Joomla 4 alpha 1 was released on 17 November 2017 with huge updates and major developments to improve user experience (UI), code quality and giving Joomla! large functionality improvements with limited backward compatibility breaks. Let’s do feature comparison between Joomla 4 and Joomla 3.

15 new things that are worth taking note for Joomla 4

1. Bootstrap 2 vs. Bootstrap 4

Bootstrap is the most popular HTML, CSS, and JS framework for building responsive, mobile-first websites.

Joomla 3 integrated Bootstrap 2 that is outdated. Joomla 4 will keep up-to-date with Bootstrap, it integrates Bootstrap 4 that is a major rewrite of the entire project to help build responsive website faster and easier.