That's not accurate on breaking changes, there will be additional ones in the future: > We’ve done our best to prevent breaking changes, but we had to sneak so

That's not accurate on breaking changes, there will be additional ones in the future: > We’ve done our best to prevent breaking changes, but we had to sneak some in. Regrettably, we’ll also have a few more coming in Beta 3, too. However, we’re clearly outlining all of them for you to make the upgrade and testing process as easy as possible. Source: https://blog.getbootstrap.com/2017/10/19/bootstrap-4-beta-2/ https://blog.getbootstrap.com/2017/10/19/bootstrap-4-beta-2/