These are the notable changes Has more colors and improvised color palette jQuery is not included and is not required any more, still everything works. Isn’t that good? No IE support. (at last….) Updated form components Customization support for checkbox, radio, switches Utilities API – The utility API is a Sass based tool to generate utility classes. New xxl breakpoint New gutters class Bootstrap icons – Bootstrap now has its own icons – the SVG icons. Check it out here https://v5.getbootstrap.com/ Please note that since its a alpha version there might be breaking changes in next release.