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Cpython v3.12.0a4

Cpython: v3.12.0a4 Release

Release date:
September 2, 2023
Previous version:
v3.12.0a3 (released October 8, 2024)
Magnitude:
22,437 Diff Delta
Contributors:
118 total committers
Data confidence:
Commits:
278 impacting commits

172 Features Released with v3.12.0a4

gh-99955: standardize return values of functions in compiler's code-gen
#100010
GH-98831: Typed stack effects, and more instructions converted
#99764
GH-98831: Modernize a ton of simpler instructions
#100545
GH-98831: Update generate_cases.py: register inst, opcode_metadata.h
#100735
gh-100357: Convert several functions in `bltinsmodule` to AC
#100358
gh-99482: remove `jython` compatibility parts from stdlib and tests
#99484
gh-98724: Fix Py_CLEAR() macro side effects
#99100
gh-100228: Warn from os.fork() if other threads exist.
#100229
GH-91166: zero copy SelectorSocketTransport transport implementation
#31871
gh-81057: Move Threading-Related Globals to _PyRuntimeState
#100084
gh-89727: Fix os.walk RecursionError on deep trees
#99803
GH-100363: Speed up `asyncio.get_running_loop`
#100364
gh-100344: Provide C implementation for asyncio.current_task
#100345
GH-98831: Add DECREF_INPUTS(), expanding to DECREF() each stack input
#100205
GH-98831: Add some tests for generate_cases.py
#100763
gh-83076: 3.8x speed improvement in (Async)Mock instantiation
#100252
gh-78997: fix bad rebase of moved test file
#100424
GH-100222: Redefine _Py_CODEUNIT as a union to clarify structure of code unit.
#100223
gh-94155: Reduce hash collisions for code objects
#100183
Path.relative_to() taking multiple arguments could be better documented
#78707
gh-99761: Add _PyLong_IsPositiveSingleDigit
#100064
gh-100086: Add build info to test.libregrtest
#100093
gh-85267: Improvements to inspect.signature __text_signature__ handling
#98796
GH-100192: add more `asyncio` subprocess tests
#100194
gh-88500: Reduce memory use of `urllib.unquote`
#96763
gh-94912: Added marker for non-standard coroutine function detection
#99247
gh-95882: fix regression in the traceback of exceptions propagated from inside a contextlib context manager
#95883
gh-100146: Steal references from stack when building a list
#100147
gh-83035: handle decorator with nested parens in inspect.getsource
#99654
gh-81057: Move the Cached Parser Dummy Name to _PyRuntimeState
#100277

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Top Contributors in v3.12.0a4

gvanrossum
iritkatriel
markshannon
ericsnowcurrently
sobolevn
kumaraditya303
rhettinger
barneygale
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carljm

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