React 19 + Bootstrap 4 = findDOMNode is not a function

[stanleyume]

Prerequisites

• I am using the correct version of React-Bootstrap for my version of Bootstrap
• I have searched for duplicate or closed issues
• I have read the contributing guidelines

Describe the bug

"react-bootstrap": "^1.6.8",
"bootstrap": "^4.6.2",
"react": "19.1.1",

We just upgraded React from 18 to 19, and now react-bootstrap is broken.

findDOMNode, which was deprecated in React 18 is now removed in React 19.

I saw that this issue was fixed in react-bootstrap v2 which was made for Bootstrap 5, but we cannot upgrade to bootstrap 5 right now, unfortunately.

Do we also have a fix for react-bootstrap v1? Or what would you suggest?
Thank you 🙏

Expected behavior

No response

To Reproduce

No response

Reproducible Example

https://codesandbox.io/p/sandbox/nostalgic-water-gjqkyj

Screenshots

What operating system(s) are you seeing the problem on?

macOS

What browser(s) are you seeing the problem on?

Chrome

What version of React-Bootstrap are you using?

1.6.8

What version of Bootstrap are you using?

4.6.2

Additional context

No response

[kyletsang]

Unfortunately v1 is no longer being worked on. If you don't need react 19 features, it's perfectly fine to stay on 18. Alternatively, you can try copying the component source code from the latest branch and tweaking it to work for any bootstrap 4 related feature.