• Remove support for Python 3.8 (end-of-life 2024-10-07)
• Remove support for Python 3.9 (end-of-life 2025-10-31)
• Add support for Numpy 2.x. See #600
• Increase minimum required Scipy to 1.13.0 (See #607)
• Increase minimum required statsmodels to 1.14.5 (See #607)
• Add support for Python 3.13 (See #609)
• Migrate to pyproject for builds (See #610)