Released quarterly on the first day of January, April, July, October.
- Open a release ticket e.g. python-pillow#3154
- Develop and prepare release in
master
branch. - Check Travis CI and AppVeyor CI to confirm passing tests in
master
branch. - Check that all of the wheel builds Pillow Wheel Builder pass the tests in Travis CI.
- In compliance with PEP 440, update version identifier in
src/PIL/_version.py
- Update
CHANGES.rst
. - Run pre-release check via
make release-test
in a freshly cloned repo. - Create branch and tag for release e.g.:
git branch 5.2.x git tag 5.2.0 git push --all git push --tags
- Create source distributions e.g.:
make sdist
- Create binary distributions
- Upload all binaries and source distributions e.g.
twine upload dist/Pillow-5.2.0*
- Create a new release on GitHub
- In compliance with PEP 440, increment and append
.dev0
to version identifier insrc/PIL/_version.py
Released as needed for security, installation or critical bug fixes.
- Make necessary changes in
master
branch. - Update
CHANGES.rst
. - Check out release branch e.g.:
git checkout -t remotes/origin/5.2.x
- Cherry pick individual commits from
master
branch to release branch e.g.5.2.x
. - Check Travis CI to confirm passing tests in release branch e.g.
5.2.x
. - In compliance with PEP 440, update version identifier in
src/PIL/_version.py
- Run pre-release check via
make release-test
. - Create tag for release e.g.:
git tag 5.2.1 git push --tags
- Create source distributions e.g.:
make sdist
- Create binary distributions
- Upload all binaries and source distributions e.g.
twine upload dist/Pillow-5.2.1*
- Create a new release on GitHub
Released as needed privately to individual vendors for critical security-related bug fixes.
- Prepare patch for all versions that will get a fix. Test against local installations.
- Commit against master, cherry pick to affected release branches.
- Run local test matrix on each release & Python version.
- Privately send to distros.
- Run pre-release check via
make release-test
- Amend any commits with the CVE #
- On release date, tag and push to GitHub.
git checkout 2.5.x git tag 2.5.3 git push origin 2.5.x git push origin --tags
- Create source distributions e.g.:
make sdist
- Create binary distributions
- Create a new release on GitHub
- Contact
@cgohlke
for Windows binaries via release ticket e.g. python-pillow#1174. - Download and extract tarball from
@cgohlke
andtwine upload *
.
- Use the Pillow Wheel Builder:
git clone https://github.com/python-pillow/pillow-wheels cd pillow-wheels ./update-pillow-tag.sh [[release tag]]
- Download distributions from the Pillow Wheel Builder container.
wget -m -A 'Pillow-<VERSION>-*' \ http://a365fff413fe338398b6-1c8a9b3114517dc5fe17b7c3f8c63a43.r19.cf2.rackcdn.com
- Announce release availability via Twitter e.g. https://twitter.com/PythonPillow/status/1013789184354603010
- Make sure the default version for Read the Docs is up-to-date with the release changes