nextjs - 💡(How to fix) Fix We are cleaning up async info that was not on the parent Suspense boundary. This is a bug in React. [1 comments, 2 participants]

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vercel/next.js#84902Fetched 2026-04-08 02:18:00
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Error Message

Got this error on client

Code Example

We are cleaning up async info that was not on the parent Suspense boundary. This is a bug in React.

Call Stack
56

removePreviousSuspendedBy
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:99853)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:120210)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
updateChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:116179)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119436)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
updateChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:116179)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119436)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
updateChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:116179)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119436)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
updateChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:116179)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119436)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
updateChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:116179)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119436)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
updateChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:116179)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119436)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
updateChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:116179)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119436)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
updateChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:116179)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119436)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
updateChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:116179)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119436)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
updateChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:116179)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119436)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
updateChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:116179)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119436)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
updateChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:116179)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119436)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
updateChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:116179)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119436)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
updateChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:116179)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119436)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
updateChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:116179)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119436)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
updateChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:116179)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119436)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
<unknown>
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:118826)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119025)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
updateChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:116179)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119436)

---

Operating System:
  Platform: darwin
  Arch: arm64
  Version: Darwin Kernel Version 25.0.0: Wed Sep 17 21:41:26 PDT 2025; root:xnu-12377.1.9~141/RELEASE_ARM64_T6041
  Available memory (MB): 49152
  Available CPU cores: 16
Binaries:
  Node: 22.14.0
  npm: 10.9.2
  Yarn: N/A
  pnpm: 10.18.3
Relevant Packages:
  next: 15.5.5 // Latest available version is detected (15.5.5).
  eslint-config-next: N/A
  react: 19.2.0
  react-dom: 19.2.0
  typescript: N/A
Next.js Config:
  output: N/A
RAW_BUFFERClick to expand / collapse

Link to the code that reproduces this issue

soon

To Reproduce

  1. Install next 16 beta or canary version
  2. Use suspense

Current vs. Expected behavior

Got this error on client

We are cleaning up async info that was not on the parent Suspense boundary. This is a bug in React.

Call Stack
56

removePreviousSuspendedBy
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:99853)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:120210)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
updateChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:116179)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119436)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
updateChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:116179)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119436)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
updateChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:116179)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119436)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
updateChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:116179)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119436)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
updateChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:116179)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119436)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
updateChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:116179)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119436)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
updateChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:116179)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119436)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
updateChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:116179)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119436)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
updateChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:116179)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119436)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
updateChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:116179)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119436)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
updateChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:116179)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119436)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
updateChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:116179)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119436)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
updateChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:116179)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119436)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
updateChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:116179)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119436)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
updateChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:116179)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119436)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
updateChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:116179)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119436)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
<unknown>
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:118826)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119025)
updateVirtualChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:115740)
updateChildrenRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:116179)
updateFiberRecursively
chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/installHook.js (1:119436)

It should worked

Provide environment information

Operating System:
  Platform: darwin
  Arch: arm64
  Version: Darwin Kernel Version 25.0.0: Wed Sep 17 21:41:26 PDT 2025; root:xnu-12377.1.9~141/RELEASE_ARM64_T6041
  Available memory (MB): 49152
  Available CPU cores: 16
Binaries:
  Node: 22.14.0
  npm: 10.9.2
  Yarn: N/A
  pnpm: 10.18.3
Relevant Packages:
  next: 15.5.5 // Latest available version is detected (15.5.5).
  eslint-config-next: N/A
  react: 19.2.0
  react-dom: 19.2.0
  typescript: N/A
Next.js Config:
  output: N/A

Which area(s) are affected? (Select all that apply)

Not sure

Which stage(s) are affected? (Select all that apply)

next dev (local)

Additional context

No response

extent analysis

TL;DR

The issue is likely related to a bug in React when using Suspense with Next.js, and a potential fix is to update or downgrade React and Next.js versions.

Guidance

  • Verify that the issue persists when disabling any recently installed Chrome extensions, as the error stack suggests a potential conflict with an extension.
  • Check the official React and Next.js documentation for any known issues or updates related to Suspense.
  • Consider downgrading React to a previous version (e.g., 18.x) to see if the issue is resolved, as the error message suggests a bug in React.
  • If possible, try reproducing the issue with a minimal example to isolate the cause.

Example

No specific code example can be provided without more context, but creating a minimal reproduction of the issue may help identify the cause.

Notes

The provided environment information and package versions may be relevant to the issue, but without more context, it's difficult to pinpoint the exact cause. The fact that the issue occurs with Next.js 16 beta or canary version and React 19.2.0 suggests that it may be related to a specific version or configuration.

Recommendation

Apply a workaround by downgrading React to a previous version (e.g., 18.x) or updating Next.js to a stable version, as the issue seems to be related to a bug in React when using Suspense with Next.js.

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nextjs - 💡(How to fix) Fix We are cleaning up async info that was not on the parent Suspense boundary. This is a bug in React. [1 comments, 2 participants]