32 Pull requests merged by 21 people

• FIX _safe_indexing: improve error message for string indexing on axis=0

  #31494 merged Jul 2, 2025

• FIX wrong >= in error message in _locally_linear_embedding

  #29716 merged Jul 2, 2025

• MAINT CI cleanups and checks

  #31690 merged Jul 2, 2025

• DOC Recommend setting array_api_dispatch globally in array API docs

  #31687 merged Jul 2, 2025

• DOC Improve docstrings for scikit-learn configuration functions

  #31486 merged Jul 2, 2025

• DOC Add Links to plot_lof_novelty_detection example

  #31405 merged Jul 2, 2025

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

  #31632 merged Jul 2, 2025

• MAINT upgrade CI to cibuildwheel 3.0

  #31688 merged Jul 2, 2025

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

  #31630 merged Jul 2, 2025

• Reduce iteration over steps in _sk_visual_block_

  #29022 merged Jul 1, 2025

• ENH Make GaussianProcessRegressor.predict faster when return_std and return_cov are false

  #31431 merged Jul 1, 2025

• ENH Add array API for PolynomialFeatures

  #31580 merged Jul 1, 2025

• MAINT: make scipy-doctest usage forward-compatible

  #31609 merged Jun 30, 2025

• BLD fix missing license file

  #31594 merged Jun 30, 2025

• 🔒 🤖 CI Update lock files for array-api CI build(s) 🔒 🤖

  #31631 merged Jun 30, 2025

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

  #31629 merged Jun 30, 2025

• DOC: Remove FIXME tags from glossary

  #31677 merged Jun 29, 2025

• DOC The set {0,1} should be \{0, 1\} in math mode

  #31622 merged Jun 29, 2025

• DOC fix minor typo in TimeSeriesSplit docstrings

  #31640 merged Jun 29, 2025

• DOC fix typo and improve whatsnew of #31665

  #31669 merged Jun 29, 2025

• MNT Remove deprecated iprint and disp usage in scipy 1.15 LBFGS

  #31642 merged Jun 29, 2025

• DOC Fixed minor typo: "multiclasss" -> "multiclass"

  #31667 merged Jun 29, 2025

• ENH avoid np.square(X) in enet_coordinate_descent to save memory

  #31665 merged Jun 27, 2025

• MNT fix typo in changelog of #31414

  #31661 merged Jun 27, 2025

• Add array API tests for pairwise_distances

  #31658 merged Jun 26, 2025

• DOC Clarify how mixed array input types handled in array api

  #31452 merged Jun 26, 2025

• feat: support Intel GPUs in Array API testing

  #31650 merged Jun 26, 2025

• Fix make_swiss_roll docstring to resolve a copyright ambiguity

  #31646 merged Jun 26, 2025

• FIX use pyarrow types in pyarrow.filter() for older pyarrow versions

  #31605 merged Jun 26, 2025

• ENH Add support for np.nan values in SplineTransformer

  #28043 merged Jun 26, 2025

• FIX GaussianMixture sample method to correctly handle mps

  #31639 merged Jun 26, 2025

• CI Avoid Windows timeout by switching to OpenBLAS

  #31641 merged Jun 26, 2025

9 Pull requests opened by 9 people

• ENH add Array API support for `d2_pinball_score` and `d2_absolute_error_score`

  #31671 opened Jun 28, 2025

• Fix sample weight handling in SAG(A)

  #31675 opened Jun 28, 2025

• DOC: Add missing link to example in plot_digits_agglomeration.py

  #31681 opened Jun 30, 2025

• Docs: Add Nvidia RAPIDS

  #31682 opened Jun 30, 2025

• FIX Revert tarfile_extractall clean-up

  #31685 opened Jul 1, 2025

• Mention possibility of regression targets in warning about unique classes >50% of n_samples

  #31689 opened Jul 2, 2025

• Revert ":lock: :robot: CI Update lock files for main CI build(s) :lock: :robot: (#31632)"

