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Diffstat (limited to 'pod/perldelta.pod')
-rw-r--r-- | pod/perldelta.pod | 386 |
1 files changed, 295 insertions, 91 deletions
diff --git a/pod/perldelta.pod b/pod/perldelta.pod index c20ff5f7ec..ca1ae4cf16 100644 --- a/pod/perldelta.pod +++ b/pod/perldelta.pod @@ -2,204 +2,408 @@ =head1 NAME -perldelta - what is new for perl v5.35.1 +[ this is a template for a new perldelta file. Any text flagged as XXX needs +to be processed before release. ] + +perldelta - what is new for perl v5.35.2 =head1 DESCRIPTION -This document describes differences between the 5.35.0 release and the 5.35.1 +This document describes differences between the 5.35.1 release and the 5.35.2 release. -If you are upgrading from an earlier release such as 5.34.0, first read -L<perl5350delta>, which describes differences between 5.34.0 and 5.35.0. +If you are upgrading from an earlier release such as 5.35.0, first read +L<perl5351delta>, which describes differences between 5.35.0 and 5.35.1. -=head1 Modules and Pragmata +=head1 Notice -=head2 Updated Modules and Pragmata +XXX Any important notices here + +=head1 Core Enhancements + +XXX New core language features go here. Summarize user-visible core language +enhancements. Particularly prominent performance optimisations could go +here, but most should go in the L</Performance Enhancements> section. + +[ List each enhancement as a =head2 entry ] + +=head1 Security + +XXX Any security-related notices go here. In particular, any security +vulnerabilities closed should be noted here rather than in the +L</Selected Bug Fixes> section. + +[ List each security issue as a =head2 entry ] + +=head1 Incompatible Changes + +XXX For a release on a stable branch, this section aspires to be: + + There are no changes intentionally incompatible with 5.XXX.XXX + If any exist, they are bugs, and we request that you submit a + report. See L</Reporting Bugs> below. + +[ List each incompatible change as a =head2 entry ] + +=head1 Deprecations + +XXX Any deprecated features, syntax, modules etc. should be listed here. + +=head2 Module removals + +XXX Remove this section if not applicable. + +The following modules will be removed from the core distribution in a +future release, and will at that time need to be installed from CPAN. +Distributions on CPAN which require these modules will need to list them as +prerequisites. + +The core versions of these modules will now issue C<"deprecated">-category +warnings to alert you to this fact. To silence these deprecation warnings, +install the modules in question from CPAN. + +Note that these are (with rare exceptions) fine modules that you are encouraged +to continue to use. Their disinclusion from core primarily hinges on their +necessity to bootstrapping a fully functional, CPAN-capable Perl installation, +not usually on concerns over their design. + +=over + +=item XXX + +XXX Note that deprecated modules should be listed here even if they are listed +as an updated module in the L</Modules and Pragmata> section. + +=back + +[ List each other deprecation as a =head2 entry ] + +=head1 Performance Enhancements + +XXX Changes which enhance performance without changing behaviour go here. +There may well be none in a stable release. + +[ List each enhancement as an =item entry ] =over 4 =item * -L<B::Deparse> has been upgraded from version 1.56 to 1.57. +XXX -=item * +=back -L<Data::Dumper> has been upgraded from version 2.179 to 2.181. +=head1 Modules and Pragmata -=item * +XXX All changes to installed files in F<cpan/>, F<dist/>, F<ext/> and F<lib/> +go here. If Module::CoreList is updated, generate an initial draft of the +following sections using F<Porting/corelist-perldelta.pl>. A paragraph summary +for important changes should then be added by hand. In an ideal world, +dual-life modules would have a F<Changes> file that could be cribbed. -L<feature> has been upgraded from version 1.65 to 1.66. +The list of new and updated modules is modified automatically as part of +preparing a Perl release, so the only reason to manually add entries here is if +you're