The Python build factories have been busy the last several weeks preparing our fall lineup of releases. Today we are happy to announce three additions: 3.6.3rc1, 3.7.0a1, and 3.3.7 final, which join last weekend's 2.7.14 and last month's 3.5.4 bug-fix releases and 3.4.7 security-fix update (https://www.python.org/downloads/).
1. Python 3.6.3rc1 is the first release candidate for Python 3.6.3, the next maintenance release of Python 3.6. While 3.6.3rc1 is a preview release and, thus, not intended for production environments, we encourage you to explore it and provide feedback via the Python bug tracker (https://bugs.python.org). 3.6.3 is planned for final release on 2017-10-02 with the next maintenance release expected to follow in about 3 months. You can find Python 3.6.3rc1 and more information here: https://www.python.org/downloads/release/python-363rc1/
2. Python 3.7.0a1 is the first of four planned alpha releases of Python 3.7, the next feature release of Python. During the alpha phase, Python 3.7 remains under heavy development: additional features will be added and existing features may be modified or deleted. Please keep in mind that this is a preview release and its use is not recommended for production environments. The next preview release, 3.6.0a2, is planned for 2017-10-16. You can find Python 3.7.0a1 and more information here: https://www.python.org/downloads/release/python-370a1/
3. Python 3.3.7 is also now available. It is a security-fix source-only release and is expected to be the final release of any kind for Python 3.3.x before it reaches end-of-life status on 2017-09-29, five years after its initial release. Because 3.3.x has long been in security-fix mode, 3.3.7 may no longer build correctly on all current operating system releases and some tests may fail. If you are still using Python 3.3.x, we **strongly** encourage you to upgrade now to a more recent, fully supported version of Python 3. You can find Python 3.3.7 here: https://www.python.org/downloads/release/python-337/
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