pyx doesn't compete with PyPI; it's a private registry that companies can use e.g. to host internal-only packages, or to provide curated views of things like PyPI for compliance reasons.
> making changes which seemingly require their client (uv) be used
That's an explicit non-goal: "You won't need to use pyx to use uv, and you won't need to use uv to use pyx."
pyx doesn't compete with PyPI; it's a private registry that companies can use e.g. to host internal-only packages, or to provide curated views of things like PyPI for compliance reasons.
> making changes which seemingly require their client (uv) be used
That's an explicit non-goal: "You won't need to use pyx to use uv, and you won't need to use uv to use pyx."