Florent Aide and Christophe de Vienne presented Xbus 3 during the 2018 RMLL (Rencontres Mondiales du Logiciel Libre).
Xbus is discussed in detail during this presentation which took place on July 9th of 2018 at Strasbourg (France). The two speakers present:
Xbus role and characteristics
Examples of how to manage Xbus
Various Xbus use cases
Reasons and aims of Xbus creation
Upcoming features
The full conference can be watched here:
You can also take a look at the presentation material available here.