https://github.com/twbs/bootstrap/issues/20631
Essentially they've stopped working on v3. I don't think they used the words "no longer supported", but that's kind of what has happened.
Essentially they've stopped working on v3. I don't think they used the words "no longer supported", but that's kind of what has happened.
> If you require IE8-9 support, use Bootstrap 3. It’s the most stable version of our code and is still supported by our team for critical bugfixes and documentation changes. However, no new features will be added to it.
[0] https://v4-alpha.getbootstrap.com/getting-started/browsers-d...