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database/perl/lib/pods/perl5301delta.pod

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+=encoding utf8
+
+=head1 NAME
+
+perl5301delta - what is new for perl v5.30.1
+
+=head1 DESCRIPTION
+
+This document describes differences between the 5.30.0 release and the 5.30.1
+release.
+
+If you are upgrading from an earlier release such as 5.29.0, first read
+L<perl5300delta>, which describes differences between 5.29.0 and 5.30.0.
+
+=head1 Incompatible Changes
+
+There are no changes intentionally incompatible with 5.30.1.  If any exist,
+they are bugs, and we request that you submit a report.  See
+L</Reporting Bugs> below.
+
+=head1 Modules and Pragmata
+
+=head2 Updated Modules and Pragmata
+
+=over 4
+
+=item *
+
+L<Module::CoreList> has been upgraded from version 5.20190522 to 5.20191110.
+
+=back
+
+=head1 Documentation
+
+=head2 Changes to Existing Documentation
+
+We have attempted to update the documentation to reflect the changes listed in
+this document.  If you find any we have missed, send email to
+L<perlbug@perl.org|mailto:perlbug@perl.org>.
+
+Additionally, documentation has been updated to reference GitHub as the new
+canonical repository and to describe the new GitHub pull request workflow.
+
+=head1 Configuration and Compilation
+
+=over 4
+
+=item *
+
+The C<ECHO> macro is now defined.  This is used in a C<dtrace> rule that was
+originally changed for FreeBSD, and the FreeBSD make apparently predefines it.
+The Solaris make does not predefine C<ECHO> which broke this rule on Solaris.
+L<[perl #17057]|https://github.com/perl/perl5/issues/17057>
+
+=back
+
+=head1 Testing
+
+Tests were added and changed to reflect the other additions and changes in this
+release.
+
+=head1 Platform Support
+
+=head2 Platform-Specific Notes
+
+=over 4
+
+=item Win32
+
+The locale tests could crash on Win32 due to a Windows bug, and separately due
+to the CRT throwing an exception if the locale name wasn't validly encoded in
+the current code page.
+
+For the second we now decode the locale name ourselves, and always decode it as
+UTF-8.
+
+L<[perl #16922]|https://github.com/perl/perl5/issues/16922>
+
+=back
+
+=head1 Selected Bug Fixes
+
+=over 4
+
+=item *
+
+Setting C<$)> now properly sets supplementary group ids, if you have the
+necessary privileges.
+L<[perl #17031]|https://github.com/perl/perl5/issues/17031>
+
+=item *
+
+C<readline @foo> now evaluates C<@foo> in scalar context.  Previously, it would
+be evaluated in list context, and since readline() pops only one argument from
+the stack, the stack could underflow, or be left with unexpected values on it.
+L<[perl #16929]|https://github.com/perl/perl5/issues/16929>
+
+=item *
+
+sv_gets() now recovers better if the target SV is modified by a signal handler.
+L<[perl #16960]|https://github.com/perl/perl5/issues/16960>
+
+=item *
+
+Matching a non-C<SVf_UTF8> string against a regular expression containing
+Unicode literals could leak an SV on each match attempt.
+L<[perl #17140]|https://github.com/perl/perl5/issues/17140>
+
+=item *
+
+C<< sprintf("%.*a", -10000, $x) >> would cause a buffer overflow due to
+mishandling of the negative precision value.
+L<[perl #16942]|https://github.com/perl/perl5/issues/16942>
+
+=item *
+
+C<scalar()> on a reference could cause an erroneous assertion failure during
+compilation.
+L<[perl #16969]|https://github.com/perl/perl5/issues/16969>
+
+=back
+
+=head1 Acknowledgements
+
+Perl 5.30.1 represents approximately 6 months of development since Perl 5.30.0
+and contains approximately 4,700 lines of changes across 67 files from 14
+authors.
+
+Excluding auto-generated files, documentation and release tools, there were
+approximately 910 lines of changes to 20 .pm, .t, .c and .h files.
+
+Perl continues to flourish into its fourth decade thanks to a vibrant community
+of users and developers.  The following people are known to have contributed
+the improvements that became Perl 5.30.1:
+
+Chris 'BinGOs' Williams, Dan Book, David Mitchell, Hugo van der Sanden, James E
+Keenan, Karen Etheridge, Karl Williamson, Manuel Mausz, Max Maischein, Nicolas
+R., Sawyer X, Steve Hay, Tom Hukins, Tony Cook.
+
+The list above is almost certainly incomplete as it is automatically generated
+from version control history.  In particular, it does not include the names of
+the (very much appreciated) contributors who reported issues to the Perl bug
+tracker.
+
+Many of the changes included in this version originated in the CPAN modules
+included in Perl's core.  We're grateful to the entire CPAN community for
+helping Perl to flourish.
+
+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 perl bug database at
+L<https://rt.perl.org/>.  There may also be information at
+L<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 see
+L<perlsec/SECURITY VULNERABILITY CONTACT INFORMATION> for details of how to
+report the issue.
+
+=head1 Give Thanks
+
+If you wish to thank the Perl 5 Porters for the work we had done in Perl 5, you
+can do so by running the C<perlthanks> program:
+
+    perlthanks
+
+This will send an email to the Perl 5 Porters list with your show of thanks.
+
+=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