The SUSE office in Nuremberg, Germany, had a special presentation given by Dominique Leuenberger, last week about the interconnecting points of the openSUSE project.
Specifically, Leuenberger covered the integration process of Tumbleweed and Leap and explained the difference between the two.
Full article and video on the link below…
https://news.opensuse.org/2015/08/28/integration-process-for-opensuse-tumbleweed-leap-explained-2/