  #31691 opened Jul 2, 2025

• TST use global_random_seed in sklearn/covariance/tests/test_graphical…

  #31692 opened Jul 2, 2025

• ENH: Add xlim/ylim parameters to DecisionBoundaryDisplay.from_estimator

  #31693 opened Jul 2, 2025

9 Issues closed by 4 people

• LocallyLinearEmbedding : n_neighbors <= n_samples

  #29715 closed Jul 2, 2025

• Suggested fix: GaussianProcessRegressor.predict wastes significant time when both `return_std` and `return_cov` are `False`

  #31374 closed Jul 1, 2025

• ⚠️ CI failed on Wheel builder (last failure: Jun 30, 2025) ⚠️

  #31590 closed Jun 30, 2025

• DOC: Glossary contains several FIXME tags

  #31628 closed Jun 29, 2025

• ⚠️ CI failed on Linux_Nightly.pylatest_pip_scipy_dev (last failure: Jun 29, 2025) ⚠️

  #31624 closed Jun 29, 2025

• Clarification of output array type when metrics accept multiclass/multioutput

  #31286 closed Jun 26, 2025

• Contains code not allowed for commercial use

  #31390 closed Jun 26, 2025

• `_safe_indexing` fails with pyarrow==16.0.0

  #31604 closed Jun 26, 2025

• Handle np.nan / missing values in SplineTransformer

  #26793 closed Jun 26, 2025

3 Issues opened by 3 people

• AI tools like Copilot Coding Agent don't know about / don't respect our Automated Contributions Policy

  #31679 opened Jun 30, 2025

• ENH Add clip parameter to MaxAbsScaler

  #31672 opened Jun 28, 2025

• memory leak for QuantileTransformer

  #31668 opened Jun 27, 2025

79 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 Jul 2, 2025 • 26 new comments

• FEA D2 Brier Score

  #28971 commented on Jul 1, 2025 • 13 new comments

• DOC improve doc for `_check_n_features` and `_check_feature_names` and fix their usages

  #31585 commented on Jun 30, 2025 • 9 new comments

• DOC Increase prominence of starting from existing issues

  #31660 commented on Jun 27, 2025 • 8 new comments

• adding adaptive learning rate for minibatch k-means

  #30051 commented on Jun 27, 2025 • 7 new comments

• Add title to DecisionBoundaryDisplay

  #31558 commented on Jun 29, 2025 • 7 new comments

• MNT refactoring in routing _MetadataRequester

  #31534 commented on Jul 2, 2025 • 5 new comments

• Fix spurious warning from type_of_target when called on estimator.classes_

  #31584 commented on Jul 2, 2025 • 5 new comments

• FIX Draw indices using sample_weight in Forest

  #31529 commented on Jul 2, 2025 • 3 new comments

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

  #31573 commented on Jul 2, 2025 • 3 new comments

• FEA Implement classical MDS

  #31322 commented on Jul 2, 2025 • 2 new comments

• Disable numpy array resize refcheck in svmlight format

  #31435 commented on Jul 2, 2025 • 1 new comment

• DOC add link to plot_multi_metric_evaluation in make scorer #30841

  #31561 commented on Jul 2, 2025 • 1 new comment

• DOC add links to plot_polynomial_interpolation.py

  #31576 commented on Jul 1, 2025 • 1 new comment

• Add vector quantization example to KBinsDiscretizer docs

  #31613 commented on Jul 2, 2025 • 1 new comment

• DOC add a link to GitHub Discussions on home page

  #30089 commented on Jun 27, 2025 • 0 new comments

• FEA add binary_classification_curve

  #30134 commented on Jul 1, 2025 • 0 new comments

• Raise if fit and predict use different array API namespaces or devices

  #29313 commented on Jul 2, 2025 • 0 new comments

• Enhance ValidationCurveDisplay for categorical parameters

  #31043 commented on Jun 26, 2025 • 0 new comments

• DOC Merge plot_svm_margin.py and plot_separating_hyperplane.py into plot_svm_hyperplane_margin.py

