• Support non ascii characters in variable names (#784)
• Add option class_output_labels to expose class labels for a classifier (#776)
• Fix issue while converting graph with operator If (#781)
• Implements option zipmap for MultiOutputClassifier (#775)
• Modify tfidf_transformer to enable custom vocabulary and approximate sublinear-tf scaling without sparse containers (#777) (@adam444555)
• Enable RandomForestClassifier in converter for CalibrationClassifierCV (#772)