498, Literal String Formatting
  • PEP 506, Adding A Secrets Module To The Standard Library
  • PEP 509, Add a private version to dict
  • PEP 515, Underscores in Numeric Literals
  • PEP 519, Adding a file system path protocol
  • PEP 520, Preserving Class Attribute Definition Order
  • PEP 523, Adding a frame evaluation API to CPython
  • PEP 524, Make os.urandom() blocking on Linux (during system startup)
  • PEP 525, Asynchronous Generators (provisional)
  • PEP 526, Syntax for Variable Annotations (provisional)
  • PEP 528, Change Windows console encoding to UTF-8
  • PEP 529, Change Windows filesystem encoding to UTF-8
  • PEP 530, Asynchronous Comprehensions

Please see What’s New In Python 3.6 for more information. Note that 3.6.7rc1 is a preview release and thus its use is not recommended for production environments.

More resources

Windows users

  • The binaries for AMD64 will also work on processors that implement the Intel 64 architecture. (Also known as the "x64" architecture, and formerly known as both "EM64T" and "x86-64".)
  • If installing Python 3.6 as a non-privileged user, you may need to escalate to administrator privileges to install an update to your C runtime libraries.
  • There are now "web-based" installers for Windows platforms; the installer will download the needed software components at installation time.
  • There are redistributable zip files containing the Windows builds, making it easy to redistribute Python as part of another software package. Please see the documentation regarding Embedded Distribution for more information.

macOS users

  • NEW as of 3.6.5: we are providing two binary installer options for download. The new variant works on macOS 10.9 (Mavericks) and later systems and comes with its own batteries-included version oF Tcl/Tk 8.6 for users of IDLE and other tkinter-based GUI applications. It is 64-bit only as Apple is deprecating 32-bit support in future macOS releases. For 3.6.6, the 10.9+ variant is offered as an additional more modern alternative to the traditional 10.6+ variant in earlier 3.6.x releases. The 10.6+ variant still requires installing a third-party version of Tcl/Tk 8.5. If you are using macOS 10.9 or later, consider using the new installer variant, unless you are building Python applications that also need to work on older macOS systems. Binary extension modules (including wheels) built for earlier versions of 3.6.x with the 10.6 variant should continue to work with either 3.6.6 variant without recompilation.
  • If you are using Python 3.6.x from one of the python.org binary installers linked to on this page, please carefully read the Important Information displayed during installation; this information is also available after installation by clicking on /Applications/Python 3.6/ReadMe.rtf. There is important information there about changes in the 3.6 installer-supplied Python, particularly with regard to SSL certificate validation.

Full Changelog

Files

Version Operating System Description MD5 Sum File Size GPG
Gzipped source tarball Source release 209ffe808b78549342712af21a1cae6d 22964749 SIG
XZ compressed source tarball Source release 5f5ae4359f30c3fa15063b982e5af4eb 17176816 SIG
macOS 64-bit/32-bit installer Mac OS X for Mac OS X 10.6 and later 92344a1500c7098d36ff0c6461ceed97 28150968 SIG
macOS 64-bit installer Mac OS X for OS X 10.9 and later 6a47c8fdbeb3c1e1825d1647117c6ed2 27045054 SIG
Windows help file Windows 21d0bc55ddf2d5a679406ae41a078091 8150682 SIG
Windows x86-64 embeddable zip file Windows for AMD64/EM64T/x64 0e29d39fa144d773732dc62eba6daf9f 7185183 SIG
Windows x86-64 executable installer Windows for AMD64/EM64T/x64 727f9e6b0255d637490cee2595ed88e8 31985608 SIG
Windows x86-64 web-based installer Windows for AMD64/EM64T/x64 44162df92dd918f2528cdc150a6a1077 1320272 SIG
Windows x86 embeddable zip file Windows fce06edd99016e163d7b2f1a447583b7 6403233 SIG
Windows x86 executable installer Windows 864eeab82fc51e80b606db514367690a 30937456 SIG
Windows x86 web-based installer Windows 6022ec4a52a6534edb6c00fcd428681e 1294200 SIG