  #31045 commented on Jun 27, 2025 • 0 new comments

• Add parameter to train_test_split for deterministic splitting and tests

  #31097 commented on Jun 26, 2025 • 0 new comments

• DEP PassiveAggressiveClassifier and PassiveAggressiveRegressor

  #29097 commented on Jul 1, 2025 • 0 new comments

• Add `sample_weight` support for `QuantileTransformer` when fit on dense data

  #31147 commented on Jun 26, 2025 • 0 new comments

• BLD Use Cython's shared memoryview utility to reduce wheel size

  #31151 commented on Jun 29, 2025 • 0 new comments

• FIX TunedThresholdClassifierCV error or warn with informative message on invalid metrics

  #29082 commented on Jul 1, 2025 • 0 new comments

• ENH Add zero division handling to cohen_kappa_score

  #31172 commented on Jul 1, 2025 • 0 new comments

• Unbiased MDI-like feature importance measure for random forests

  #31279 commented on Jul 2, 2025 • 0 new comments

• ENH add sample_weight and fit_intercept to Cython enet_coordinate_descent

  #31375 commented on Jun 30, 2025 • 0 new comments

• MNT refactor _rescale_data in linear models into _preprocess_data

  #31418 commented on Jun 30, 2025 • 0 new comments

• FEA Implement categorical feature support to `IterativeImputer`

  #31479 commented on Jul 2, 2025 • 0 new comments

• FEA return final cross-validation score in `SequentialFeatureSelector`

  #31483 commented on Jul 2, 2025 • 0 new comments

• DOC add reference to example for BayesianRidge in docstring

  #31487 commented on Jun 28, 2025 • 0 new comments

• ENH Add multi-threshold classification to FixedThresholdClassifier

  #31544 commented on Jun 26, 2025 • 0 new comments

• [MRG] DOC: add Visualization API ROC example link to model_evaluation

  #31591 commented on Jun 29, 2025 • 0 new comments

• [MRG] ENH: add plot_f1_baseline option to PrecisionRecallDisplay.plot

  #31600 commented on Jul 1, 2025 • 0 new comments

• CI Move some pip_dependencies to conda_dependencies

  #31623 commented on Jun 26, 2025 • 0 new comments

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

  #31643 commented on Jul 2, 2025 • 0 new comments

• FIX ensure proper point dropping in roc_curve with drop_interm…

  #31647 commented on Jul 1, 2025 • 0 new comments

• FIX metadata routing for scorer

  #31654 commented on Jun 26, 2025 • 0 new comments

• bump min dependencies anticipating next major release on 2025-11-01

  #31656 commented on Jun 29, 2025 • 0 new comments

• ENH add CAP curve

  #28972 commented on Jul 1, 2025 • 0 new comments

• sample_weight is silently ignored in LogisticRegressionCV.score when metadata routing is enabled

  #30817 commented on Jul 1, 2025 • 0 new comments

• BUG internal indexing tools trigger error with pandas < 2.0.0

  #28931 commented on Jul 1, 2025 • 0 new comments

• `_check_feature_names` raises UserWarning when accessing bagged estimators

  #21599 commented on Jul 1, 2025 • 0 new comments

• TransformedTargetClassifier

  #20952 commented on Jul 1, 2025 • 0 new comments

• DOC Managing huntr security vulnerability reports

  #31657 commented on Jul 1, 2025 • 0 new comments

• Add links to examples from the docstrings and user guide

  #30621 commented on Jul 1, 2025 • 0 new comments

• OneVsRestClassifier cannot be used with TunedThresholdClassifierCV

  #30036 commented on Jul 1, 2025 • 0 new comments

• ENH: Add MedianAbsoluteDeviationScaler (MADScaler) to sklearn.preprocessing

  #31621 commented on Jul 1, 2025 • 0 new comments

• Two bugs in `sklearn.metrics.roc_curve`: `drop_intermediate=True` option

  #31635 commented on Jul 1, 2025 • 0 new comments

• Regression in `DecisionBoundaryDisplay.from_estimator` with `colors` and `plot_method='contour'` after upgrading to v1.7.0

