release: 0.29.1 by davidhewitt · Pull Request #6151 · PyO3/pyo3

davidhewitt · 2026-06-21T20:49:00Z

Backports for the 0.29.1 release.

Before I prep the release to ship:

Signed-off-by: person93 <person93.person93@gmail.com>

…_MEMBERS` fail with address sanitizer (#6145) * PyHeapType_GET_MEMBERS: cast etype to *mut u8 * PyObject_GET_WEAKREFS_LISTPTR: cast o to *mut u8 * Add newsfragement entry * fix newsfragement entry * Use byte_offset instead of casting * PyObject_GET_WEAKREFS_LISTPTR: link from CPython

* fix typos & add spell check * add typos to dependency-groups * uvx ruff format .

* fix: compile with PyPy when nightly feature is enabled * add changelog * add check-nightly * Update .github/workflows/ci.yml --------- Co-authored-by: David Hewitt <mail@davidhewitt.dev>

Bumps [actions/checkout](https://github.com/actions/checkout) from 6.0.3 to 7.0.0. - [Release notes](https://github.com/actions/checkout/releases) - [Commits](actions/checkout@v6.0.3...v7) --- updated-dependencies: - dependency-name: actions/checkout dependency-version: 7.0.0 dependency-type: direct:production update-type: version-update:semver-major ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* ci: update / clean up wasm build * drop `--quiet` * fix CC variable conflict * switch wasm jobs to uv * debug * fix `test-wasm` path

…#6154)

Bumps [actions/cache](https://github.com/actions/cache) from 5 to 6. - [Release notes](https://github.com/actions/cache/releases) - [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md) - [Commits](actions/cache@v5...v6) --- updated-dependencies: - dependency-name: actions/cache dependency-version: '6' dependency-type: direct:production update-type: version-update:semver-major ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Updates the requirements on [codspeed-criterion-compat](https://github.com/CodSpeedHQ/codspeed-rust) to permit the latest version. - [Release notes](https://github.com/CodSpeedHQ/codspeed-rust/releases) - [Commits](CodSpeedHQ/codspeed-rust@v4.0.0...v5.0.1) --- updated-dependencies: - dependency-name: codspeed-criterion-compat dependency-version: 5.0.1 dependency-type: direct:production ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Update nox command for generating lcov file for vscode plugin for coverage visualization.

…6179)

* fix lifetime of return value in `PyClassGuardMutSuper::as_super` * newsfragment

codspeed-hq · 2026-07-04T19:51:40Z

Merging this PR will regress 1 benchmark

⚠️

Different runtime environments detected

Some benchmarks with significant performance changes were compared across different runtime environments,
which may affect the accuracy of the results.

Open the report in CodSpeed to investigate

#### 🎉 Hooray! `codspeed-rust` just leveled up to 5.0.1!

A heads-up, this is a breaking change and it might affect your current performance baseline a bit. But here's the exciting part - it's packed with new, cool features and promises improved result stability 🥳!
Curious about what's new? Visit our releases page to delve into all the awesome details about this new version.

⚡ 9 improved benchmarks
❌ 1 regressed benchmark
✅ 116 untouched benchmarks

Warning

Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

	Benchmark	`BASE`	`HEAD`	Efficiency
❌	`into_u128_max`	1.6 µs	2.1 µs	-24.02%
⚡	`extract_i128_small_pos`	1.2 µs	1.1 µs	+14.57%
⚡	`extract_i128_pos_max`	1.5 µs	1.3 µs	+14.38%
⚡	`extract_i128_neg_min`	1.5 µs	1.3 µs	+14.35%
⚡	`extract_i128_zero`	1.3 µs	1.1 µs	+14.18%
⚡	`extract_i128_small_neg`	1.3 µs	1.1 µs	+13.76%
⚡	`extract_u128_small`	1.2 µs	1 µs	+12.18%
⚡	`extract_u128_zero`	1.2 µs	1.1 µs	+11.85%
⚡	`extract_u128_u32_max`	1.3 µs	1.1 µs	+11.1%
⚡	`extract_u128_u64_max`	1.4 µs	1.3 µs	+10.11%

Tip

Investigate this regression by commenting @codspeedbot fix this regression on this PR, or directly use the CodSpeed MCP with your agent.

_{Comparing release-0.29.1 (5f12b37) with release-0.29 (646a38d)¹}

No successful run was found on release-0.29 (0f90242) during the generation of this report, so e69ae19 was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩

ngoldbaum · 2026-07-06T22:06:50Z

I just opened #6192. The first commit there should be backported here.

bschoenmaeckers · 2026-07-22T11:05:26Z

Could you also include the fix in #6154?

davidhewitt and others added 6 commits June 21, 2026 21:46

ci: remove references to generate-import-lib feature (#6127)

f842407

Add tibs library to the README (#6137)

384f23b

add safety comments (#6139)

7162e7c

Signed-off-by: person93 <person93.person93@gmail.com>

internal: fix cfg_select polyfill short circuit (#6140)

c74f617

fix typos & add spell checker (#6147)

89f7fd2

* fix typos & add spell check * add typos to dependency-groups * uvx ruff format .

davidhewitt added the CI-build-full label Jun 21, 2026

chirizxc and others added 12 commits July 4, 2026 20:38

fix: compile with PyPy when nightly feature is enabled (#6146)

2049deb

* fix: compile with PyPy when nightly feature is enabled * add changelog * add check-nightly * Update .github/workflows/ci.yml --------- Co-authored-by: David Hewitt <mail@davidhewitt.dev>

ci: update / clean up wasm build (#6166)

455b2bb

* ci: update / clean up wasm build * drop `--quiet` * fix CC variable conflict * switch wasm jobs to uv * debug * fix `test-wasm` path

Update pull_request_template.md (#6167)

7eabfc3

docs: add pdfcrate and quebec to examples (#6162)

ef57c28

Fail PyTuple::new on wrong sizehint when compiling for RustPython (…

d808b40

…#6154)

Fix nox command for vscode coverage plugin (#6175)

121fb1c

Update nox command for generating lcov file for vscode plugin for coverage visualization.

Use the inline definition of Py_TYPE in the unlimited API on 3.14+ (#…

75bb3a7

…6179)

fix lifetime of return value in PyClassGuardMutSuper::as_super (#6181)

ed43b86

* fix lifetime of return value in `PyClassGuardMutSuper::as_super` * newsfragment

remove dead link to async-std website (#6184)

6680261

add typos to uv.lock (#6186)

f18fb8d

ngoldbaum mentioned this pull request Jul 6, 2026

Use a common helper to determine applicable stable ABI builds #6192

Merged

Use a common helper to determine applicable stable ABI builds

5f12b37

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release: 0.29.1#6151

release: 0.29.1#6151
davidhewitt wants to merge 20 commits into
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davidhewitt commented Jun 21, 2026 •

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Merging this PR will regress 1 benchmark

Performance Changes

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ngoldbaum commented Jul 6, 2026

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davidhewitt commented Jun 21, 2026 •

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