compatibility issue with next 16

[gengjiawen]

What is the problem?

won't build

Paste all your error logs here:

yarn run v1.22.22
$ blitz build
Loaded env from /private/tmp/blitz_3/.env.local
Loaded env from /private/tmp/blitz_3/.env
{
  "errno": -2,
  "code": "ENOENT",
  "syscall": "open",
  "path": "/private/tmp/blitz_3/node_modules/.pnpm/next@16.0.0-beta.0_@babel+core@7.28.4_react-dom@19.2.0_react@19.2.0__react@19.2.0/node_modules/next/dist/client/on-recoverable-error.js"
}
✔ Routes manifest was successfully generated
 ⚠ Invalid next.config.js options detected: 
 ⚠     Unrecognized key(s) in object: 'turbo' at "experimental"
 ⚠ See more info here: https://nextjs.org/docs/messages/invalid-next-config
 ⚠ `experimental.typedRoutes` has been moved to `typedRoutes`. Please update your next.config.js file accordingly.
   ▲ Next.js 16.0.0-beta.0 (Turbopack)
   - Environments: .env.local, .env
   - Experiments (use with caution):
     ? turbo (invalid experimental key)
     ✓ typedRoutes

   Creating an optimized production build ...

> Build error occurred
Error: Turbopack build failed with 14 errors:
./node_modules/.pnpm/cross-spawn@7.0.3/node_modules/cross-spawn/index.js:3:12
Module not found: Can't resolve 'child_process'
  1 | 'use strict';
  2 |
> 3 | const cp = require('child_process');
    |            ^^^^^^^^^^^^^^^^^^^^^^^^
  4 | const parse = require('./lib/parse');
  5 | const enoent = require('./lib/enoent');

Paste all relevant code snippets here:

PASTE_HERE (leave the ``` marks)

What are detailed steps to reproduce this?

1. create a new blitz project and update to next 16 npx @next/codemod@canary upgrade beta

Run blitz -v and paste the output here:

Blitz version: 3.0.2 (local)
macOS Sequoia | darwin-x64 | Node: v22.20.0


 Package manager: pnpm

  System:
    OS: macOS 15.7.1
    CPU: (16) x64 Intel(R) Core(TM) i9-9900K CPU @ 3.60GHz
    Memory: 69.22 MB / 32.00 GB
    Shell: 4.1.2 - /usr/local/bin/fish
  Binaries:
    Node: 22.20.0 - /usr/local/bin/node
    Yarn: 1.22.22 - ~/Library/pnpm/yarn
    npm: 10.9.3 - /usr/local/bin/npm
  npmPackages:
    @blitzjs/auth: 3.0.2 => 3.0.2 
    @blitzjs/next: 3.0.2 => 3.0.2 
    @blitzjs/rpc: 3.0.2 => 3.0.2 
    @prisma/client: 5.4.2 => 5.4.2 
    blitz: 3.0.2 => 3.0.2 
    next: 16.0.0-beta.0 => 16.0.0-beta.0 
    prisma: 5.4.2 => 5.4.2 
    react: 19.2.0 => 19.2.0 
    react-dom: 19.2.0 => 19.2.0 
    typescript: ^5 => 5.9.3 

Please include below any other applicable logs and screenshots that show your problem:

No response