> ## Documentation Index
> Fetch the complete documentation index at: https://arizeai-433a7140.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# 08.22.2025: New Trace Timeline View

> Available in Phoenix 11.26+

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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.

<Card title="feat(tracing): timeline view by mikeldking · Pull Request #9186 · Arize-ai/phoenix" icon="github" href="https://github.com/Arize-ai/phoenix/pull/9186" horizontal>
  GitHub
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