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Cpython v3.12.14

Cpython: v3.12.14 Release

Release date:
August 12, 2026
Previous version:
v3.12.13 (released March 3, 2026)
Magnitude:
1,010 Diff Delta
Contributors:
10 total committers
Data confidence:
Commits:
51 impacting commits

21 Features Released with v3.12.14

[3.11] gh-143930: Tweak the exception message and increase test coverage (GH-146476) (GH-148045) (GH-148051)
#148052
[3.12] gh-149486: tarfile.data_filter: validate written link target (GH-149487)
#149556
[3.12] gh-145098: Use `macos-15-intel` instead of unstable `macos-26-intel` in `{jit,tail-call}.yml` (GH-148126)
#148137
Add `permissions: {}` to all reusable workflows
#148114
[3.12] gh-149017: Upgrade bundled Expat to 2.8.0 (GH-149020) (GH-149073)
#150007
[3.12] gh-136155: Docs: check for EPUB fatal errors in CI (GH-134074)
#145471
[3.12] CI: Move Homebrew dependencies into Brewfile (GH-148335) (GH-149884)
#149988
[3.12] gh-87451: Apply CVE-2021-4189 PASV fix to ftplib.ftpcp() (GH-149648)
#149795
[3.12] Replace deprecated action with RtD app (GH-149111)
#150233
[3.12] gh-137586: Open external osascript program with absolute path (GH-137584)
#148175
[3.12] gh-146531: Skip hanging `wm iconbitmap` test on macOS 26 Intel (GH-148032)
#153188
[3.12] gh-145455: Show output of blurb & sphinx-build version commands (GH-145457)
#145490
[3.12] gh-146488: hash-pin all action references (gh-146489)
#147980
[3.12] gh-145098: Run Apple Silicon macOS CI on macos-26 (Tahoe) (GH-145099) (GH-146412) (GH-146414)
#146635
[3.12] Remove MSI build from security-only branch
#148007
[3.12] Default GHA permissions to `contents: read` (GH-148346)
#148388
[3.12] gh-146083: Upgrade bundled Expat to 2.7.5 (GH-146085)
#146605
[3.12] gh-146211: Reject CR/LF in HTTP tunnel request headers (GH-146212)
#148341
[3.12] gh-141707: Skip TarInfo DIRTYPE normalization during GNU long name handling
#145817
[3.12] gh-145098: Use `macos-26-intel` instead of `macos-15-intel` (GH-149991)
#153186
[3.12] gh-146531: Broaden `wm_iconbitmap` skip on macOS 26 Intel (GH-153348)
#153453

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Top Contributors in v3.12.14

StanFromIreland
miss-islington
encukou
ambv
serhiy-storchaka
jihugo
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