TensorFlow 2.0 Beta is officially out. Here are a few links of relevance:

• Official documentation
• Official announcement on Twitter
• Official demo notebook
• Official announcement article on Medium

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Also, I received a notification via email. Here’s one section of it:

What’s new in beta?

In this beta release you’ll find a final API surface, also available as part of the v2 compatibility module inside the TensorFlow 1.14 release. We have also added 2.0 support for Keras features like model subclassing, simplified the API for custom training loops, added distribution strategy support for most kinds of hardware, and lots more. You can see a list of all symbol changes here, and check out the link below for a collection of tutorials and getting started guides.

See documentation