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Support input data in <code>bfloat16</code> format

Status: Open.

Feature

#3015 In catboost/catboost;

· andrey-khropov opened on Jan 23, 2026

Support Spark Connect

Spark

Status: Open.

Feature

#3014 In catboost/catboost;

· andrey-khropov opened on Jan 22, 2026

Improve support for input data in <code>numpy.float16</code> format

performance

python

Status: Open.

Task

#3013 In catboost/catboost;

· andrey-khropov opened on Jan 22, 2026

[scikit-learn compatibility] <code>CatBoostEstimator</code> class - as <code>CatBoost</code> but with fully compatible API

python

sklearn_compatibility

Status: Open.

Feature

#3006 In catboost/catboost;

· andrey-khropov opened on Jan 11, 2026

fitting with <code>sample_weight</code> is not equivalent to fitting with removed or repeated data points

sklearn_compatibility

Status: Open.

Bug

#3005 In catboost/catboost;

· andrey-khropov opened on Jan 10, 2026

[scikit-learn compatibility] <code>n_features_in_</code> must not be defined until <code>fit</code> is called

python

sklearn_compatibility

Status: Open.

Bug

#3004 In catboost/catboost;

· andrey-khropov opened on Jan 10, 2026

[scikit-learn compatibility] estimators' <code>fit</code>: If X contains only a single sample raise <code>ValueError</code> mentioning 'sample'

python

sklearn_compatibility

Status: Open.

#3003 In catboost/catboost;

· andrey-khropov opened on Jan 10, 2026

[scikit-learn compatibility] Raise <code>NotFittedError</code> on errors when estimator is expected to be fitted for scikit-learn estimator API functions

python

sklearn_compatibility

Status: Open.

Task

#3002 In catboost/catboost;

· andrey-khropov opened on Jan 9, 2026

Support <code>scipy.sparse</code> sparse arrays

python

sklearn_compatibility

Status: Open.

Feature

#3000 In catboost/catboost;

· andrey-khropov opened on Jan 9, 2026

[scikit-learn compatibility] Raise <code>TypeError</code> on type-related errors in input data for scikit-learn estimator API functions

python

sklearn_compatibility

Status: Open.

Task

#2998 In catboost/catboost;

· andrey-khropov opened on Jan 9, 2026

[scikit-learn compatibility] Estimators: Do not raise exceptions in <code>__init__</code> and <code>set_params</code>

python

sklearn_compatibility

Status: Open.

Task

#2997 In catboost/catboost;

· andrey-khropov opened on Jan 9, 2026

[scikit-learn compatibility] Raise <code>ValueError</code> on errors in input data for scikit-learn estimator API functions

python

sklearn_compatibility

Status: Open.

Task

#2996 In catboost/catboost;

· andrey-khropov opened on Jan 9, 2026