Moved the single known-failing example to the errata page.
Internally, Perl now treates compiled regular expressions (such as
those created with C<qr//>) as first class entities. Perl modules which
serialize, deserialize or otherwise have deep interaction with Perl's
-internal data structures need to be updated for this change. Affected
-modules include L<FreezeThaw>,L<Data::Dump::Streamer> and L<Regexp::Copy>.
-
+internal data structures need to be updated for this change. Most
+affected CPAN modules have already been updated as of this writing.
=head2 Switch statement changes