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nextjs - 💡(How to fix) Fix Upgrading Next.js 16.0.1 to 16.0.7 causes VSCode Next.js fullstack debugger to stop working. [1 participants]

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vercel/next.js#86964•Fetched 2026-04-08 02:08:12
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Author
safwanmasariksafwanmasarik
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Code Example

Operating System:
  Platform: win32
  Arch: x64
  Version: Windows 11 Home Single Language
  Available memory (MB): 23963
  Available CPU cores: 16
Binaries:
  Node: 22.15.0
  npm: 11.6.1
  Yarn: N/A
  pnpm: 10.10.0
Relevant Packages:
  next: 16.0.8 // Latest available version is detected (16.0.8).
  eslint-config-next: N/A
  react: 19.2.1
  react-dom: 19.2.1
  typescript: 5.9.3
Next.js Config:
  output: N/A
RAW_BUFFERClick to expand / collapse

Link to the code that reproduces this issue

https://github.com/safwanmasarik/nextjs-issue-16.0.7

To Reproduce

  1. npm install
  2. Launch the app with VSCode
  3. Start run debugging mode: "Next.js: Debug full stack", or press F5
  4. Not able to launch debug mode:
<img width="1216" height="672" alt="Image" src="https://github.com/user-attachments/assets/74bef0a0-3902-4fe8-87fd-e1cadcce3c15" />

Current vs. Expected behavior

Not able to launch debug mode: <img width="1216" height="672" alt="Image" src="https://github.com/user-attachments/assets/74bef0a0-3902-4fe8-87fd-e1cadcce3c15" />

Provide environment information

Operating System:
  Platform: win32
  Arch: x64
  Version: Windows 11 Home Single Language
  Available memory (MB): 23963
  Available CPU cores: 16
Binaries:
  Node: 22.15.0
  npm: 11.6.1
  Yarn: N/A
  pnpm: 10.10.0
Relevant Packages:
  next: 16.0.8 // Latest available version is detected (16.0.8).
  eslint-config-next: N/A
  react: 19.2.1
  react-dom: 19.2.1
  typescript: 5.9.3
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)

Other (Deployed)

Additional context

I tested and the full stack debugger mode in VSCode is working fine in v16.0.1 . Issue started since upgrading to v16.0.7. Similar issue in v16.0.8.

extent analysis

TL;DR

Downgrade Next.js to version 16.0.1 to potentially resolve the debugging mode issue.

Guidance

  • Verify that the issue is specific to Next.js versions 16.0.7 and 16.0.8 by testing with other versions.
  • Check the VSCode debugger configuration to ensure it is compatible with the Next.js version being used.
  • Test the debugging mode with a minimal Next.js project to isolate the issue.
  • Review the release notes for Next.js versions 16.0.7 and 16.0.8 to see if there are any known issues or changes that could be causing the problem.

Example

No code snippet is provided as the issue seems to be related to the Next.js version and VSCode configuration.

Notes

The issue may be specific to the combination of Next.js version and VSCode configuration, so testing with different versions and configurations is necessary to isolate the problem.

Recommendation

Apply workaround: Downgrade to Next.js version 16.0.1, as it has been confirmed to work with the full stack debugger mode in VSCode. This is a temporary solution until the issue is resolved in a future version of Next.js.

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nextjs - 💡(How to fix) Fix Upgrading Next.js 16.0.1 to 16.0.7 causes VSCode Next.js fullstack debugger to stop working. [1 participants]