20 Pull requests merged by 14 people

• DOC: Fix typo in _HTMLDocumentationLinkMixin docstring

  #31887 merged Aug 7, 2025

• CI First step towards moving Azure CI to GHA

  #31832 merged Aug 7, 2025

• DOC Improve wording in Categorical Feature support example

  #31864 merged Aug 6, 2025

• DOC Add vector quantization example to KBinsDiscretizer docs

  #31613 merged Aug 5, 2025

• Add FAQ entry about the spam label

  #31822 merged Aug 5, 2025

• Bump pypa/cibuildwheel from 3.0.0 to 3.1.2 in the actions group

  #31865 merged Aug 4, 2025

• Fix requires_fit tag for stateless FeatureHasher and HashingVectorizer

  #31851 merged Aug 4, 2025

• DOC Enhance DBSCAN docstrings with clearer parameter guidance and descriptions

  #31835 merged Aug 4, 2025

• ENH avoid double input validation in ElasticNet and Lasso

  #31848 merged Aug 4, 2025

• ENH Array API support for confusion_matrix

  #30562 merged Aug 4, 2025

• 🔒 🤖 CI Update lock files for main CI build(s) 🔒 🤖

  #31877 merged Aug 4, 2025

• 🔒 🤖 CI Update lock files for free-threaded CI build(s) 🔒 🤖

  #31876 merged Aug 4, 2025

• 🔒 🤖 CI Update lock files for scipy-dev CI build(s) 🔒 🤖

  #31875 merged Aug 4, 2025

• DOC add 2nd author to whatsnew of #31068 temperature scaling

  #31868 merged Aug 4, 2025

• FEA add temperature scaling to CalibratedClassifierCV

  #31068 merged Aug 1, 2025

• TST random seed global /svm/tests/test_svm.py

  #25891 merged Aug 1, 2025

• DOC d2 brier score updates

  #31863 merged Aug 1, 2025

• TST better PassiveAggressive test against simple implementation

  #31857 merged Jul 31, 2025

• FEA D2 Brier Score

  #28971 merged Jul 31, 2025

• MNT Update .git-blame-ignore-revs with import change PRs

  #31858 merged Jul 31, 2025

11 Pull requests opened by 8 people

• ENH Add a tooltip for the RocCurveDisplay

  #31860 opened Jul 31, 2025

• FIX LogisticRegression warm start with newton-cholesky solver

  #31866 opened Aug 1, 2025

• Add Windows ARM64 GHA runner

  #31867 opened Aug 1, 2025

• ENH/DOC clearer sample weight validation error msg

  #31873 opened Aug 3, 2025

• :lock: :robot: CI Update lock files for array-api CI build(s) :lock: :robot:

  #31878 opened Aug 4, 2025

• ENH speedup enet_coordinate_descent_gram

  #31880 opened Aug 4, 2025

• ENH add gap safe screening rules to enet_coordinate_descent

  #31882 opened Aug 5, 2025

• Raise error logreg liblinear

  #31888 opened Aug 7, 2025

• DOC remove custom scorer from scratch from docs

  #31890 opened Aug 7, 2025

• FIX make scorer.repr work with a partial score_func

  #31891 opened Aug 7, 2025

• DOC: Clarify split threshold selection in RandomForest (#27159)

  #31892 opened Aug 7, 2025

7 Issues closed by 5 people

• SkLearn IQR function

  #31840 closed Aug 4, 2025

• Faster algorithm for KMeans

  #31870 closed Aug 4, 2025

• FeatureHasher and HashingVectorizer does not expose requires_fit=False tag

  #30689 closed Aug 4, 2025

• Implement temperature scaling for (multi-class) calibration

  #28574 closed Aug 1, 2025

• Ordinal Encoder Type Hints State unknown_value should be float, but this produces an error.

  #31862 closed Aug 1, 2025

• Add more D2 scores

  #20943 closed Jul 31, 2025

• `remainder='passthrough'` block is missing from `ColumnTransformer` HTML repr since 1.5

  #30498 closed Jul 31, 2025

7 Issues opened by 5 people

• We don't support `func(estimator, X, y, ...)` across the board as a scorer

  #31889 opened Aug 7, 2025

• `SVC(probability=True)` is not thread-safe

  #31885 opened Aug 6, 2025

• pairwise_distances_argmin_min / ArgKMin64 is not thread-safe

  #31884 opened Aug 6, 2025

• Fitting different instances of `LinearSVC` is not thread-safe

  #31883 opened Aug 6, 2025

• Strange normalization of semi-supervised label propagation in `_build_graph`

  #31872 opened Aug 3, 2025

• Proposal to Contribute Uncertainty Quantification via Aleatoric/Epistemic Decomposition to scikit-learn

  #31871 opened Aug 3, 2025

• Array API support for CalibratedClassifierCV

  #31869 opened Aug 2, 2025

49 Unresolved conversations

Sometimes conversations happen on old items that aren’t yet closed. Here is a list of all the Issues and Pull Requests with unresolved conversations.

