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# 6.167.0

## **What's New? 💡** <a href="#whats-new" id="whats-new"></a>

### **Data Studio** <a href="#data-studio" id="data-studio"></a>

* ML-assisted Labeling Batch API — Improved performance when processing large span labeling jobs.

## **Bug Fixes 🐞**

### **Data Studio** <a href="#data-studio" id="data-studio"></a>

* Fixed an issue in Project Creation Wizard preview where label attribute values were missing when using a file transformer or Datasaur schema.
* Fixed an issue in Span Labeling where using synchronized scrolling could unexpectedly fail and display an error message.
* Fixed an issue where applying labels using checkboxes may cause duplicated labels of the same class.
* Fixed an issue where inactive text questions could still block row and document labeling submissions.
* Fixed an issue in Span Labeling Evaluation Analytics where the confusion matrix did not show results for arrow labels in the second label set.