[Bug]: Netlify doesn't use custom Next.js error page

[rettgerst]

Steps to reproduce

1. Create a Next.js custom error page in pages/_error.tsx
2. Deploy to Netlify
3. Open the deployed site
4. When an error occurs, Netlify returns a JSON-serialized error message as plaintext instead of the custom error page.

You can clone the repro repository and run npm run build && npm run start to see the intended behavior - Next.js renders the custom error page.

A link to a reproduction repository

https://github.com/rettgerst/netlify-error-repro

Plugin version

3.9.2

More information about your build

• I am building using the CLI
• I am building using file-based configuration (netlify.toml)

What OS are you using?

No response

Your netlify.toml file

No response

Relevant log output (or link to your logs)

https://app.netlify.com/sites/condescending-brown-669e11/deploys/619bbd24a20c2c2bb4419303

[ascorbic]

Hey. Can you confirm if this is still an issue in the release candidate? See the README for how to install version 4.

[rettgerst]

the release candidate works as expected, thank you! I also noticed that image loading is much faster than v3 as well.

[ascorbic]

Great! Thanks for checking