[Fiber] Avoid duplicate debug info for array children#35733
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eps1lon merged 2 commits intofacebook:mainfrom Feb 9, 2026
Merged
[Fiber] Avoid duplicate debug info for array children#35733eps1lon merged 2 commits intofacebook:mainfrom
eps1lon merged 2 commits intofacebook:mainfrom
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unstubbable
approved these changes
Feb 9, 2026
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Summary
For children arrays we create a Fragment Fiber with the debug info. However, we pushed that debug info again when reconciling the children arrays which lead to duplicate Server Component parent stacks in React DevTools.
Now we just push once when we create the Fragment Fiber.
How did you test this change?