> ## Documentation Index
> Fetch the complete documentation index at: https://arize-ax.mintlify.site/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# March 2025

> Our March releases

## Test online evaluation tasks in playground

March 24, 2025

Quickly debug and refine your prompts used by your online evaluators by loading them prefilled into prompt playground. [Learn more →](/docs/ax/evaluate/create-evaluators)

<Frame caption="Select&#x22;Test in Evaluator Playground&#x22; to test the evaluator before deploying it as a task.">
  <img src="https://storage.googleapis.com/arize-phoenix-assets/assets/images/arize-docs-images/7dd86c95-image.jpeg" />
</Frame>

## Select metadata on the sessions page

March 1, 2025

Dynamically select the fields you want to see in your sessions view.

<Frame>
  <iframe src="https://cdn.iframe.ly/ze5aQmF" width={1000} height={300} allowFullScreen allow="encrypted-media *;" />
</Frame>