Bootstrap v4.0.0-alpha.2 implemtaion Following a list of Bootstrap 4 integration based on the Bootstrap 4 documentation
Page
Section
Status
introduction
done / check
Download
done / check
Browsers and devices
ToDo
Options
Flexbox
Build tools
done / check
Page
Section
Status
Overview
done / check
Grid system
ToDo: integration in special grid elements like 2 column grid
Media object
* no responsive support - no integration in Theme Boostrap 4*
Responsive utilities
done / check
Page
Section
Status
Reboot
ToDo
Typography
Global settings
Headings
done / check
Customizing headings
Display headings
RTE done, maybe also as variant
Lead
done / check
Inline text elements
Abbreviations
Blockquotes
Naming a source
Reverse layout
Lists / Unstyled
Lists / Inline
Horizontal description
Responsive typography
Code
Images
Tables
Figures
* base done with fluid styled content, ice to have: figure-caption with class option: text-xs-right *
Page
Section
Status
...
Utility classes
Spacing
Text alignment
done / check
Text transform
done / check
Font weight and italics
Contextual colors and backgrounds
done / check
Close icon
Responsive floats
Center content
Invisible content
Screen readers and keyboard users
done by variants / check
Image replacement
Responsive embeds
done by FluidStyledContent / check
...
Also note the information in the comments (ToDo)
Check licence in contrib-folder