Wiki: https://fedoraproject.org/wiki/Changes/perl5.44
Discussion Thread: https://discussion.fedoraproject.org/t/188915
**This is a proposed Change for Fedora Linux.**
This document represents a proposed Change. As part of the Changes process, proposals are publicly announced in order to receive community feedback. This proposal will only be implemented if approved by the Fedora Engineering Steering Committee.
== Summary ==
A new *Perl 5.44* version brings a lot of changes done over a year of development. Perl 5.44 should be released on May 20 2026. See [https://metacpan.org/release/BOOK/perl-5.43.10/view/pod/perldelta.pod perldelta for 5.43.10 (devel release)] for more details about new release.
== Owner ==
* Name: [[User:Jplesnik| Jitka Plesníková]], [[User:Mspacek| Michal Josef Špaček]]
* Email: <jplesnik@redhat.com>, <mspacek@redhat.com>
== Detailed Description ==
New Perl is released every year and updates containing mainly bug fixes follow during the year. The 5.44.0 version is stable release this year.
== Feedback ==
N/A
== Benefit to Fedora ==
Up-to-date and latest perl release will be delivered to Fedora users.
== Scope ==
Every Perl package will be rebuilt in a dedicated *f45-perl* build-root against perl 5.44.0 and then if no major problem emerges the packages will be merged back to *f45* build-root.
* Proposal owners: New perl and all packages requiring *libperl.so* or versioned *perl(MODULE_COMPAT)* will be rebuilt into *f45-perl* build-root.
* Other developers: Owners of packages that fail to rebuild, mainly perl-sig users, will be asked using Bugzilla to fix or remove their packages from the distribution.
* Release engineering: [https://pagure.io/releng/issues #Releng issue number]
Release engineers will be asked for new *f45-perl* build-root inheriting from *f45* build-root. After successful finishing the rebuild, they will be asked to merge *f45-perl* packages back to *f45* build-root.
* Policies and guidelines: N/A (not needed for this Change)
* Trademark approval: N/A (not needed for this Change)
* Alignment with Community Initiatives:
== Upgrade/compatibility impact ==
Vast majority of functionality will be preserved. Only the packages that failed to build against perl 5.44 will be removed from the distribution. That will require to remove those packages from the existing systems otherwise a package manager will encounter unsatisfied dependencies. The developers in Perl language are advised to install *perl-doc* and *perl-debugger* packages.
== Early Testing (Optional) ==
N/A
== How To Test ==
Try upgrading from Fedora 44 to 45. Try some Perl application to verify they work as expected. Try embedded perl in [https://src.fedoraproject.org/rpms/openldap slapd] or [https://src.fedoraproject.org/rpms/net-snmp snmpd].
== User Experience ==
There should not be any remarkable change in user experience. With the exception that previously locally installed modules with a CPAN clients will need a reinstallation.
== Dependencies ==
There is more than 3500 packages depending on perl. We will rebuild only all dual-lived packages and packages which require *libperl.so* or versioned *perl(MODULE_COMPAT)*. It means only about 600 packages needs to rebuild. Most of them are expected not to break. Finishing this change can be endangered only by critical changes in a toolchain.
*noarch* packages don't need to be rebuilt now.
== Contingency Plan ==
* Contingency mechanism: If we find perl 5.44 is not suitable for Fedora 45, we will revert back to perl 5.42 and we drop the temporary build-root with already rebuilt packages.
* Contingency deadline: branching Fedora 45 from Rawhide.
* Blocks release? No.
== Documentation ==
* [https://metacpan.org/release/BOOK/perl-5.43.10/view/pod/perldelta.pod perldelta for 5.43.10]
* An announcement on perl-devel mailing list
* An announcement on fedora-devel mailing list
== Release Notes ==
Perl 5.44.0 is a new stable release that focuses on improving performance, refining existing features, and adding new experimental capabilities.\n\nTBD
Discussion Thread: https://discussion.fedoraproject.org/t/188915
**This is a proposed Change for Fedora Linux.**
This document represents a proposed Change. As part of the Changes process, proposals are publicly announced in order to receive community feedback. This proposal will only be implemented if approved by the Fedora Engineering Steering Committee.
== Summary ==
A new *Perl 5.44* version brings a lot of changes done over a year of development. Perl 5.44 should be released on May 20 2026. See [https://metacpan.org/release/BOOK/perl-5.43.10/view/pod/perldelta.pod perldelta for 5.43.10 (devel release)] for more details about new release.
== Owner ==
* Name: [[User:Jplesnik| Jitka Plesníková]], [[User:Mspacek| Michal Josef Špaček]]
* Email: <jplesnik@redhat.com>, <mspacek@redhat.com>
== Detailed Description ==
New Perl is released every year and updates containing mainly bug fixes follow during the year. The 5.44.0 version is stable release this year.
== Feedback ==
N/A
== Benefit to Fedora ==
Up-to-date and latest perl release will be delivered to Fedora users.
== Scope ==
Every Perl package will be rebuilt in a dedicated *f45-perl* build-root against perl 5.44.0 and then if no major problem emerges the packages will be merged back to *f45* build-root.
* Proposal owners: New perl and all packages requiring *libperl.so* or versioned *perl(MODULE_COMPAT)* will be rebuilt into *f45-perl* build-root.
* Other developers: Owners of packages that fail to rebuild, mainly perl-sig users, will be asked using Bugzilla to fix or remove their packages from the distribution.
* Release engineering: [https://pagure.io/releng/issues #Releng issue number]
Release engineers will be asked for new *f45-perl* build-root inheriting from *f45* build-root. After successful finishing the rebuild, they will be asked to merge *f45-perl* packages back to *f45* build-root.
* Policies and guidelines: N/A (not needed for this Change)
* Trademark approval: N/A (not needed for this Change)
* Alignment with Community Initiatives:
== Upgrade/compatibility impact ==
Vast majority of functionality will be preserved. Only the packages that failed to build against perl 5.44 will be removed from the distribution. That will require to remove those packages from the existing systems otherwise a package manager will encounter unsatisfied dependencies. The developers in Perl language are advised to install *perl-doc* and *perl-debugger* packages.
== Early Testing (Optional) ==
N/A
== How To Test ==
Try upgrading from Fedora 44 to 45. Try some Perl application to verify they work as expected. Try embedded perl in [https://src.fedoraproject.org/rpms/openldap slapd] or [https://src.fedoraproject.org/rpms/net-snmp snmpd].
== User Experience ==
There should not be any remarkable change in user experience. With the exception that previously locally installed modules with a CPAN clients will need a reinstallation.
== Dependencies ==
There is more than 3500 packages depending on perl. We will rebuild only all dual-lived packages and packages which require *libperl.so* or versioned *perl(MODULE_COMPAT)*. It means only about 600 packages needs to rebuild. Most of them are expected not to break. Finishing this change can be endangered only by critical changes in a toolchain.
*noarch* packages don't need to be rebuilt now.
== Contingency Plan ==
* Contingency mechanism: If we find perl 5.44 is not suitable for Fedora 45, we will revert back to perl 5.42 and we drop the temporary build-root with already rebuilt packages.
* Contingency deadline: branching Fedora 45 from Rawhide.
* Blocks release? No.
== Documentation ==
* [https://metacpan.org/release/BOOK/perl-5.43.10/view/pod/perldelta.pod perldelta for 5.43.10]
* An announcement on perl-devel mailing list
* An announcement on fedora-devel mailing list
== Release Notes ==
Perl 5.44.0 is a new stable release that focuses on improving performance, refining existing features, and adding new experimental capabilities.\n\nTBD
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