I would like to be notified every time a new version of Virtualenv is released on PyPI, preferably by email or by RSS feed. Is this possible?
The Warehouse project that powers the
The Python Package Index (PyPI) at PyPI.org had a pull request to add support for "package update feeds" at URLs of the form /rss/{package_name}/updates.xml. That has been closed and in favour of a more general issue for a different, yet-to-be-implemented API.
When/if that goes live, that API will become the most direct and official way to get the updates you're after.