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javascript.builtins.Intl.Locale.getWeekInfo - minimaldays not available in Node 25 #28703

@GMartigny

Description

@GMartigny

What type of issue is this?

Incorrect support data (example: BrowserX says "86" but support was added in "40")

What information was incorrect, unhelpful, or incomplete?

The minimaldays prop is described as available since Node.js@18.0.0, but as of Node.js@25.2.1, it is still not available.

What browsers does this problem apply to, if applicable?

No response

What did you expect to see?

The minimaldays should not be described as available in Node.js

Did you test this? If so, how?

nvm install 25
node -v => 25.2.1
echo "new Intl.Locale('en').getWeekInfo()" > test.js
node test.js => { firstDay: 7, weekend: [ 6, 7 ] }

Can you link to any release notes, bugs, pull requests, or MDN pages related to this?

No response

Do you have anything more you want to share?

No response

MDN URL

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/Locale/getWeekInfo

MDN metadata

MDN page report details
  • Query: javascript.builtins.Intl.Locale.getWeekInfo
  • Report started: 2025-12-18T16:31:28.033Z

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p2High priority – Community PRs highly encouraged.

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