PERL5422DELTA(1perl)

📦
version 5.44.0 · 2 versions
, in arch rolling

💖 perl5422delta — what's new for perl v5.42.2 💖

okay bestie, welcome to the Perl Programmers Reference Guide, this is the perl5422delta girlie and she's here to spill the tea on literally everything that changed 🫖✨

🌸 NAME 🌸

perl5422delta — what is new for perl v5.42.2 👑

✨ DESCRIPTION ✨

This doc is the full rundown of the differences between the 5.42.1 release and the 5.42.2 release. fr fr.

If you're upgrading from something earlier, like 5.42.0, you gotta read perl5421delta first, because that one describes the differences between 5.42.0 and 5.42.1. Do it in order, bestie, it's giving chronological. 📚

🔒 Security 🔒

[CVE-2026-4176] Vulnerability in Compress::Raw::Zlib 😭

Compress::Raw::Zlib is included in Perl as a dual-life core module, and it was vulnerable to [CVE-2026-3381 https://www.cve.org/CVERecord?id=CVE-2026-3381] because of a vendored version of zlib that had several vulnerabilities, including [CVE-2026-27171 https://www.cve.org/CVERecord?id=CVE-2026-27171]. not the vibe. 💀

This problem was assigned [CVE-2026-4176 https://www.cve.org/CVERecord?id=CVE-2026-4176] by the CPAN Security Group https://security.metacpan.org/.

🚫 Incompatible Changes 🚫

There are no changes intentionally incompatible with 5.42.1. If any exist, they are bugs, and we request that you submit a report. See "Reporting Bugs" below. 👇

📦 Modules and Pragmata 📦

🦋 Updated Modules and Pragmata 🦋

  • Compress::Raw::Zlib has been upgraded from version 2.213 to 2.222. 💅
  • Module::CoreList has been upgraded from version 5.20260308 to 5.20260329_42. ✨

📖 Documentation 📖

🌈 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, open an issue at https://github.com/Perl/perl5/issues. bestie we tried, but if we fumbled it, tell us 🫶

🧪 Testing 🧪

Tests were added and changed to reflect the other additions and changes in this release. no cap, the test suite ate. 🔥

🎀 Acknowledgements 🎀

Perl 5.42.2 represents approximately 3 weeks of development since Perl 5.42.1 and contains approximately 2,900 lines of changes across 57 files from 6 authors. iconic behavior honestly.

Excluding auto-generated files, documentation and release tools, there were approximately 1,900 lines of changes to 23 .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 5.42.2:

Eric Herman, James E Keenan, Olaf Alders, Paul Marquess, Richard Leach, Steve Hay. 👑👑👑

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. y'all are the real ones 💖

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.

🐛 Reporting Bugs 🐛

If you find what you think is a bug, you might check the perl bug database at https://github.com/Perl/perl5/issues. There may also be information at https://www.perl.org/, the Perl Home Page.

If you believe you have an unreported bug, please open an issue at https://github.com/Perl/perl5/issues. Be sure to trim your bug down to a tiny but sufficient test case. pls don't paste your entire 4000-line codebase, bestie 🙈

If the bug you are reporting has security implications which make it inappropriate to send to a public issue tracker, then see "SECURITY VULNERABILITY CONTACT INFORMATION" in perlsec for details of how to report the issue. keep it lowkey, not public. 🔐

🫶 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 perlthanks program:

perlthanks

This will send an email to the Perl 5 Porters list with your show of thanks. go be sweet, they deserve it 💜

👀 SEE ALSO 👀

  • 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.

and that's the whole page, bestie!! this was perl v5.44.0, dated 2026-10-17, and you can find her filed under PERL5422DELTA(1perl) — stay slay, stay upgraded, and go read perl5421delta if you skipped it 💅✨💖

📦 where this page comes from