Things to add to the release notes for the next full release:
-Backward incompatibilities:
+------------
+NEW FEATURES
+------------
+
+- All nmh programs will now warn about multiple profile entries for the
+ same component. In previous versions, all but the first were
+ silently ignored.
+
+----------------------------
+OBSOLETE/DEPRECATED FEATURES
+----------------------------
+
- Changed exit status of each nmh command's -version and -help
switches from 1 to 0.
- The following environment variables were deprecated in nmh 1.5