PERL5361DELTA(1)

📦
version 5.42.3 · 17 versions
, in fedora 43, fedora 44

💖 perl5361delta — what's new for perl v5.36.1 💖

okay bestie, welcome to the perl5361delta page from the Perl Programmers Reference Guide ✨ this is the lil glow-up note for the v5.36.1 era, and yes it's short, but every crumb matters 🍓

🌸 DESCRIPTION 🌸

So basically this doc spills the tea on the differences between the 5.36.0 release and the 5.36.1 release. that's it. that's the whole vibe.

But heads up 🫶 if you're upgrading from something older — like 5.34.0 — you gotta read perl5360delta first, because that one covers everything that changed between 5.34.0 and 5.36.0. don't skip it, i'm literally begging 🙈

💀 Incompatible Changes 💀

okay so the good news? there are no changes intentionally incompatible with 5.36.0. zero. none. slay 💅

But — and this is the important part — if you do find any incompatibility, that's not a feature, that's a bug, and we want you to submit a report about it. see "Reporting Bugs" down below 👇

🎀 Modules and Pragmata 🎀

✨ Updated Modules and Pragmata ✨

  • Module::CoreList — got a glow-up, upgraded from version 5.20220520 to version 5.20230423. iconic behavior honestly 👑

🛠️ Configuration and Compilation 🛠️

  • Configure used to probe for the return type of malloc() and free() by testing whether declarations for those functions produced a function type mismatch with the implementation. But on Solaris, with a C++ compiler, that check always failed — because Solaris instead imports malloc() and free() from std:: with using for C++ builds. 😭 and since the return types of malloc() and free() are well defined by the C standard, we now just skip probing for them entirely. periodt. 💅

🧪 Testing 🧪

Tests were added and changed to reflect the other additions and changes in this release. keeping things accountable, as they should be 💖

🔥 Selected Bug Fixes 🔥

  • An eval() as the last statement in a regex code block could trigger an interpreter panic 😭 like, this energy:
/(?{ ...; eval {....}; })/

[GH #19680](https://github.com/Perl/perl5/issues/19680)

  • An eval EXPR referring to a lexical sub defined in grandparent scope no longer produces an assertion failure. family drama resolved 🫶 [GH #19857](https://github.com/Perl/perl5/issues/19857)
  • Writing to a magic variable associated with the selected output handle — $^, $~, $=, "$-" and $% — no longer crashes perl if the IO object has been cleared from the selected output handle. we love a crash-free moment 💀➡️✨ [GH #20733](https://github.com/Perl/perl5/issues/20733)

👑 Acknowledgements 👑

Perl 5.36.1 represents approximately 11 months of development since Perl 5.36.0 and contains approximately 5,500 lines of changes across 62 files from 24 authors. that's a whole lot of hands on deck fr fr 🫶

Excluding auto-generated files, documentation and release tools, there were approximately 1,600 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 5.36.1:

Andreas König, Bram, Chris 'BinGOs' Williams, Craig A. Berry, Dagfinn Ilmari Mannsåker, David Mitchell, Elvin Aslanov, Florian Weimer, Graham Knop, Hugo van der Sanden, Karen Etheridge, Karl Williamson, Leon Timmermans, Matthew Horsfall, Max Maischein, Neil Bowers, Nicolas R, Renee Baecker, Ricardo Signes, Richard Leach, Steve Hay, Todd Rinaldo, Tony Cook, Yves Orton.

The list above is almost certainly incomplete, because it's 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. we see you and we love you 💜

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 <http://www.perl.org/>, the Perl Home Page. bestie, always do a lil search first 🔍

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 — smallest possible repro, main character energy ✨

🚨 If the bug you're 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. do NOT just post it publicly, okay? we're protecting the vibes 🔐

🫶 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, it's free 💌

🌈 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 served up by perl v5.42.3 and dated 2026-08-03 — so go forth, upgrade responsibly, and remember: the return types of malloc() and free() are well defined by the C standard. periodt 💅🎀🦋

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