Python 3.15 released, Python 3.10 reaches end of support
What happened
On 13 October 2026, Python 3.15 was officially released. According to Simon Willison, the release adds PEP 810 explicit lazy imports and unpacking syntax in comprehensions, and the standard library gains the sampling profiler Tachyon (profiling.sampling). The same report says Python 3.10 reached end of support with this release. At present this is the only public report on the event, and no other source has added to or corrected the features or the end-of-support arrangement.
Written by AI from the reports · updated 4 d ago
Timeline
Follow the reports to see the event from each side.
- Simon WillisonHello Python 3.15, goodbye 3.10, and now I can use 3.11
Python 3.15 is here ! Here's the essential What's new in Python 3.15 guide, this year curated by 3.14 and 3.15 release manager Hugo van Kemenade. As someone who builds open source software that works in every supported Python version, I get to say goodbye to Python 3.10 and start embracing features from Python 3.11.
Heat of this event
Current heat 3·Peak in the comparable range 10（Oct 13 04:00）·Change over 24 hours in the comparable range -50%
The trend compares only the same accounts observed without a break, so its range can be narrower than the current heat count. Move the pointer or tap the chart to see each hour; with a keyboard, use the left and right arrow keys.