[Python-checkins] [3.14] gh-148250: Mention str subclasses in PyUnicodeWriter_WriteStr() doc (GH-148251) (#148293)

https://github.com/python/cpython/commit/88fc1e60038378fddb4db67a7dc7427fe9982a29 commit: 88fc1e60038378fddb4db67a7dc7427fe9982a29 branch: 3.14 author: Miss Islington (bot) <[email protected]> committer: vstinner date: 2026-04-09T11:59:06Z summary: [3.14] gh-148250:

[Python-checkins] [3.13] gh-106318: Add example for str.swapcase() method (GH-144575) (#148297)

https://github.com/python/cpython/commit/8337805ad172c39eac4acc37527a01c35ea8361c commit: 8337805ad172c39eac4acc37527a01c35ea8361c branch: 3.13 author: Miss Islington (bot) <[email protected]> committer: hugovk <[email protected]> date: 2026-04-0

[Python-checkins] [3.14] gh-148274: properly handle result from `PyObject_VisitManagedDict` (GH-148275) (#148295)

https://github.com/python/cpython/commit/bb78ec8fa85a6699db600bbcf30117686b67cea1 commit: bb78ec8fa85a6699db600bbcf30117686b67cea1 branch: 3.14 author: Miss Islington (bot) <[email protected]> committer: kumaraditya303 date: 2026-04-09T13:49:09Z summary: [3.14] gh-1

[Python-checkins] gh-148286: Fail when new UB is found by CI UBSan (#148168)

https://github.com/python/cpython/commit/ade914bd1d6c34e995f7ca94561a4463936ffc29 commit: ade914bd1d6c34e995f7ca94561a4463936ffc29 branch: main author: Stan Ulbrych committer: StanFromIreland date: 2026-04-09T10:30:53+01:00 summary: gh-148286: Fail when new UB is found by CI UBSan (#148168) fil

[Python-checkins] gh-148274: properly handle result from `PyObject_VisitManagedDict` (#148275)

https://github.com/python/cpython/commit/ee2775cfae6bce18541e18797b67e09f2d12f72b commit: ee2775cfae6bce18541e18797b67e09f2d12f72b branch: main author: Max Bachmann committer: kumaraditya303 date: 2026-04-09T18:50:50+05:30 summary: gh-148274: properly handle result from `PyObject_VisitManagedDic

[Python-checkins] gh-148241: Fix json serialization for str subclasses (#148249)

https://github.com/python/cpython/commit/b7e1d51e6b0764dd51e97c2b539e9633028afb2d commit: b7e1d51e6b0764dd51e97c2b539e9633028afb2d branch: main author: Victor Stinner committer: vstinner date: 2026-04-09T13:50:44+02:00 summary: gh-148241: Fix json serialization for str subclasses (#148249) Fix

[Python-checkins] [3.14] gh-146646: Document that glob functions suppress OSError (GH-147996) (#148288)

https://github.com/python/cpython/commit/d31a16e66224738d5bd0398385aa8b8a8cfe666a commit: d31a16e66224738d5bd0398385aa8b8a8cfe666a branch: 3.14 author: Miss Islington (bot) <[email protected]> committer: vstinner date: 2026-04-09T11:00:23Z summary: [3.14] gh-146646:

[Python-checkins] gh-106318: Add example for str.swapcase() method (#144575)

https://github.com/python/cpython/commit/d11e9ff8ca0e6fc5525a47eeb0e99637987bb385 commit: d11e9ff8ca0e6fc5525a47eeb0e99637987bb385 branch: main author: Adorilson Bezerra committer: hugovk <[email protected]> date: 2026-04-09T16:33:31+03:00 summary: gh-106318: Add example for

[Python-checkins] [3.14] gh-106318: Add example for str.swapcase() method (GH-144575) (#148296)

https://github.com/python/cpython/commit/571c337a5dd80e4dabc8fe0e92003d77b583665d commit: 571c337a5dd80e4dabc8fe0e92003d77b583665d branch: 3.14 author: Miss Islington (bot) <[email protected]> committer: hugovk <[email protected]> date: 2026-04-0

[Python-checkins] [3.13] gh-148091: clarify asyncio.Future.cancel(msg) behaviour (GH-148248) (#148300)

https://github.com/python/cpython/commit/83cca73a0da6e66bc81482196185748065d1f9e5 commit: 83cca73a0da6e66bc81482196185748065d1f9e5 branch: 3.13 author: Miss Islington (bot) <[email protected]> committer: kumaraditya303 date: 2026-04-09T20:22:59+05:30 summary: [3.13]

[Python-checkins] [3.13] gh-148254: Use singular "sec" in timeit verbose output (GH-148290) (#148304)

https://github.com/python/cpython/commit/fe08867347f5136b05bb8d3b3ef132b2987435f8 commit: fe08867347f5136b05bb8d3b3ef132b2987435f8 branch: 3.13 author: Hugo van Kemenade <[email protected]> committer: hugovk <[email protected]> date: 2026-04-09T15:06:27Z

[Python-checkins] [3.14] gh-148254: Use singular "sec" in timeit verbose output (GH-148290) (#148303)

https://github.com/python/cpython/commit/1f177749c52bfaa015e962cbf2e0e1c15d0979df commit: 1f177749c52bfaa015e962cbf2e0e1c15d0979df branch: 3.14 author: Hugo van Kemenade <[email protected]> committer: hugovk <[email protected]> date: 2026-04-09T15:17:55Z

[Python-checkins] [3.14] gh-148091: clarify asyncio.Future.cancel(msg) behaviour (GH-148248) (#148299)

https://github.com/python/cpython/commit/b87590fd275b992364b716ea79341fd6069009c5 commit: b87590fd275b992364b716ea79341fd6069009c5 branch: 3.14 author: Miss Islington (bot) <[email protected]> committer: kumaraditya303 date: 2026-04-09T20:51:16+05:30 summary: [3.14]

