+ _ _____ _ _ _
+__ _____ _ __ ___(_) ___ _ __ |___ / / | || |
+\ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ | | || |_
+ \ V / __/ | \__ \ | (_) | | | | ___) || |__ _|
+ \_/ \___|_| |___/_|\___/|_| |_| |____(_)_| |_|
+
+The Chrismas Pi Release.
+
+ * Documentation reorganized and improved
+
+ * S4U interface further rising, toward SimGrid 4
+ - Routing code rewritten for readability
+ - Virtual Machines almost turned into a plugin
+ - MSG, SimDag, MPI interfaces mostly unchanged