+The "Ho Ho Ho! SimGrid 4 beta is coming to town" release.
+ SimGrid 4 *may* be there by the next solstice.
+
+ * Convert almost all interesting MSG examples to S4U.
+ * New model: energy consumption due to the network.
+ * Major cleanups in the disk and storage subsystems.
+ * (+ further deprecate XBT, bug fixes and doc improvement)