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Cpython v3.12.0b1

Cpython: v3.12.0b1 Release

Release date:
May 23, 2023
Previous version:
v3.12.0a7 (released April 4, 2023)
Magnitude:
39,260 Diff Delta
Contributors:
183 total committers
Data confidence:
Commits:
626 impacting commits

411 Features Released with v3.12.0b1

gh-104572: Improve error messages for invalid constructs in PEP 695 contexts
#104573
typing: Use PEP 695 syntax in typing.py
#104553
gh-102856: Tokenize performance improvement
#104731
gh-104144: Optimize gather to finish eagerly when all futures complete eagerly
#104138
gh-64595: Fix write file logic in Argument Clinic
#104507
gh-96534: socketmodule: support FreeBSD divert(4) socket
#96536
gh-64595: Argument Clinic: Touch source file if any output file changed
#104152
gh-104016: Fixed off by 1 error in f string tokenizer
#104047
gh-87474: Fix file descriptor leaks in subprocess.Popen
#96351
gh-64660: Don't hardcode Argument Clinic return converter result variable name
#104200
gh-103193: Micro-optimise helper functions for `inspect.getattr_static`
#103195
gh-104371: Fix calls to __release_buffer__ while an exception is active
#104378
GH-103944: Check error status when raising DeprecationWarning
#103949
gh-101640: Make argparse working in `pythonw` by dropping stderr writes there
#101802
gh-102114: Make dis print more concise tracebacks for syntax errors in str inputs
#102115
gh-103793: Defer formatting task name
#103767
gh-104683: clinic.py: Modernise `parse_converter()` using pattern-matching
#104696
gh-104456: Fix ref leak in _ctypes.COMError
#104457
gh-68968: Correcting message display issue with assertEqual
#103937
gh-86275: improve Hypothesis configuration for CI and local runs
#104468
gh-74690: typing: Simplify and optimise `_ProtocolMeta.__instancecheck__`
#103159
gh-102799: use sys.exception() instead of sys.exc_info() in tests
#103293
gh-104482: Fix error handling bugs in ast.c
#104483
gh-69152: Add _proxy_response_headers attribute to HTTPConnection
#26152
gh-65772: Clean-up turtle module
#104218
gh-104265 Disallow instantiation of `_csv.Reader` and `_csv.Writer`
#104266
gh-97696 Remove unnecessary check for eager_start kwarg
#104188
GH-103082: Code cleanup from review.
#103474
gh-104089: catch DeprecationWarning in `test_fstring`
#104137
gh-83004: Harden msvcrt init
#103383

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Top Contributors in v3.12.0b1

erlend-aasland
pablogsal
ericsnowcurrently
serhiy-storchaka
encukou
AlexWaygood
mgmacias95
JelleZijlstra
eduardo-elizondo
sobolevn

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