Are Bootstrap 3 and Boostrap 4 - alpha versions currently backward compatible?
I try to substitute Bootstrap 3 by a new alpha version, but the result styles are broken. Am I doing something wrong or it is a common problem?
Bootstrap 3 is the most stable version of Bootstrap, and it is still supported by the team for critical bugfixes and documentation changes.
It's not possible to integrate both bootstrap3 and bootstrap 4 because of many classes of the bootstrap library with the same name. Save this answer. Show activity on this post. The best practice is to stick to particular bootstrap and use it Throughout your project.
You should know that there is still support to continue using Bootstrap 3, but due to some changes that arose in the structure of Bootstrap 4 over its previous version, it is better to start developing or migrating our applications to this incredible new version.
Bootstrap Versions The main differences between Bootstrap 5 and Bootstrap 3 & 4, is that Bootstrap 5 has switched to JavaScript instead of jQuery. Note: Bootstrap 3 and Bootstrap 4 is still supported by the team for critical bugfixes and documentation changes, and it is perfectly safe to continue to use them.
Bootstrap 4 is not backward compatible with Bootstrap 3. For more information see the official Guidance on how to upgrade from Bootstrap v3.x to v4.x.
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