Maximum Call stack exceeded with NextJS 15. Works on 14

[Brandawg93]

Link to the code that reproduces this issue

https://github.com/Brandawg93/PeaNUT

To Reproduce

1. pnpm i
2. npm run dev

Current vs. Expected behavior

I expect to be able to start the development server.

Provide environment information

Operating System:
  Platform: darwin
  Arch: arm64
  Version: Darwin Kernel Version 24.1.0: Thu Oct 10 21:03:15 PDT 2024; root:xnu-11215.41.3~2/RELEASE_ARM64_T6000
  Available memory (MB): 16384
  Available CPU cores: 8
Binaries:
  Node: 22.11.0
  npm: 8.11.0
  Yarn: N/A
  pnpm: 9.12.3
Relevant Packages:
  next: 15.0.2 // Latest available version is detected (15.0.2).
  eslint-config-next: N/A
  react: 18.3.1
  react-dom: 18.3.1
  typescript: 5.5.4
Next.js Config:
  output: standalone

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

Developer Experience, Turbopack, Webpack

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

next dev (local)

Additional context

This happens with both Webpack and Turbopack. Also happens on GitHub builds. NextJS 15 does not work. NextJS 14 works. NextJS 15 actually worked until about a week ago. Here is the stack trace:

[1] [WebServer]  ⨯ node_modules/.pnpm/[email protected]/node_modules/deepmerge/dist/cjs.js (86:1) @ eval
[1] [WebServer]  ⨯ RangeError: Maximum call stack size exceeded
[1] [WebServer]     at Array.forEach (<anonymous>)
[1] [WebServer]     at Array.forEach (<anonymous>)
[1] [WebServer]     at Array.forEach (<anonymous>)
[1] [WebServer]     at Array.forEach (<anonymous>)
[1] [WebServer]     at Array.forEach (<anonymous>)
[1] [WebServer]     at Array.forEach (<anonymous>)
[1] [WebServer]     at Array.forEach (<anonymous>)
[1] [WebServer]     at Array.forEach (<anonymous>)
[1] [WebServer]     at Array.forEach (<anonymous>)
[1] [WebServer]     at Array.forEach (<anonymous>)
[1] [WebServer] digest: "4125755549"
[1] [WebServer]   84 | 		});
[1] [WebServer]   85 | 	}
[1] [WebServer] > 86 | 	getKeys(source).forEach(function(key) {
[1] [WebServer]      | ^
[1] [WebServer]   87 | 		if (propertyIsUnsafe(target, key)) {
[1] [WebServer]   88 | 			return
[1] [WebServer]   89 | 		}

https://github.com/Brandawg93/PeaNUT/actions/runs/11692817929/job/32563010887

[Brandawg93]

This is an issue with Material Tailwind.

[Bushuo]

creativetimofficial/material-tailwind#840
For a quick fix

[github-actions]

This closed issue has been automatically locked because it had no new activity for 2 weeks. If you are running into a similar issue, please create a new issue with the steps to reproduce. Thank you.