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catboost v0.15.2 Release Notes

Release Date: 2019-06-28 // almost 5 years ago

  • 💥 Breaking changes:

    • 🔋 Function get_feature_statistics is replaced by calc_feature_statistics
    • Scoring function Correlation is renamed to Cosine
    • Parameter efb_max_conflict_fraction is renamed to sparse_features_conflict_fraction

    🆕 New features:

    • Models can be saved in PMML format now.

    Note: PMML does not have full categorical features support, so to have the model in PMML format for datasets with categorical features you need to use set one_hot_max_size parameter to some large value, so that all categorical features are one-hot encoded

    • 🔋 Feature names can be used to specify ignored features

    🐛 Bug fixes, including:

    • 🛠 Fixed restarting of CV on GPU for datasets without categorical features
    • 🛠 Fixed learning continuation errors with changed dataset (#879) and with model loaded from file (#884)
    • 🛠 Fixed NativeLib for JDK 9+ (PR #857)