Home » Oreps » Cpython » All Releases » v3.15.0b4 Release
python/cpython
The Python programming language
Watch
0
Commit Activity
Directory Browser
Velocity History
Releasesv3.15.0b4
Basic Details Issues Addressed Top Contributors Directory Browser
Cpython v3.15.0b4

Cpython: v3.15.0b4 Release

Release date:
July 18, 2026
Previous version:
v3.15.0b3 (released June 23, 2026)
Magnitude:
4,592 Diff Delta
Contributors:
8 total committers
Data confidence:
Commits:
289 impacting commits

186 Features Released with v3.15.0b4

[3.15] gh-152635: Raise MemoryError when the lock allocation fails in `_interpchannels.create()` (GH-152642)
#152671
[3.15] gh-150191: Avoid data race in test_sni_callback_race (GH-150193)
#153269
[3.15] gh-153068: Preserve cprofile enable errors (GH-153070)
#153241
[3.15] gh-152157: Reject empty fractions in `_datetime.{date}time.fromisoformat` (GH-152161)
#152761
[3.15] gh-110357: hashlib no longer logs at import when a guaranteed hash is unavailable (GH-152538)
#152554
[3.15] GH-151672: `__lazy_import__` always resolves to the module being imported (GH-151827)
#152534
[3.13] gh-153422: Assert bool return type in tkinter tests (GH-153429) (GH-153439)
#153443
[3.15] gh-152068: Reset PyREPL Colors on prompt finish (GH-152108)
#153029
[3.15] gh-152434: Block --async-aware with --binary (GH-152444)
#152446
[3.15] gh-151558: Fix symlink escape via `tarfile` hardlink-extraction fallback (GH-151559)
#151997
[3.15] gh-151029: Fix `test_remote_exec_deleted_static_executable` on static installed builds (GH-152653)
#152670
[3.15] gh-152711: Add pythoninfo-build command to Platforms/Android (GH-152713)
#152725
[3.15] gh-75595: Do not save a blank int entry in IDLE Settings (GH-152743)
#152827
[3.15] GH-151619: Ensure non-module global/builtin namespaces are watched for lazy imports (GH-151762)
#152533
[3.15] gh-121608: Fix test_samply_profiler: only check samply once (GH-153424)
#153457
[3.15] gh-150994: _colorize: modernize typing imports (GH-151018)
#152041
[3.15] gh-83386: Enable test_hang_gh83386 for ProcessPoolExecutor (GH-152976)
#152982
[3.15] gh-150579: use lazy imports for concurrent.futures (GH-150585)
#152975
[3.15] gh-148825: Fix build error if specialization is disabled (GH-148826)
#152206
[3.15] gh-153339: Remove extra skip in `test_generators.py` (GH-153340)
#153343
[3.15] gh-150191: temporarily skip two openssl tests which have internal data races under TSAN (GH-153320)
#153350
[3.15] gh-153201: Make TSan CI mandatory (GH-153491)
#153497
[3.15] gh-151626: Fix tests that fail when PYTHONPYCACHEPREFIX is set (GH-151952)
#152736
[3.15] gh-144774: Add critical section in `BaseException.__setstate__` (GH-150578)
#153746
[3.15] gh-151945: fix Sphinx reference warnings in `http.server` docs (GH-153084)
#153085
[3.15] gh-152020: Fix `asyncio.all_tasks()` loosing eager tasks on FT-build (GH-152022)
#152076
[3.15] gh-152248: Reject a POSIX TZ abbreviation with non-ASCII-letters in pure-Python `zoneinfo` (GH-152249)
#152650
[3.13] gh-151428: Remove unused imports in idlelib.idle_test (GH-151478) (GH-152916)
#152918
[3.15] Temporarily allow the TSan (free-threading) job to fail (GH-152173)
#153268
[3.15] gh-151496: Use process groups in TraceBackend in test_dtrace (GH-152039)
#152082

Browse Other Releases

Latest Pending Unreleased 😎
v3.15.0b4 Released July 18, 2026
4,592 Δ
v3.15.0b3 Released June 23, 2026
3,732 Δ
v3.15.0b2 Released June 2, 2026
16,013 Δ
v3.15.0b1 Released July 4, 2026
61,011 Δ
v3.15.0a8 Released July 25, 2026
19,189 Δ
v3.15.0a7 Released March 10, 2026
5,598 Δ
v3.15.0a6 Released February 11, 2026
5,172 Δ
v3.15.0a5 Released January 14, 2026
6,488 Δ
v3.15.0a4 Released January 13, 2026
2,989 Δ
v3.15.0a3 Released December 16, 2025
11,003 Δ

Top Contributors in v3.15.0b4

miss-islington
serhiy-storchaka
vstinner
StanFromIreland
terryjreedy
pablogsal
corona10
kumaraditya303

Directory Browser for v3.15.0b4

All files are compared to previous version, v3.15.0b3. Click here to browse diffs between other versions.

Loading File Browser...
GitClear uses cookies to ensure you get the best experience on our website. Learn more about our cookie policy