Version v0.9.0

What's Changed

Disclaimer

This is a large one, with a lot of improvements, new features and bug fixes!

TL;DR

• narwhals support for dataframe agnostic codebase
• numpy 2.0 support
• cvxpy 1.5 support
• improvements in scikit-learn intergration

New Features ✨

• Narwhals for dataframe-agnostic codebase by @FBruzzesi in #671
  This was a very large effort with the help of many to introduce narwhals:

  • #655 by @MarcoGorelli
  • #659 by @anopsy
  • #661 by @MarcoGorelli
  • #665 by @MarcoGorelli
  • #667 by @FBruzzesi
  • #669 by @DeaMariaLeon
  • #670 by @MarcoGorelli

• numpy 2.0rc support by @FBruzzesi in #651
  Supports of numpy 2.0 for base library (not including cvxpy and umap)

Bug fixes 🐞

• cvxpy 1.5.0 support by @FBruzzesi in #663
• ZeroInflatedRegressor fix training indices by @FBruzzesi in #666

Internals ⚒️

• Improving sklearn compatibility via parametrize_with_checks by @FBruzzesi in #660

Full Changelog: v0.8.2...v0.9.0