Warning: Python 3.8.0 reached end-of-life on 2024-10-07. It is no longer supported and does not receive security updates. We recommend upgrading to the latest Python release.

Note: Python 3.8.0a1 has been superseded by Python 3.8.20.

Release date: Feb. 3, 2019

This is an early developer preview of Python 3.8

Major new features of the 3.8 series, compared to 3.7

Python 3.8 is still in development. This releasee, 3.8.0a1 is the first of four planned alpha releases. Alpha releases are intended to make it easier to test the current state of new features and bug fixes and to test the release process. During the alpha phase, features may be added up until the start of the beta phase (2019-05-26) and, if necessary, may be modified or deleted up until the release candidate (2019-09-29) . Please keep in mind that this is a preview release and its use is not recommended for production environments.

Many new features for Python 3.8 are still being planned and written. Among the new major new features and changes so far:

• PEP 572, Assignment expressions
• BPO 35766, typed_ast is merged back to CPython
• (Hey, fellow core developer, if a feature you find important is missing from this list, let Łukasz know.)

The next pre-release of Python 3.8 will be 3.8.0a2, currently scheduled for 2019-02-24.

More resources

• Online Documentation
• PEP 569, 3.8 Release Schedule
• Report bugs at https://bugs.python.org.
• Help fund Python and its community.

And now for something completely different

Second Bruce: G'day, Bruce!
First Bruce: Oh, Hello Bruce!
Third Bruce: How are you Bruce?
First Bruce: A bit crook, Bruce.
Second Bruce: Where's Bruce?
First Bruce: He's not 'ere, Bruce.

Full Changelog