  #31546 commented on Jun 30, 2025 • 0 new comments

• Automatically move `y` (and `sample_weight`) to the same device and namespace as `X`

  #28668 commented on Jun 30, 2025 • 0 new comments

• Bad error messages in ClassifierChain on multioutput multiclass

  #13339 commented on Jun 29, 2025 • 0 new comments

• `ValueError` raised by `FeatureUnion._set_output` with `FunctionTransform` that outputs a pandas `Series` in scikit-learn version 1.6

  #31318 commented on Jun 29, 2025 • 0 new comments

• Improve sample_weight handling in sag(a)

  #31536 commented on Jun 28, 2025 • 0 new comments

• DOC About Us page - clarify team descriptions

  #31653 commented on Jun 28, 2025 • 0 new comments

• RandomForest{Classifier,Regressor} split criterion documentation

  #27159 commented on Jun 27, 2025 • 0 new comments

• LogisticRegression freezed when X containing large number

  #7486 commented on Jun 27, 2025 • 0 new comments

• Huber Loss for HistGradientBoostingRegressor

  #31542 commented on Jun 27, 2025 • 0 new comments

• Some ideas for breaking changes for 2.0

  #28394 commented on Jun 26, 2025 • 0 new comments

• Refactor `_convert_container`

  #28681 commented on Jul 1, 2025 • 0 new comments

• ENH Add Friedman's H-squared

  #28375 commented on Jul 1, 2025 • 0 new comments

• ENH add zero_division in balanced_accuracy_score

  #28038 commented on Jul 1, 2025 • 0 new comments

• FEA add stratified k-fold iterators for splitting multilabel data

  #26423 commented on Jul 1, 2025 • 0 new comments

• ENH add post fit calibration to HGBT

  #26311 commented on Jul 1, 2025 • 0 new comments

• FEA Implementation of "threshold-dependent metric per threshold value" curve

  #25639 commented on Jul 1, 2025 • 0 new comments

• ENH Add option `n_splits='walk_forward'` in `TimeSeriesSplit`

  #23780 commented on Jul 1, 2025 • 0 new comments

• ENH add Naive Bayes Metaestimator `ColumnwiseNB` (aka "GeneralNB")

  #22574 commented on Jul 1, 2025 • 0 new comments

• ENH Add `pos_label` parameter to `TargetEncoder`

  #27342 commented on Jul 2, 2025 • 0 new comments

• 'Section Navigation' bar missing from stable documentation website on several pages

  #30309 commented on Jul 2, 2025 • 0 new comments

• RFC/API (Array API) mixing devices and data types with estimators

  #26083 commented on Jul 2, 2025 • 0 new comments

• Routing metadata to the `response_method` used by a scorer

  #27977 commented on Jul 2, 2025 • 0 new comments

• Metadata not routed to transformers in pipeline during cross validation.

  #31659 commented on Jul 2, 2025 • 0 new comments

• enh: support aggregation/bagging functions other than mean

  #30986 commented on Jul 2, 2025 • 0 new comments

• Make more of the "tools" of scikit-learn Array API compatible

  #26024 commented on Jul 2, 2025 • 0 new comments

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

  #29802 commented on Jul 2, 2025 • 0 new comments

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

  #29909 commented on Jul 2, 2025 • 0 new comments

• ⚠️ CI failed on Ubuntu_Atlas.ubuntu_atlas (last failure: Feb 19, 2025) ⚠️

  #27846 commented on Jul 2, 2025 • 0 new comments

• Make `zero_division` parameter consistent in the different metric

  #29048 commented on Jul 1, 2025 • 0 new comments