Sage Journal
Sage Journalis a newsletter about Sage.
Topics
New Features: It should present new functions and enhancements. Since this Journal started long after Sage started to exist, it could also be about "older" features, but they should be somewhat special to Sage.
Algorithms:
Teaching: Some article about using Sage for education - e.g. how to explain XY to a student, why useful.
Developer's Corner: Here are news from developers to developers, about internals, changes in a process, results from discussions about future issues, changes in the layout, internals, ...