It contains two months worth of bug fixes. Detailed information about all changes made in 3.8.3 can be found in its change log. Note that compared to 3.8.2, version 3.8.3 also contains the changes introduced in 3.8.3rc1.
The Python 3.8 series is the newest feature release of the Python language, and it contains many new features and optimizations. See the “What’s New in Python 3.8” document for more information about features included in the 3.8 series.
Maintenance releases for the 3.8 series will continue at regular bi-monthly intervals, with 3.8.4 planned for mid-July 2020.
One more thing
Unless blocked on any critical issue, Monday May 18th will be the release date of Python 3.9.0 beta 1. It’s a special release because this is when we lock the feature set for Python 3.9. If you can help testing the current available alpha release, that would be very helpful:
We hope you enjoy the new Python release!
Thanks to all of the many volunteers who help make Python Development and these releases possible! Please consider supporting our efforts by volunteering yourself or through organization contributions to the Python Software Foundation.
Your friendly release team,
Ned Deily @nad
Steve Dower @steve.dower
Łukasz Langa @ambv