However, any changes to F<pod/perldiag.pod> should go in the L</Diagnostics>
section.
-=head3 L<XXX>
+=head3 L<perlsec>
=over 4
=item *
-XXX Description of the change here
+A syntax error was fixed in one of illustrative examples.
=back
=item *
-XXX Describe change here
+The warnings for \b{ and \B{ were added in the 5.17 series; they are a
+deprecation warning which should be turned off by that category. One
+should not have to turn off regular regexp warnings as well to get rid
+of these.
=back
=item *
+Configure will honour the external C<MAILDOMAIN> environment variable, if set.
+
+=item *
+
Both C<META.yml> and C<META.json> files are now included in the distribution.
=back
=item *
-XXX
+Enable perl core tests to pass when locale support is not available.
+
+use L<locale> - this will now die if $Config{d_setlocale} is not true.
+All tests that use L<locale> will skip if $Config{d_setlocale} is not true.
+This enables us to pass tests on Android which uses ICU instead of locales.
=back
-DPERL_GLOBAL_STRUCT builds now free the global struct B<after>
they've finished using it.
+=item *
+
+A trailing '/' on a path in @INC will no longer have an additional '/' appended.
+
=back
=head1 Known Problems