Python 3.15(python.org)
248 points by ngoldbaum | 65 comments
Official python.org release page for Python 3.15.0, listing its release date and download information.
#cpython on Hacker News
21 stories tagged cpython, newest first.
How Fast is Python 3.15?(blog.miguelgrinberg.com)
59 points by Qem | 39 comments
Miguel Grinberg's blog post benchmarking Python 3.15 (rc3) performance against earlier interpreters back to Python 3.10.
First Steps into Memory Management in Python(tech.daniellbastos.com.br)
4 points by shellpipe | 0 comments
A personal blog post exploring how CPython allocates and manages memory, written as study notes before diving into garbage collection.
Python 3.15's JIT is now back on track(fidget-spinner.github.io)
463 points by guidoiaquinti | 279 comments
Ken Jin's blog post reporting that CPython 3.15's JIT compiler is back on track, with benchmark charts comparing JIT and interpreter performance.
Python 3.15’s interpreter for Windows x86-64 should hopefully be 15% faster(fidget-spinner.github.io)
389 points by lumpa | 132 comments
Blog post by CPython developer Ken Jin reporting that the tail-calling interpreter gives ~15% speedup on Windows x86-64 MSVC and ~5% on macOS AArch64 for Python 3.15.
Python 3.14 is here. How fast is it?(blog.miguelgrinberg.com)
695 points by pjmlp | 505 comments
Miguel Grinberg's blog post benchmarking the newly released Python 3.14 against earlier Python versions to measure performance gains.
PEP 810 – Explicit lazy imports(peps.python.org)
387 points by azhenley | 227 comments
PEP 810, a draft Python Enhancement Proposal for explicit lazy imports syntax targeting Python 3.15.
15,000 lines of verified cryptography now in Python(jonathan.protzenko.fr)
447 points by todsacerdoti | 142 comments
Blog post by Jonathan Protzenko describing how CPython now uses the formally verified HACL* library for all its default hash and HMAC algorithms.
Performance of the Python 3.14 tail-call interpreter(blog.nelhage.com)
557 points by signa11 | 160 comments
Blog post by Nelson Elhage examining the performance gains of CPython 3.14's new tail-call bytecode interpreter and reassessing its reported 10-15% speedup.
Everything you need to know about Python 3.13 – JIT and GIL went up the hill(drew.silcock.dev)
362 points by chmaynard | 185 comments
A blog post explaining the changes in Python 3.13, focusing on the experimental JIT compiler and the optional removal of the Global Interpreter Lock.
Free-threaded CPython is ready to experiment with(labs.quansight.org)
500 points by ngoldbaum | 342 comments
Quansight Labs blog post announcing that free-threaded (no-GIL) CPython builds are ready for experimentation and describing ecosystem rollout progress.
Regex character "$" doesn't mean "end-of-string"(sethmlarson.dev)
380 points by BerislavLopac | 301 comments
Blog post by Seth Larson explaining that the regex "$" in Python's re module matches end-of-string or before a trailing newline, not strictly end-of-string.
gh-116167: Allow disabling the GIL(github.com)
427 points by freediver | 212 comments
Merged CPython pull request allowing the GIL to be disabled in free-threaded builds via PYTHON_GIL=0 or -X gil=0.
Python 3.13 Gets a JIT(tonybaloney.github.io)
1023 points by todsacerdoti | 504 comments
Blog post by Anthony Shaw explaining the experimental copy-and-patch JIT compiler added to CPython for Python 3.13.
Progress on No-GIL CPython(lwn.net)
334 points by belter | 206 comments
LWN article by Jake Edge on progress toward making CPython's global interpreter lock optional under PEP 703, covering ABI concerns and naming of the no-GIL build.
Python 3.12(python.org)
529 points by qsort | 251 comments
Official python.org release page for Python 3.12.0, released October 2, 2023, describing major new features compared to 3.11.
No-GIL mode coming for Python(lwn.net)
331 points by mappu | 174 comments
LWN brief reporting that the Python Steering Council intends to accept PEP 703, making the GIL optional in CPython, possibly starting with 3.13.
Intent to approve PEP 703: making the GIL optional(discuss.python.org)
425 points by pablogsal | 50 comments
Python Steering Council post on discuss.python.org announcing intent to accept PEP 703 to make the GIL optional in CPython, with acceptance details.
If PEP 703 is accepted, Meta can commit three engineer-years to no-GIL CPython(discuss.python.org)
580 points by bratao | 397 comments
A Python Discourse thread post on PEP 703 stating Meta would commit three engineer-years to no-GIL CPython if the proposal is accepted.
Backend of Meta Threads is built with Python 3.10(twitter.com)
388 points by BerislavLopac | 332 comments
Tweet by Łukasz Langa noting Meta's Threads backend runs on Python 3.10 via Instagram's Cinder fork with a JIT, lazy imports, and other tweaks.
Our Plan for Python 3.13(github.com)
477 points by bratao | 333 comments
README in the faster-cpython ideas repo on GitHub outlining the Faster CPython team's performance plan for Python 3.13, by Mark Shannon and Michael Droettboom.