# 6.158.0
April 30, 2026
## **What's New? 💡**
### **Data Studio**
* [Audio Labeling](broken://spaces/-MbjXHclk9fELydcAslG/pages/TlNW0cHTY576fgCHArZa#multi-channel-audio) — Added support for multi-channel audio, enabling users to work with audio containing multiple channels.
* ML Assisted Labeling — Implemented infinite scroll for the prediction list in a row-based project, optimizing performance and preventing memory issues when working with large datasets.
## **Bug Fixes 🐞**
### **Data Studio**
* Fixed an issue in Project Analytics and Project Report where the total time spent was displayed incorrectly due to a rounding error across labeler and reviewer activities.
### **LLM Labs**
* Fixed an issue in Deployed Application where the Knowledge Base became unassigned after using the "Open in Sandbox" feature.
* Fixed an issue in Knowledge Base where the file filter behavior in Preview mode was inconsistent with non-preview mode.
* Fixed an issue in Automated Evaluation where the evaluation score displayed as 0 and an "Unexpected error in evaluation" message appeared after the process completed.
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