summarising the important changes in the module update. (Also, if the +manually-added details don't match the automatically-generated ones, the +release manager will have to investigate the situation carefully.) -=item * +[ Within each section, list entries as an =item entry ] -L<File::Copy> has been upgraded from version 2.35 to 2.36. +=head2 New Modules and Pragmata -Inode numbers are now compared as strings, so that large inode numbers -are correctly distinguished. (GH #18788) +=over 4 =item * -L<File::Glob> has been upgraded from version 1.33 to 1.35. +XXX Remove this section if not applicable. -=item * +=back -L<File::Spec> has been upgraded from version 3.80 to 3.81. +=head2 Updated Modules and Pragmata + +=over 4 =item * -L<File::stat> has been upgraded from version 1.09 to 1.10. +L<XXX> has been upgraded from version A.xx to B.yy. -=item * +If there was something important to note about this change, include that here. + +=back -L<IO> has been upgraded from version 1.46 to 1.47. +=head2 Removed Modules and Pragmata -Implement sync() for win32. +=over 4 =item * -L<Module::CoreList> has been upgraded from version 5.20210521 to 5.20210620. +XXX -=item * +=back -L<Opcode> has been upgraded from version 1.50 to 1.51. +=head1 Documentation -=item * +XXX Changes to files in F<pod/> go here. Consider grouping entries by +file and be sure to link to the appropriate page, e.g. L<perlfunc>. -L<open> has been upgraded from version 1.12 to 1.13. +=head2 New Documentation -=item * +XXX Changes which create B<new> files in F<pod/> go here. -L<PathTools|Cwd> has been upgraded from version 3.80 to 3.81. +=head3 L<XXX> -Inodes numbers are now compared as strings, so that large inode numbers -are correctly distinguished. (GH #18788) +XXX Description of the purpose of the new file here -=item * +=head2 Changes to Existing Documentation -L<perlfaq> has been upgraded from version 5.20210411 to 5.20210520. +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 L<https://github.com/Perl/perl5/issues>. -=item * +XXX Changes which significantly change existing files in F<pod/> go here. +However, any changes to F<pod/perldiag.pod> should go in the L</Diagnostics> +section. -L<POSIX> has been upgraded from version 1.97 to 1.98. +Additionally, the following selected changes have been made: -=item * +=head3 L<XXX> -L<Scalar::Util> has been upgraded from version 1.55 to 1.56. +=over 4 =item * -L<Socket> has been upgraded from version 2.031 to 2.032. +XXX Description of the change here + +=back + +=head1 Diagnostics + +The following additions or changes have been made to diagnostic output, +including warnings and fatal error messages. For the complete list of +diagnostic messages, see L<perldiag>. + +XXX New or changed warnings emitted by the core's C<C> code go here. Also +include any changes in L<perldiag> that reconcile it to the C<C> code. + +=head2 New Diagnostics + +XXX Newly added diagnostic messages go under here, separated into New Errors +and New Warnings + +=head3 New Errors + +=over 4 =item * -L<Test::Simple> has been upgraded from version 1.302183 to 1.302185. +XXX L<message|perldiag/"message"> + +=back + +=head3 New Warnings + +=over 4 =item * -L<Unicode::Collate> has been upgraded from version 1.29 to 1.30. +XXX L<message|perldiag/"message"> + +=back + +=head2 Changes to Existing Diagnostics + +XXX Changes (i.e. rewording) of diagnostic messages go here -One warning in F<mkheader> averted (rt.cpan.org #133952). +=over 4 =item * -L<Unicode::UCD> has been upgraded from version 0.75 to 0.76. +XXX Describe change here + +=back + +=head1 Utility Changes + +XXX Changes to installed programs such as F<perldoc> and F<xsubpp> go here. +Most of these are built within the directory F<utils>. + +[ List utility changes as a =head2 entry for each utility and =item +entries for each change +Use L<XXX> with program names to get proper documentation linking. ] + +=head2 L<XXX> + +=over 4 =item * -L<version> has been upgraded from version 0.9928 to 0.9929. +XXX + +=back + +=head1 Configuration and Compilation + +XXX Changes to F<Configure>, F<installperl>, F<installman>, and analogous