PySM 3.4.3 Released

openscience
pysm
python
Author

Andrea Zonca

Published

October 2, 2025

PySM version 3.4.3 is now live. Install it from PyPI or upgrade existing environments with pip install --upgrade pysm3. Full details are available in the GitHub release notes.

Highlights in this release include:

Let us know how PySM 3.4.3 works for your simulations, and file issues or discussion topics on the galsci/pysm repository if you run into anything unexpected.