Major Release

Releases a new major version: increments the first digit of the semver and resets minor and patch to 0 (e.g. 0.3.1 → 1.0.0).

Steps

1. Determine next version

Read pyproject.toml for version = "X.Y.Z". Next version is (X+1).0.0.

2. Update version

Edit pyproject.toml: set version = "(X+1).0.0".

3. Update CHANGELOG.md

Prepend a new section at the top (after the # Changelog heading) for the new version: