Python 3.13.0 released, Custom keymaps in Textual and more

What’s New In Python 3.13, How I prepare a technical talk with some more interesting news, articles, packages and projects

Oct 12, 2024

News

Python 3.13.0 has officially been released, which is exciting news for Python enthusiasts(Pythonistas) like us! You'll see a bit of that excitement reflected in this newsletter. I hope you enjoy reading it!

Python 3.13.0 released

Python 3.13.0 has arrived! This latest major release of the Python programming language brings a host of new features and optimizations, including an improved interactive interpreter, an experimental free-threaded build mode, a preliminary JIT compiler and a new type narrowing annotation (typing.TypeIs), among others.

NumPy 2.1.2 released

Python Developers Survey 2024

The Python Developers Survey 2024 is now open! Take a few moments to participate—it only takes about 10-15 minutes to complete.

Niquests v3.9.0 Released

distlib 0.3.9 released

PEP 735 Dependency Groups is accepted

Articles

What’s New In Python 3.13

Curious about what's new and exciting in Python 3.13? Check out this official article by Adam Turner and Thomas Wouters. It covers all the latest features, including a revamped interactive interpreter, experimental support for running in a free-threaded mode (PEP 703), a Just-In-Time compiler (PEP 744) and further improvements to error messages, among others.

# Adam Turner & Thomas Wouters

When should you upgrade to Python 3.13?

Don't be too quick to upgrade your production environment to Python 3.13. While the new features and improvements are exciting, it's important to proceed with caution. In this article, Itamar Turner-Trauring shared potential risks and concerns to ensure that you’re well-prepared before making the switch.

# Itamar Turner-Trauring

Custom keymaps in Textual

Textual's latest release introduces support for keymaps, making it easier to customize keybindings according to configurations or user preferences. In this article, Darren Burns explained how to use keymaps with practical code examples to personalize your keybindings.

# Darren Burns

Python 3.13's best new features

Trey Hunner shared some of his favourite features in Python 3.13. The revamped Python REPL which improves our interactive development experience, Git-friendly virtual environments and improvements to the Python Debugger, making debugging more intuitive and efficient.

# Trey Hunner

How I prepare a technical talk

For many developers, giving a technical talk feels like a dream - I am no exception. Curious about how to make it happen? Check out this article by Rodrigo, where he outlined his process for preparing technical talks. He shared tips on slide design, engaging the audience, preparing for delivery, and effectively managing the Q&A session.

# Rodrigo

Let's go easy on PyPI, OK?

Did you know that in 2023, PyPI recorded over 284 billion downloads across half a million projects? That's an estimated $50k to $100k in traffic each month! Much of this traffic can be attributed to repeatedly building Docker images. However, by making small adjustments to your Dockerfile, you can speed up your Docker builds and significantly reduce the demand on PyPI. Interested in learning more? Check out this article by Michael Kennedy.