| ⇢ | A | FeatureUnion added |
| ⇢ | B | FeatureUnion::transformSamples() added | |
| ⇢ | A | FeatureUnion::fit() added | |
| ⇢ | A | FeatureUnion::__construct() added | |
| ⇢ | A | FeatureUnion::transform() added | |
| ⇢ | A | FeatureUnion::fitAndTransform() added | |
| ⇢ | A | Pipeline::fit() added | |
| ⇢ | A | Pipeline::transform() added | |
| A | ↛ | Pipeline::addTransformer() removed | |
| A | ↛ | Pipeline::setEstimator() removed | |
| A | ↛ | Pipeline::transformSamples() removed |