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+=encoding utf8
+
+=head1 NAME
+
+perl5210delta - what is new for perl v5.21.0
+
+=head1 DESCRIPTION
+
+This document describes differences between the 5.21.0 release and the 5.20.0
+release.
+
+=head1 Modules and Pragmata
+
+=head2 Updated Modules and Pragmata
+
+=over 4
+
+=item *
+
+L<feature> has been upgraded from version 1.36 to 1.37.
+
+=item *
+
+L<Module::CoreList> has been upgraded from version 3.10 to 5.021001.
+
+=back
+
+=head2 Removed Modules and Pragmata
+
+=over 4
+
+=item *
+
+L<CGI> has been removed from the core.  It is still available on the CPAN.
+
+=item *
+
+L<Module::Build> has been removed from the core.  It is still available on the
+CPAN.
+
+=item *
+
+L<Package::Constants> has been removed from the core.  It is still available on
+the CPAN.
+
+=back
+
+=head1 Acknowledgements
+
+Perl 5.21.0 represents approximately 12 hours of development since Perl 5.20.0
+and contains approximately 44,000 lines of changes across 190 files from 1
+author.
+
+Excluding auto-generated files, documentation and release tools, there were
+approximately 33,000 lines of changes to 140 .pm, .t, .c and .h files.
+
+Perl continues to flourish into its third decade thanks to a vibrant community
+of users and developers. The following people are known to have contributed the
+improvements that became Perl 5.21.0:
+
+Nicholas Clark, Ricardo Signes.
+
+For a more complete list of all of Perl's historical contributors, please see
+the F<AUTHORS> file in the Perl source distribution.
+
+=head1 Reporting Bugs
+
+If you find what you think is a bug, you might check the articles recently
+posted to the comp.lang.perl.misc newsgroup and the perl bug database at
+https://rt.perl.org/ .  There may also be information at
+http://www.perl.org/ , the Perl Home Page.
+
+If you believe you have an unreported bug, please run the L<perlbug> program
+included with your release.  Be sure to trim your bug down to a tiny but
+sufficient test case.  Your bug report, along with the output of C<perl -V>,
+will be sent off to perlbug@perl.org to be analysed by the Perl porting team.
+
+If the bug you are reporting has security implications, which make it
+inappropriate to send to a publicly archived mailing list, then please send it
+to perl5-security-report@perl.org.  This points to a closed subscription
+unarchived mailing list, which includes all the core committers, who will be
+able to help assess the impact of issues, figure out a resolution, and help
+co-ordinate the release of patches to mitigate or fix the problem across all
+platforms on which Perl is supported.  Please only use this address for
+security issues in the Perl core, not for modules independently distributed on
+CPAN.
+
+=head1 SEE ALSO
+
+The F<Changes> file for an explanation of how to view exhaustive details on
+what changed.
+
+The F<INSTALL> file for how to build Perl.
+
+The F<README> file for general stuff.
+
+The F<Artistic> and F<Copying> files for copyright information.
+
+=cut