warn - enableUndici option is unnecessary in Node.js v18.0.0 or greater.

[BWBama85]

Verify canary release

• I verified that the issue exists in the latest Next.js canary release

Provide environment information

    Operating System:
      Platform: win32
      Arch: x64
      Version: Windows 10 Pro
    Binaries:
      Node: 18.12.0
      npm: N/A
      Yarn: N/A
      pnpm: N/A
    Relevant packages:
      next: 13.0.2-canary.2
      eslint-config-next: 13.0.1
      react: 18.2.0
      react-dom: 18.2.0

What browser are you using? (if relevant)

No response

How are you deploying your application? (if relevant)

No response

Describe the Bug

When running npm run dev I get:

warn - enableUndici option is unnecessary in Node.js v18.0.0 or greater.

My next.config.js:

/** @type {import('next').NextConfig} */
const nextConfig = {
  experimental: {
    appDir: true,
  },
};

module.exports = nextConfig;

Expected Behavior

Not to see this error message. I do not have this option in my config.

Link to reproduction

n/a

To Reproduce

[ijjk]

Hi this should be updated in v13.0.2 please update and give it a try!

[BWBama85]

Still seeing it.

    Operating System:
      Platform: win32
      Arch: x64
      Version: Windows 10 Pro
    Binaries:
      Node: 18.12.0
      npm: N/A
      Yarn: N/A
      pnpm: N/A
    Relevant packages:
      next: 13.0.2
      eslint-config-next: 13.0.2
      react: 18.2.0
      react-dom: 18.2.0

This time I do not get the warn immediately after starting, but while loading pages.

Initial start:

PS C:\Users\bamas\OneDrive\Documents\My Backups\Development\nodejs\thewilsonnet.com> npm run dev

> thewilsonnet.com@0.1.0 dev
> next dev

ready - started server on 0.0.0.0:3000, url: http://localhost:3000
warn  - You have enabled experimental feature (appDir) in next.config.js.
warn  - Experimental features are not covered by semver, and may cause unexpected or broken application behavior. Use at your own risk.
info  - Thank you for testing `appDir` please leave your feedback at https://nextjs.link/app-feedback

event - compiled client and server successfully in 665 ms (200 modules)

After loading a page:

PS C:\Users\bamas\OneDrive\Documents\My Backups\Development\nodejs\thewilsonnet.com> npm run dev

> thewilsonnet.com@0.1.0 dev
> next dev

ready - started server on 0.0.0.0:3000, url: http://localhost:3000
warn  - You have enabled experimental feature (appDir) in next.config.js.
warn  - Experimental features are not covered by semver, and may cause unexpected or broken application behavior. Use at your own risk.
info  - Thank you for testing `appDir` please leave your feedback at https://nextjs.link/app-feedback

event - compiled client and server successfully in 665 ms (200 modules)
wait  - compiling /about/resume/page (client and server)...
event - compiled client and server successfully in 904 ms (395 modules)
warn  - `enableUndici` option is unnecessary in Node.js v18.0.0 or greater.
wait  - compiling /page (client and server)...
warn  - `enableUndici` option is unnecessary in Node.js v18.0.0 or greater.
event - compiled client and server successfully in 388 ms (399 modules)
warn  - `enableUndici` option is unnecessary in Node.js v18.0.0 or greater.
warn  - `enableUndici` option is unnecessary in Node.js v18.0.0 or greater.

[zenflow]

I just upgraded to 13.0.2 (I had to do this because I just upgraded node from 16.x to 18.12.0 and needed the fix from #42382)

I am seeing the warnings during next build (it's mangled with the animated console output):

warn  - Linting is disabled
warn  - You have enabled experimental feature (appDir) in next.config.js.
warn  - Experimental features are not covered by semver, and may cause unexpected or broken application behavior. Use at your own risk.
info  - Thank you for testing `appDir` please leave your feedback at https://nextjs.link/app-feedback

info  - Creating an optimized production build
info  - Compiled successfully
info  - Checking validity of types .info  - VS Code settings.json has been updated for Next.js' automatic app types, this file can be added to .gitignore if desired
info  - Checking validity of types
info  - Collecting page data .warn  - `enableUndici` option is unnecessary in Node.js v18.0.0 or greater.
info  - Collecting page data
[=   ] info  - Generating static pages (0/3)warn  - `enableUndici` option is unnecessary in Node.js v18.0.0 or greater.
warn  - `enableUndici` option is unnecessary in Node.js v18.0.0 or greater.
[==  ] info  - Generating static pages (0/3)warn  - `enableUndici` option is unnecessary in Node.js v18.0.0 or greater.
info  - Generating static pages (3/3)
info  - Finalizing page optimization

[ooyay]

still getting same warn here

node 19.0.1
next 13.0.2

[zenflow]

@ooyay They fixed it in v13.0.3-canary.0

See https://github.com/vercel/next.js/releases/tag/v13.0.3-canary.0

You can use 13.0.3-canary.0 in your package.json or wait for the next official release (13.0.3)

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