Changes

Release 0.5

Fix a bug that broke importlib.invalidate_caches

Release 0.4

Add a new add_to_subpackage method.
Add type annotations.
Internal admin: Switch to nox for automation
Internal admin: Switch to ruff for linting
Internal admin: Switch from setuptools to flit_core

Release 0.3

Add documentation
Validate and normalise project names
Change: bootstrap file is now named _editable_impl_<project>.py
Drop support for Python 3.6
Add minimal release automation to update the version number
Add this changelog