Most developers never see the 11 pack releases we shipped in the last 14 months as pack CLI maintainers. That’s actually a good sign—it means the infrastructure just works. When a critical vulnerability emerges requiring an immediate upgrade, the fix is shipped within days. Here’s what most develope
Modern applications on Heroku don’t just consist of code. They are living ecosystems comprised of dynos, databases, third-party APIs, and complex user interactions. As these systems scale, so do the logs and metrics. To efficiently extract the signals from the noise you need to understand system hea
Exciting news: We moved the blog!Python Insider now lives at https://blog.python.org, backed by a Git repository. All 307 posts from the Blogger era have been migrated over, and old URLs redirect to the new ones automatically. Your RSSreaders should pick up the new feed without any action on your pa
Thanks to the work of the Security Developer-in-Residence
Seth Larson, the Python Security Response Team (PSRT) now has an
approved public governance document (PEP 811). Following the new governance structure the PSRT now publishes a public list of members, has documented responsibilities for mem
This is an early developer preview of Python
3.15
www.python.org/downloads/release/python-3150a6/
Major
new features of the 3.15 series, compared to 3.14
Python 3.15 is still in development. This release, 3.15.0a6, is the
sixth of eight planned alpha releases.
Alpha releases are intended to make it
Python 3.14.3 is now available!Two snakes enjoying a pie with 3.14 on the top and π crimping538×507 110 KBThis is third maintenance release of Python 3.14Python 3.14.3 is the third maintenance release of 3.14, containing around 299 bugfixes, build improvements and documentation changes since 3.14.2
Note: 3.15.0a4 was accidentally built against main from
2025-12-23 instead of 2026-01-13, so this 3.15.0a5 is an extra release
correctly built against 2026-01-14.
This is an early developer preview of Python
3.15
www.python.org/downloads/release/python-3150a5/
Major
new features of the 3.15 series,