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PyPI · #1129 most downloaded on PyPI
API to interact with the python pyproject.toml based projects
Last release today
03 Oct 2026
Release timing varies
gaps range from 2 weeks to 10 months
Nearly every release is documented
notes for 28 of 29 stable releases
Nothing withdrawn
no release was ever pulled
5 years old
29 releases · first in 2021
One column per quarter.
docs: correct build result stream and dependency descriptions by @agammann in #303
Full Changelog: 1.11.2...1.11.3
Avoid pipe deadlocks when sending large backend requests by @caamer20 in #302
Fix the RTD docs links from PyPI title and badge by @webknjaz in #291
Full Changelog: 1.11.0...1.11.1
Adds support for Python 3.15 and 3.15t, and fixes a race in SubprocessCmdStatus.done : it keyed off returncode , which communicate() sets before the t
Adds support for Python 3.15 and 3.15t, and fixes a race in SubprocessCmdStatus.done: it keyed off returncode, which communicate() sets before the thread stores the output, so a poller could reach out_err() while it was still None (free-threaded builds hit this window). done now reports finished only once the output is stored (#282).
Full Changelog: 1.10.1...1.11.0
🔧 chore(tox): migrate tox.ini to tox.toml by @gaborbernat in #238
Full Changelog: 1.10.0...1.10.1
Fix CI for pytest-cov 7 by @gaborbernat in #210
Full Changelog: 1.9.1...1.10.0
Fix the CI by @gaborbernat in #177
Full Changelog: 1.9.0...1.9.1
<!-- Release notes generated using configuration in .github/release.yml at main -->
<!-- Release notes generated using configuration in .github/release.yml at main -->
Full Changelog: https://github.com/tox-dev/pyproject-api/compare/1.8.0...1.9.0
really drop python<3 support by @kloczek in #154
Improve the CI by @gaborbernat in #152
Move changelog to GH releases by @gaborbernat in #141
docs: correct Homepage URL by @bernardcooke53 in #116
Full Changelog: 1.6.1...1.7.0
Fix metadata_from_built only extracts one of the dist info files by @gaborbernat in #100
Full Changelog: 1.6.0...1.6.1
<!-- Release notes generated using configuration in .github/release.yml at main -->
<!-- Release notes generated using configuration in .github/release.yml at main -->
Full Changelog: https://github.com/tox-dev/pyproject-api/compare/1.5.4...1.6.0
<!-- Release notes generated using configuration in .github/release.yml at main -->
<!-- Release notes generated using configuration in .github/release.yml at main -->
Full Changelog: https://github.com/tox-dev/pyproject-api/compare/1.5.3...1.5.4
[pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in https://github.com/tox-dev/pyproject-api/pull/83
read_line to raise EOFError if nothing was read by @sk1p in https://github.com/tox-dev/pyproject-api/pull/86Full Changelog: https://github.com/tox-dev/pyproject-api/compare/1.5.2...1.5.3
Bump deps and tools by @gaborbernat in https://github.com/tox-dev/pyproject-api/pull/56
Full Changelog: https://github.com/tox-dev/pyproject-api/compare/1.5.1...1.5.2
Bump deps and tools by @gaborbernat in https://github.com/tox-dev/pyproject-api/pull/50
Full Changelog: https://github.com/tox-dev/pyproject-api/compare/1.5.0...1.5.1
[pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in https://github.com/tox-dev/pyproject-api/pull/43
Full Changelog: https://github.com/tox-dev/pyproject-api/compare/1.4.0...1.5.0
Add minimal CLI by @stephenfin in https://github.com/tox-dev/pyproject-api/pull/42
Full Changelog: https://github.com/tox-dev/pyproject-api/compare/1.3.0...1.4.0
Bump pypa/gh-action-pypi-publish from 1.5.2 to 1.6.1 by @dependabot in https://github.com/tox-dev/pyproject-api/pull/33
Full Changelog: https://github.com/tox-dev/pyproject-api/compare/1.2.1...1.3.0
Nothing published for this version
[pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in https://github.com/tox-dev/pyproject-api/pull/28
Full Changelog: https://github.com/tox-dev/pyproject-api/compare/1.1.2...1.2.0
Full Changelog: https://github.com/tox-dev/pyproject-api/compare/1.1.1...1.1.2
Full Changelog: https://github.com/tox-dev/pyproject-api/compare/1.1.1...1.1.2
Full Changelog: https://github.com/tox-dev/pyproject-api/compare/1.1.0...1.1.1
Full Changelog: https://github.com/tox-dev/pyproject-api/compare/1.1.0...1.1.1
PEP-660 support by @gaborbernat in https://github.com/tox-dev/pyproject-api/pull/21
Full Changelog: https://github.com/tox-dev/pyproject-api/compare/1.0.0...1.1.0
[pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in https://github.com/tox-dev/pyproject-api/pull/6
Full Changelog: https://github.com/tox-dev/pyproject-api/compare/0.1.1...1.0.0
[pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in https://github.com/tox-dev/pyproject-api/pull/1
Full Changelog: https://github.com/tox-dev/pyproject-api/compare/0.1.0...0.1.1
Full Changelog: https://github.com/tox-dev/pyproject-api/commits/0.1.0
Full Changelog: https://github.com/tox-dev/pyproject-api/commits/0.1.0
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