ReleaseNotes in sup-0.15.4 vs ReleaseNotes in sup-0.16.0

@@ -1,4 +1,14 @@
+Release 0.16.0:
+
+Removed unfinished and abandoned sup-sync-back-mbox.
+
+Safer mime-view attachment file name handling, a temp file name is used
+while the extension is only used if it is alphanumeric.
+
+The migration script for YAML documents is now deprecated for ruby > 2.1
+and will be removed in the future.
+
 Release 0.15.4:
 
 Bugfixes.
 
 Release 0.15.3: