Issues

• lightfm pip install fails on pip==25.3 because of pep517

  lyst/lightfm#727 · Filter by author VictorAraki opened on Nov 24, 2025

• bug in lightfm's build system

  lyst/lightfm#725 · Filter by author Sagor0078 opened on Oct 22, 2025
  1

• LightFM .fit() (loss)

  lyst/lightfm#724 · Filter by author Datchthana1 opened on Oct 12, 2025
  2

• Code silently fails after running model.fit()

  lyst/lightfm#720 · Filter by author alexandrebiomed opened on Nov 28, 2024
  4

• Cannot learn from large numbers of interactions

  lyst/lightfm#719 · Filter by author MariaZharova opened on Nov 5, 2024

• Recommend for cold start user

  lyst/lightfm#718 · Filter by author thanhtruongtran opened on Oct 26, 2024

• Recommending documents to users based on keywords in the absence of interactions

  lyst/lightfm#716 · Filter by author dlindelof opened on Aug 4, 2024

• Recommendation model with text embedding as item feature

  lyst/lightfm#713 · Filter by author robin495 opened on Jun 18, 2024
  2

• ModuleNotFoundError: No module named 'lightfm._lightfm_fast_no_openmp'

  lyst/lightfm#712 · Filter by author RILUCK opened on May 27, 2024

• Can't seem to install with with poetry

  lyst/lightfm#711 · Filter by author RILUCK opened on May 22, 2024
  3

• Can't install on Python 3.12

  lyst/lightfm#709 · Filter by author daviddavo opened on May 17, 2024
  11

• Creating recommendations for single users without leveraging user identity features

  lyst/lightfm#708 · Filter by author ghost opened on Apr 3, 2024

• Does calculating precision@k for one user makes sense?

  lyst/lightfm#707 · Filter by author saba-zones opened on Feb 22, 2024
  1

• LightFM kills Jupyter Kernel when fitting model

  lyst/lightfm#706 · Filter by author MBuggey opened on Jan 31, 2024

• Implementing Incremental Training and Feedback loop using Lightfm

  lyst/lightfm#705 · Filter by author abadugu13 opened on Jan 26, 2024

• Can't install on Python 3.10.6 in Ubuntu

  lyst/lightfm#703 · Filter by author guilhermeparreira opened on Oct 27, 2023
  1

• Auc evalutation return always nan

  lyst/lightfm#702 · Filter by author apujol-accenture opened on Oct 27, 2023

• Evaluate AUC on a subset of items

  lyst/lightfm#701 · Filter by author federico-fabiani opened on Oct 24, 2023

• How to get clusters of users from trained lightfm model on implicit rating model?

  lyst/lightfm#700 · Filter by author lalitkishorevyas opened on Sep 10, 2023

• Is there a way to save Dataset()?

  lyst/lightfm#698 · Filter by author Lulu20220 opened on Aug 23, 2023
  1

• Item and User Normalization

  lyst/lightfm#697 · Filter by author wahabaftab opened on Jul 10, 2023

• Incorporating item and user biases in LightFM embeddings for accurate recommendations in Vespa

  lyst/lightfm#696 · Filter by author Homa-Radaei opened on Jul 4, 2023
  1

• Recommender System with RFM ratings to put into Interaction matrix

  lyst/lightfm#693 · Filter by author rajatrautela opened on Jun 9, 2023
  9

• How to reproduce the evaluation score in the paper.

  lyst/lightfm#692 · Filter by author menglin0320 opened on May 24, 2023

• Lightfm 1.17 - kernel dies in Jupyter, Spyder when fitting

  lyst/lightfm#690 · Filter by author sbildea opened on May 11, 2023
  3