+S4U:
+- Actor: Merge signals on_migration_start/end into on_host_change
+- Actor: Rename migrate() into set_host()
+
+XML:
+- Parse errors now raise a simgrid::ParseError that you may want to catch.
+
+Kernel:
+- In simgrid::kernel::resource::Model, the methods next_occuring_event*() have
+ been renamed to fix a spelling error. As usual, the previous definitions are
+ kept with a deprecation warning. However, to avoid runtime errors, it is now
+ forbidden to override these deprecated methods in a derived class. Please use
+ the new names immediately if you need to override them.
+
+XBT:
+- Remove unused parameter 'free_ctn' for xbt_dict_set() and xbt_dict_set_ext().
+- New module: random, providing classical random numbers generators.
+