The news around the responsive web design world is that Bootstrap version 4 is now in development and they are making it even better. They have modified and enhanced the breakpoints to make it easier for more mobile devices to use our websites. Web designers around the world need that. They call them “Sassy Media Queries”, because as you can guess, they use Sass in their media queries, as per the title of this news item.
We patiently await this new improved version as web designers everywhere continue to work with Bootstrap 3.
You can visit the page at http://saddamazad.com/2015/12/bootstrap-4-media-queries-using-sass/ to learn more about the project and see the dependencies in motion. There is a whole page on usage here as well.