> ## Documentation index
> Fetch the complete documentation index at: https://arize.com/llms.txt
> Ask it with GET https://arize.com/ask?q=<keywords or question>. Short keywords rank best.
> Use these to discover all available pages before exploring further.

# 08.22.2025: New Trace Timeline View

> Available in Phoenix 11.26+

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<iframe src="https://cdn.iframe.ly/LncZbISK" className="aspect-video" autoplay allowfullscreen="" allow="encrypted-media *;"></iframe>
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Easily spot timing bottlenecks with the new trace timeline visualization. This view helps you understand execution order and duration across spans, making performance analysis more intuitive.