This is a Bootstrap 4 implementation for Digital Experience Manager. This version is a draft based on the beta 3 version of Bootstrap 4. This is an unsupported version, also not compliant with the official bootstrap 3 version.
Update to v4.0.0-beta.3
Please read the full doc on the bootstrap4-component page
And here are some videos (in French with English subtitles) about how to install a Jahia DX to work with the Bootstrap 4 modules and to use all components: https://www.youtube.com/playlist?list=PLqvxx55Om13GwusvlYSmH-O2xu1TSQnUv