2024 Releases

The 2024 release series is currently in development. No specific release date is set yet.

2024 will bring breaking changes to several LensKit APIs to improve ergonomics, correctness-by-default, and flexibility. It also adopts SPEC0, a standard for supported versions of scientific Python libraries, and changes the LensKit version number scheme to “SemCalVer”.

2024.1 (in progress)

The first 2024 release is currently in-progress.

This document presents the highlights for this release. The full changelog for this release is available in the Git history and issue/PR milestone.

New Features (incremental)

• Added RBP top-N metric (⛙ 334).

• Added command-line tool to fetch datasets (⛙ 347).

Bug Fixes

• Fixed bug in NDCG list truncation (🐞 309, ⛙ 312).

• lenskit.util.clone() now properly clones tuples (⛙ 358).

• Corrected documentation errors for recall() and hit() (⛙ 369 by @lukas-wegmeth).

Dependencies and Maintenance

• Bumped minimum supported dependencies as per SPEC0 (Python 3.10, NumPy 1.23, Pandas 1.5, SciPy 1.9).

• Added support for Pandas 2 (⛙ 364) and Python 3.12.

• Improved Apple testing to include vanilla Python and Apple Silicon (⛙ 366).

• Updated build environment, dependency setup, taskrunning, and CI to more consistent and maintainable.

• Removed legacy random code in favor of seedbank (⛙ 351).

• Code is now auto-formatted with Ruff.