=========== What's new? =========== zfit is still under active development and may changes frequently, staying updated is recommended. Recent changes in the newest version :ref:`newest-changelog`. **Recommended:** Newest upgrade guide with zfit 0.20+, `run interactively and downloaded in the tutorials `_. .. toctree:: :maxdepth: 2 ../_tmp/zfit-tutorials/introduction/upgrade_guide_020.ipynb changelog