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Add batch-inference scorer interface

pipelineLensKit pipeline abstractionLensKit pipeline abstraction

Status: Open.

Feature

#1108 In lenskit/lkpy;

· mdekstrand opened on May 27, 2026

Add the ability to use one component's output in training another

pipelineLensKit pipeline abstractionLensKit pipeline abstraction

Status: Open.

Feature

#1107 In lenskit/lkpy;

· mdekstrand opened on May 27, 2026

Implement static pipeline type-checking

pipelineLensKit pipeline abstractionLensKit pipeline abstraction

Status: Open.

Feature

#1078 In lenskit/lkpy;

· mdekstrand opened on Apr 16, 2026

·  

2026.3

Implement Rust core for dataset abstractions

dataData management support.Data management support.

performance

Status: Open.

Feature

#1066 In lenskit/lkpy;

· mdekstrand opened on Apr 6, 2026

·  

2027.1

Add pipeline linting operations

pipelineLensKit pipeline abstractionLensKit pipeline abstraction

Status: Open.

Feature

#1039 In lenskit/lkpy;

· mdekstrand opened on Mar 14, 2026

·  

2026.3

Create pipeline inspection CLI

pipelineLensKit pipeline abstractionLensKit pipeline abstraction

Status: Open.

Feature

#1037 In lenskit/lkpy;

· mdekstrand opened on Mar 14, 2026

·  

2026.3

Support variadic pipeline components

pipelineLensKit pipeline abstractionLensKit pipeline abstraction

POPROXTasks needed to support POPROX.Tasks needed to support POPROX.

Status: Open.

Feature

#1036 In lenskit/lkpy;

· mdekstrand opened on Mar 14, 2026

Add graded rank-biased precision (GRBP)

evaluation

Status: Open.

Feature

#1031 In lenskit/lkpy;

· sushobhan2024 opened on Mar 5, 2026

Use Optuna directly instead of via Ray Tune for tuning

idea

tuning

Status: Open.

Feature

#1026 In lenskit/lkpy;

· mdekstrand opened on Feb 28, 2026

·  

2026.3

Remove Experimental label from FlexMF

componentsLensKit recommendation componentsLensKit recommendation components

Status: Open.

Feature

#1021 In lenskit/lkpy;

· mdekstrand opened on Feb 26, 2026

·  

2026.3

Add a Total Unique Items metric

evaluation

Status: Open.

Feature

#1005 In lenskit/lkpy;

· mdekstrand opened on Feb 10, 2026

·  

2026.3

Separate shims into a LensKit Addons repository

componentsLensKit recommendation componentsLensKit recommendation components

idea

Status: Open.

Task

#992 In lenskit/lkpy;

· mdekstrand opened on Jan 27, 2026