Alright folks, it's been a long time coming but we're here - the first alpha of 
Pyramid 2.0.

There's shockingly few backward-incompatible changes in this release, so don't 
let it scare you. There IS a laundry list of new features. Here are a few 
highlights:

- First release to drop Python 2, as well as 3.4 and 3.5.

- New security system for authentication/authorization. The legacy API is 
deprecated but available and backward compatible. ACLs and principals are not 
going away, but the policies are merged and restructured slightly which should 
be more consumable and flexible for users.

- Several defaults have changed, such as serializing sessions using JSON 
instead of Pickle.

- Cookiecutter and tutorials updated with new pytest fixtures.

Read the "What's New in Pyramid 2.0" document for a comprehensive list of 
changes and handy notes on upgrading:

https://docs.pylonsproject.org/projects/pyramid/en/2.0-branch/whatsnew-2.0.html 
<https://docs.pylonsproject.org/projects/pyramid/en/2.0-branch/whatsnew-2.0.html>

2.0 release documentation (across all alphas and betas, as well as when it gets 
to final release):

https://docs.pylonsproject.org/projects/pyramid/en/2.0-branch/ 
<https://docs.pylonsproject.org/projects/pyramid/en/2.0-branch/>

You can install it via PyPI:

  pip install Pyramid==2.0a0

As always report any issues to the issue tracker (or here on the mailing list).

https://github.com/Pylons/pyramid/issues 
<https://github.com/Pylons/pyramid/issues>

There are a few documentation / cookiecutter changes coming in subsequent 
releases but no major work remaining prior to a full release so don't hesitate 
to give it a spin and provide feedback.

I'd like to single out a few people specifically for their excellent work on 
this release:

- Theron Luhn
- Bert JW Regeer
- Steve Piercy

Thanks for everyone's efforts as well as support in getting this work done!

- Pyramid core developers

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