This is considered "production ready" and now also available as package micropython-py-esp32-ulp on pypi.org.

For details please read the README.

2025-05-02:

• Added the sdist file of 1.1.0 release from pypi to here (back then under the old package name "micropython-py-esp32-ulp").
• Archived "micropython-py-esp32-ulp" on pypi - please use the new "micropython-esp32-ulp" pypi package.