command line, or add `#:warnings '(arity-mismatch)' to your `compile'
or `compile-file' invocation.
+** Guile is now built without `-Werror' by default
+
+Use the `--enable-error-on-warning' configure option to enable it.
+
** And of course, the usual collection of bugfixes
Interested users should see the ChangeLog for more information.