4.0 is the first release of ipykernel as a standalone package.
Release Guide
Using `jupyter_releaser`
The recommended way to make a release is to use [`jupyter_releaser`](https://jupyter-releaser.readthedocs.io/en/latest/get_started/making_release_from_repo.html).
Manual Release
- Update `CHANGELOG`
- Run the following:
bash
export VERSION=<version>
pip install pipx
pipx run hatch version $VERSION
git commit -a -m "Release $VERSION"
git tag $VERSION; true;
git push --all
git push --tags
rm -rf dist build
pipx run build .
pipx run twine check dist/*
pipx run twine upload dist/*