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fix(devtools): update profiling links to react.dev#36095

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MorikawaSouma wants to merge 1 commit intofacebook:mainfrom
MorikawaSouma:fix/update-profiling-links-to-react-dev
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fix(devtools): update profiling links to react.dev#36095
MorikawaSouma wants to merge 1 commit intofacebook:mainfrom
MorikawaSouma:fix/update-profiling-links-to-react-dev

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Summary

This PR updates the profiling documentation links in React DevTools to point to the current react.dev domain instead of the legacy reactjs.org links.

Problem

The profiling error messages in DevTools displayed links pointing to fb.me/react-devtools-profiling which redirects to the old reactjs.org site. This site now shows a banner stating "This site is no longer updated. Go to react.dev".

This creates a poor user experience for developers trying to learn about React profiling.

Issue: Fixes #31878

Solution

Updated all profiling-related links in DevTools to point to https://react.dev/reference/profiler:

  1. ProfilingNotSupported.js - Error message when profiling is not supported
  2. NoProfilingData.js - "Learn more" link in profiling UI
  3. TimelineNotSupported.js - Timeline profiler error message

Testing

  • ✅ Verified the new URL points to valid React Profiler documentation
  • ✅ No code changes, only documentation link updates
  • ✅ Follows existing link pattern used in TimelineNotSupported.js (already uses react.dev links)

Before

href="https://fb.me/react-devtools-profiling"

After

href="https://react.dev/reference/profiler"

This is a documentation-only change with no functional impact on the codebase.

The profiling documentation links in DevTools were pointing to the
legacy reactjs.org domain via fb.me short URLs. Updated all references
to point to the current react.dev documentation.

Fixes facebook#31878

Changed:
- ProfilingNotSupported.js: fb.me/react-devtools-profiling → react.dev/reference/profiler
- NoProfilingData.js: fb.me/react-devtools-profiling → react.dev/reference/profiler
- TimelineNotSupported.js: fb.me/react-devtools-profiling → react.dev/reference/profiler

The old reactjs.org/link/profiling URL redirects to an outdated site
that displays a banner stating it's no longer updated.
@meta-cla meta-cla bot added the CLA Signed label Mar 19, 2026
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[DevTools Bug]: Profiling not supported error points to stale documentation link.

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