javascript.builtins.Error.isError - No link to WebKit bug, also no note about Bun having the same webkit bug

[connorshea]

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?

Safari's note about a bug does not link to the WebKit bug tracker.

What browsers does this problem apply to, if applicable?

No response

What did you expect to see?

A link to the webkit bug tracker: https://bugs.webkit.org/show_bug.cgi?id=292727

Did you test this? If so, how?

No

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

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error/isError

Do you have anything more you want to share?

Bun also has this issue, and should be listed as partial support: oven-sh/bun#15821

MDN URL

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error/isError

MDN metadata

MDN page report details

• Query: javascript.builtins.Error.isError
• Report started: 2025-10-27T17:16:15.175Z