[Python-checkins] gh-148211: decompose `_INSERT_1_LOAD_CONST_INLINE(_BORROW)` in JIT (GH-148283)

https://github.com/python/cpython/commit/0f492326647a760ab6d66d20334c3308df64a02d commit: 0f492326647a760ab6d66d20334c3308df64a02d branch: main author: Neko Asakura committer: Fidget-Spinner date: 2026-04-10T00:45:39+08:00 summary: gh-148211: decompose `_INSERT_1_LOAD_CONST_INLINE(_BORROW)` in J

[Python-checkins] gh-145831: email.quoprimime: `decode()` leaves stray `\r` when `eol='\r\n'` (#145832)

https://github.com/python/cpython/commit/1a0edb1fa899c067f19b09598b45cdb6e733c4ee commit: 1a0edb1fa899c067f19b09598b45cdb6e733c4ee branch: main author: Stefan Zetzsche <[email protected]> committer: bitdancer date: 2026-04-09T16:21:49-04:00 summary: gh-145831: emai

[Python-checkins] gh-148250: Mention str subclasses in PyUnicodeWriter_WriteStr() doc (#148251)

https://github.com/python/cpython/commit/8c524503cd728d609d63d9024a9e2c418ba71f40 commit: 8c524503cd728d609d63d9024a9e2c418ba71f40 branch: main author: Victor Stinner committer: vstinner date: 2026-04-09T13:53:10+02:00 summary: gh-148250: Mention str subclasses in PyUnicodeWriter_WriteStr() doc

[Python-checkins] gh-148254: Use singular "sec" in timeit verbose output (#148290)

https://github.com/python/cpython/commit/d8c56581560ed139d261dd14acd73597e40cf88b commit: d8c56581560ed139d261dd14acd73597e40cf88b branch: main author: gaweng <[email protected]> committer: hugovk <[email protected]> date: 2026-04-09T17:37:19+03:00 summa

[Python-checkins] [3.14] gh-148067: Fix typo in asyncio event loop docs: 'signals' -> 'signal' (GH-148073) (#148246)

https://github.com/python/cpython/commit/1a3c03c3c98f91bec719398cdac6dd4847c44344 commit: 1a3c03c3c98f91bec719398cdac6dd4847c44344 branch: 3.14 author: Miss Islington (bot) <[email protected]> committer: hugovk <[email protected]> date: 2026-04-0

[Python-checkins] [3.13] gh-148067: Fix typo in asyncio event loop docs: 'signals' -> 'signal' (GH-148073) (#148245)

https://github.com/python/cpython/commit/88b4c2305e83cfcf9b23c37091b2d03ed8c8f2a8 commit: 88b4c2305e83cfcf9b23c37091b2d03ed8c8f2a8 branch: 3.13 author: Miss Islington (bot) <[email protected]> committer: hugovk <[email protected]> date: 2026-04-0

[Python-checkins] gh-148091: clarify asyncio.Future.cancel(msg) behaviour (#148248)

https://github.com/python/cpython/commit/2acb8d9257c4f5049777d9d462092373b0b3feca commit: 2acb8d9257c4f5049777d9d462092373b0b3feca branch: main author: Manoj K M <[email protected]> committer: kumaraditya303 date: 2026-04-09T19:41:31+05:30 summary: gh-148091: clarify as

[Python-checkins] gh-134584 : Optimize and eliminate redundant ref-counting for `MAKE_FUNCTION` in the JIT (GH-144963)

https://github.com/python/cpython/commit/38d3aef3752914ab0c46d2a85ae614255874f8fb commit: 38d3aef3752914ab0c46d2a85ae614255874f8fb branch: main author: Sacul <[email protected]> committer: Fidget-Spinner date: 2026-04-09T22:22:53+08:00 summary: gh-134584 : Optimize and

[Python-checkins] [3.13] gh-146646: Document that glob functions suppress OSError (GH-147996) (#148289)

https://github.com/python/cpython/commit/0438467b2d7faa66b3c90f76e2d15c6c3b8456ff commit: 0438467b2d7faa66b3c90f76e2d15c6c3b8456ff branch: 3.13 author: Miss Islington (bot) <[email protected]> committer: vstinner date: 2026-04-09T10:51:12Z summary: [3.13] gh-146646:

[Python-checkins] gh-146646: Document that glob functions suppress OSError (#147996)

https://github.com/python/cpython/commit/8000a9de3c0b22f8202898a424c1008e13bd16ce commit: 8000a9de3c0b22f8202898a424c1008e13bd16ce branch: main author: WYSIATI committer: vstinner date: 2026-04-09T12:44:24+02:00 summary: gh-146646: Document that glob functions suppress OSError (#147996) files:

[Python-checkins] Update and expand the 'Fuzz Tests for CPython' README (#148270)

https://github.com/python/cpython/commit/ee5232782fd5b939267644cd45e182347795220a commit: ee5232782fd5b939267644cd45e182347795220a branch: main author: Stan Ulbrych committer: StanFromIreland date: 2026-04-09T08:52:30+01:00 summary: Update and expand the 'Fuzz Tests for CPython' README (#148270)

[Python-checkins] gh-131798: fold super method lookups in JIT (#148231)

https://github.com/python/cpython/commit/458aca92370d4b221f0e357f3104ed3c465756d6 commit: 458aca92370d4b221f0e357f3104ed3c465756d6 branch: main author: Kumar Aditya committer: kumaraditya303 date: 2026-04-09T13:25:01+05:30 summary: gh-131798: fold super method lookups in JIT (#148231) files: M