Things to add to the release notes for the next full release:
-- Switched to buffered output when performing TLS encryption in the SMTP
- MTA to increase performance.
-- mh-e support has been changed so that it is always compiled into nmh;
- old features that were previously enabled by the MHE option have been
- garbage collected.
+Backward incompatibilities:
+- 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
+ and are removed from this release:
+ MHPOPDEBUG (use -snoop command line switch instead)
+ MM_NOASK (use -nolist and -nopause command line switches instead)
+ NOMHNPROC (use -nocheckmime command line switch instead)
+ FACEPROC (undocumented faceproc feature removed)