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.\"
.IX Title "PERL52512DELTA 1"
.TH PERL52512DELTA 1 "2017-05-20" "perl v5.26.0" "Perl Programmers Reference Guide"
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.SH "NAME"
perl52512delta \- what is new for perl v5.25.12
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This document describes differences between the 5.25.11 release and the 5.25.12
release.
.PP
If you are upgrading from an earlier release such as 5.25.10, first read
perl52511delta, which describes differences between 5.25.10 and 5.25.11.
.SH "Modules and Pragmata"
.IX Header "Modules and Pragmata"
.SS "Updated Modules and Pragmata"
.IX Subsection "Updated Modules and Pragmata"
.IP "\(bu" 4
base has been upgraded from version 2.24 to 2.25.
.IP "\(bu" 4
\&\s-1CPAN\s0 has been upgraded from version 2.17 to 2.18.
.IP "\(bu" 4
DynaLoader has been upgraded from version 1.41 to 1.42.
.IP "\(bu" 4
Module::CoreList has been upgraded from version 5.20170320 to
5.20170420.
.IP "\(bu" 4
Safe has been upgraded from version 2.39 to 2.40.
.IP "\(bu" 4
threads::shared has been upgraded from version 1.55 to 1.56.
.IP "\(bu" 4
XSLoader has been upgraded from version 0.26 to 0.27.
.SH "Diagnostics"
.IX Header "Diagnostics"
.SS "New Diagnostics"
.IX Subsection "New Diagnostics"
\fINew Errors\fR
.IX Subsection "New Errors"
.IP "\(bu" 4
Since \f(CW\*(C`.\*(C'\fR is now removed from \f(CW@INC\fR by default, \f(CW\*(C`do\*(C'\fR will now trigger
a warning recommending to fix the \f(CW\*(C`do\*(C'\fR statement:
.Sp
do \*(L"%s\*(R" failed, '.' is no longer in \f(CW@INC\fR
.SS "Changes to Existing Diagnostics"
.IX Subsection "Changes to Existing Diagnostics"
.IP "\(bu" 4
When a \f(CW\*(C`require\*(C'\fR fails, we now do not provide \f(CW@INC\fR when the \f(CW\*(C`require\*(C'\fR
is for a file instead of a module.
.IP "\(bu" 4
When \f(CW@INC\fR is not scanned for a \f(CW\*(C`require\*(C'\fR call, we no longer display
\&\f(CW@INC\fR to avoid confusion.
.SH "Acknowledgements"
.IX Header "Acknowledgements"
Perl 5.25.12 represents approximately 4 weeks of development since Perl 5.25.11
and contains approximately 1,700 lines of changes across 150 files from 8
authors.
.PP
Excluding auto-generated files, documentation and release tools, there were
approximately 700 lines of changes to 73 .pm, .t, .c and .h files.
.PP
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 5.25.12:
.PP
Chris 'BinGOs' Williams, Dagfinn Ilmari Mannsåker, David Mitchell, James E
Keenan, Jarkko Hietaniemi, Karl Williamson, Pali, Sawyer X.
.PP
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.
.PP
Many of the changes included in this version originated in the \s-1CPAN\s0 modules
included in Perl's core. We're grateful to the entire \s-1CPAN\s0 community for
helping Perl to flourish.
.PP
For a more complete list of all of Perl's historical contributors, please see
the \fI\s-1AUTHORS\s0\fR file in the Perl source distribution.
.SH "Reporting Bugs"
.IX Header "Reporting Bugs"
If you find what you think is a bug, you might check the perl bug database
at . There may also be information at
, the Perl Home Page.
.PP
If you believe you have an unreported bug, please run the 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 \f(CW\*(C`perl \-V\*(C'\fR,
will be sent off to perlbug@perl.org to be analysed by the Perl porting team.
.PP
If the bug you are reporting has security implications which make it
inappropriate to send to a publicly archived mailing list, then see
\&\*(L"\s-1SECURITY VULNERABILITY CONTACT INFORMATION\*(R"\s0 in perlsec
for details of how to report the issue.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
The \fIChanges\fR file for an explanation of how to view exhaustive details on
what changed.
.PP
The \fI\s-1INSTALL\s0\fR file for how to build Perl.
.PP
The \fI\s-1README\s0\fR file for general stuff.
.PP
The \fIArtistic\fR and \fICopying\fR files for copyright information.