• Added sample weight handling to BinMapper under HGBT

  #29641 commented on Aug 7, 2025 • 9 new comments

• Add stricter gradient check for log marginal likelihood in Gaussian Processes

  #31543 commented on Aug 4, 2025 • 5 new comments

• BUG: Fix SGD models(SGDRegressor etc.) convergence criteria

  #31856 commented on Aug 4, 2025 • 4 new comments

• MNT refactoring in routing _MetadataRequester

  #31534 commented on Aug 6, 2025 • 4 new comments

• WIP Add function to convert array namespace and device to reference array

  #31829 commented on Aug 5, 2025 • 3 new comments

• MNT Refactor `_average_weighted_percentile` to avoid double sort

  #31775 commented on Jul 31, 2025 • 3 new comments

• FEA Implement classical MDS

  #31322 commented on Aug 5, 2025 • 3 new comments

• Enable config setting `sparse_interface` to control sparray and spmatrix creation

  #31177 commented on Aug 7, 2025 • 3 new comments

• MNT Refactor get_metadata_routing method in MetadataRequest to directly use _get_metadata_request instead

  #31695 commented on Aug 6, 2025 • 2 new comments

• ENH Array API for `contingency_matrix`

  #29251 commented on Aug 7, 2025 • 2 new comments

• Refactor `_convert_container`

  #28681 commented on Aug 5, 2025 • 2 new comments

• FEA Group aware Time-based cross validation

  #16236 commented on Aug 5, 2025 • 2 new comments

• Fix uncomparable values in SimpleImputer tie-breaking strategy

  #31820 commented on Aug 3, 2025 • 1 new comment

• Add support for bools in SimpleImputer

  #31730 commented on Aug 5, 2025 • 1 new comment

• `_MultimetricScorer` deals with `_accept_sample_weights` inconsistently

  #31599 commented on Aug 5, 2025 • 0 new comments

• Unbiased MDI-like feature importance measure for random forests

  #31279 commented on Aug 5, 2025 • 0 new comments

• Adding more functionality to DecisionBoundaryDisplay

  #27462 commented on Aug 2, 2025 • 0 new comments

• FIX Draw indices using sample_weight in Random Forests

  #31529 commented on Aug 6, 2025 • 0 new comments

• [WIP] Add example for recommender system with ranking metrics

  #31531 commented on Aug 6, 2025 • 0 new comments

• Path for Adopting the Array API spec

  #22352 commented on Aug 2, 2025 • 0 new comments

• Some ideas for breaking changes for 2.0

  #28394 commented on Aug 2, 2025 • 0 new comments

• ENH Adding a column to link each parameter docstring row in params table display

  #31564 commented on Aug 7, 2025 • 0 new comments

• FIX `FunctionTransformer.get_feature_names_out` when output is set to dataframe

  #31573 commented on Aug 4, 2025 • 0 new comments

• MNT instruct AI tools to not open pull requests in github PULL_REQUEST_TEMPLATE.md

  #31643 commented on Aug 5, 2025 • 0 new comments

• FIX metadata routing for scorer

  #31654 commented on Aug 7, 2025 • 0 new comments

• Intercepts of Newton-Cholesky logistic regression get corrupted when warm starting

  #31859 commented on Aug 1, 2025 • 0 new comments

• ENH Display Methods in HTML representation

  #31698 commented on Aug 4, 2025 • 0 new comments

• CI: Enable GitHub Actions App for ppc64le (Power architecture) support

  #31810 commented on Aug 1, 2025 • 0 new comments

• Gaussian Mixture - Implementing weighted sample

  #15647 commented on Jul 31, 2025 • 0 new comments

• Adapting step_size and sag updates for sample_weight

  #31837 commented on Aug 5, 2025 • 0 new comments

• Unclear information in Explained variance

  #30905 commented on Jul 31, 2025 • 0 new comments

• Persistent UserWarning about KMeans Memory Leak on Windows Despite Applying Suggested Fixes

  #30921 commented on Aug 5, 2025 • 0 new comments

• Building interactive demos for examples

  #24878 commented on Aug 5, 2025 • 0 new comments

• Bad error messages in ClassifierChain on multioutput multiclass

  #13339 commented on Aug 6, 2025 • 0 new comments

• ⚠️ CI failed on Ubuntu_Atlas.ubuntu_atlas (last failure: Aug 03, 2025) ⚠️

  #27846 commented on Aug 7, 2025 • 0 new comments

• ⚠️ CI failed on Linux.pymin_conda_forge_openblas_min_dependencies (last failure: Jan 19, 2025) ⚠️

  #29909 commented on Aug 7, 2025 • 0 new comments

• ⚠️ CI failed on Linux_Docker.debian_32bit (last failure: Apr 19, 2025) ⚠️

  #29802 commented on Aug 7, 2025 • 0 new comments

• DOC Update wikipedia article for scikit-learn

  #30907 commented on Aug 7, 2025 • 0 new comments

• Strong Rules / Gap Safe Screening for Discarding Predictors in Lasso-type Problems

  #229 commented on Aug 7, 2025 • 0 new comments

• DOC Managing huntr security vulnerability reports

  #31657 commented on Aug 5, 2025 • 0 new comments

• DOC merging the examples related to OPTICS, DBSCAN, and HDBSCAN

  #29962 commented on Aug 5, 2025 • 0 new comments

• DEP PassiveAggressiveClassifier and PassiveAggressiveRegressor

  #29097 commented on Aug 5, 2025 • 0 new comments

• `FunctionTransformer` need `feature_names_out` even if `func` returns DataFrame

  #28780 commented on Aug 5, 2025 • 0 new comments

• AttributeError: This 'LabelEncoder' has no attribute 'set_output'

  #26711 commented on Aug 4, 2025 • 0 new comments

• Add array API support for Nystroem approximation

  #29661 commented on Aug 5, 2025 • 0 new comments

• Make the test suite itself thread-safe to be able to detect thread-safety problems with or without free-threading

  #30041 commented on Aug 7, 2025 • 0 new comments

• MultiOutputClassifier rely on estimator to provide pairwise tag

  #30236 commented on Aug 4, 2025 • 0 new comments

• RandomForest{Classifier,Regressor} split criterion documentation

  #27159 commented on Aug 4, 2025 • 0 new comments

• ENH: Make brier_score_loss Array API compatible

  #31191 commented on Aug 5, 2025 • 0 new comments