PERL5242DELTA(1) Perl Programmers Reference Guide PERL5242DELTA(1)
perl5242delta - what is new for perl v5.24.2
This document describes differences between the 5.24.1 release and the
If you are upgrading from an earlier release such as 5.24.0, first read
perl5241delta, which describes differences between 5.24.0 and 5.24.1.
Improved handling of '.' in @INC in base.pm
The handling of (the removal of) '.' in @INC in base has been improved.
This resolves some problematic behaviour in the approach taken in Perl
5.24.1, which is probably best described in the following two threads
on the Perl 5 Porters mailing list:
"Escaped" colons and relative paths in PATH
On Unix systems, Perl treats any relative paths in the PATH environment
variable as tainted when starting a new process. Previously, it was
allowing a backslash to escape a colon (unlike the OS), consequently
allowing relative paths to be considered safe if the PATH was set to
something like "/\:.". The check has been fixed to treat "." as
tainted in that example.
Modules and Pragmata
Updated Modules and Pragmata
o base has been upgraded from version 2.23 to 2.23_01.
o Module::CoreList has been upgraded from version 5.20170114_24 to
Selected Bug Fixes
o Fixed a crash with "s///l" where it thought it was dealing with
UTF-8 when it wasn't. [perl #129038]
Perl 5.24.2 represents approximately 6 months of development since Perl
5.24.1 and contains approximately 2,500 lines of changes across 53
files from 18 authors.
Excluding auto-generated files, documentation and release tools, there
were approximately 960 lines of changes to 17 .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 5.24.2:
Aaron Crane, Abigail, Aristotle Pagaltzis, Chris 'BinGOs' Williams, Dan
Collins, David Mitchell, Eric Herman, Father Chrysostomos, James E
Keenan, Karl Williamson, Lukas Mai, Renee Baecker, Ricardo Signes,
Sawyer X, Stevan Little, Steve Hay, Tony Cook, Yves Orton.
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 AUTHORS file in the Perl source distribution.
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 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 "perl -V", will be sent off to email@example.com 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
"SECURITY VULNERABILITY CONTACT INFORMATION" in perlsec for details of
how to report the issue.
The Changes file for an explanation of how to view exhaustive details
on what changed.
The INSTALL file for how to build Perl.
The README file for general stuff.
The Artistic and Copying files for copyright information.
perl v5.26.1 2020-10-19 PERL5242DELTA(1)
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