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OrdinalEncoder is not converting correctly when min_frequency is set

Status: Open.

#1215 In onnx/sklearn-onnx;

· chapman73 opened on Oct 14, 2025

ONNX from nearest_neighbors produces no distance effect when keep_distances=True

Status: Open.

#1214 In onnx/sklearn-onnx;

· yishiouchen opened on Oct 3, 2025

Make <code>_parse_sklearn</code> a public API for meta-estimator parsing

Status: Open.

#1213 In onnx/sklearn-onnx;

· khoover opened on Sep 25, 2025

Is imbalanced-learn supported?

Status: Open.

#1208 In onnx/sklearn-onnx;

· xrml opened on Aug 29, 2025

Integration with ONNX 1.19.0

Status: Open.

#1207 In onnx/sklearn-onnx;

· yuanyao-nv opened on Aug 4, 2025

Significant discrepancies between <code>HistGradientBoostingRegressor</code> scikit and ONNX output

Status: Open.

#1192 In onnx/sklearn-onnx;

· khoover opened on Jun 10, 2025

unable to use convert_sklearn for xgboost calibratedclassifier

Status: Open.

#1173 In onnx/sklearn-onnx;

· anyuzhang2024 opened on Mar 17, 2025

Decision path and Leaf index prediction for LightGBM

Status: Open.

#1162 In onnx/sklearn-onnx;

· akhiliyengar opened on Jan 29, 2025

TreeEnsembleRegressor/Classifier have been deprecated in favour of TreeEnsemble

Status: Open.

#1160 In onnx/sklearn-onnx;

· khoover opened on Jan 23, 2025

Input names are silently modified, leading to inputs mismatch during inference

Status: Open.

#1153 In onnx/sklearn-onnx;

· Pierre-Bartet opened on Jan 13, 2025

Missing converter for SplineTransformer

Status: Open.

#1152 In onnx/sklearn-onnx;

· masumhabib opened on Jan 12, 2025

Discrepancies between ONNX and sklearn probabilities with isotonic CalibratedClassifierCV

Status: Open.

#1151 In onnx/sklearn-onnx;

· cja-halfspace opened on Jan 7, 2025