tools +go here. Any other changes to the Perl build process should be listed here. +However, any platform-specific changes should be listed in the +L</Platform Support> section, instead. + +[ List changes as an =item entry ]. + +=over 4 =item * -L<XS::APItest> has been upgraded from version 1.16 to 1.17. +XXX =back -=head2 Changes to Existing Diagnostics +=head1 Testing + +XXX Any significant changes to the testing of a freshly built perl should be +listed here. Changes which create B<new> files in F<t/> go here as do any +large changes to the testing harness (e.g. when parallel testing was added). +Changes to existing files in F<t/> aren't worth summarizing, although the bugs +that they represent may be covered elsewhere. + +XXX If there were no significant test changes, say this: + +Tests were added and changed to reflect the other additions and changes +in this release. + +XXX If instead there were significant changes, say this: + +Tests were added and changed to reflect the other additions and +changes in this release. Furthermore, these significant changes were +made: + +[ List each test improvement as an =item entry ] =over 4 =item * -L<Can't modify %s in %s|perldiag/"Can't modify %s in %s"> -(for scalar assignment to C<undef>) +XXX + +=back + +=head1 Platform Support + +XXX Any changes to platform support should be listed in the sections below. + +[ Within the sections, list each platform as an =item entry with specific +changes as paragraphs below it. ] + +=head2 New Platforms + +XXX List any platforms that this version of perl compiles on, that previous +versions did not. These will either be enabled by new files in the F<hints/> +directories, or new subdirectories and F<README> files at the top level of the +source tree. + +=over 4 + +=item XXX-some-platform -Attempting to perform a scalar assignment to C<undef>, for example via -C<undef = $foo;>, previously triggered a fatal runtime error with the -message "L<Modification of a read-only value attempted|perldiag/"Modification of a read-only value attempted">." -It is more helpful to detect such attempted assignments prior to -runtime, so they are now compile time errors, resulting in the message -"Can't modify undef operator in scalar assignment". +XXX + +=back + +=head2 Discontinued Platforms + +XXX List any platforms that this version of perl no longer compiles on. + +=over 4 + +=item XXX-some-platform + +XXX + +=back + +=head2 Platform-Specific Notes + +XXX List any changes for specific platforms. This could include configuration +and compilation changes or changes in portability/compatibility. However, +changes within modules for platforms should generally be listed in the +L</Modules and Pragmata> section. + +=over 4 + +=item XXX-some-platform + +XXX =back =head1 Internal Changes +XXX Changes which affect the interface available to C<XS> code go here. Other +significant internal changes for future core maintainers should be noted as +well. + +[ List each change as an =item entry ] + =over 4 =item * -Since the removal of PERL_OBJECT in Perl 5.8, PERL_IMPLICIT_CONTEXT and -MULTIPLICITY have been synonymous and they were being used interchangeably. -To simplify the code, all instances of PERL_IMPLICIT_CONTEXT have been -replaced with MULTIPLICITY. - -PERL_IMPLICIT_CONTEXT will remain defined for compatibility with XS modules. +XXX =back =head1 Selected Bug Fixes +XXX Important bug fixes in the core language are summarized here. Bug fixes in +files in F<ext/> and F<lib/> are best summarized in L</Modules and Pragmata>. + +[ List each fix as an =item entry ] + =over 4 =item * -utime() now correctly sets errno/C<$!> when called on a closed handle. +XXX + +=back + +=head1 Known Problems + +XXX Descriptions of platform agnostic bugs we know we can't fix go here. Any +tests that had to be C<TODO>ed for the release would be noted here. Unfixed +platform specific bugs also go here. + +[ List each fix as an =item entry ] + +=over 4 =item * -B::Deparse now correctly handles try/catch blocks with more complex scopes. -[L<GH #18874|https://github.com/Perl/perl5/issues/18874>] +XXX =back -=head1 Obituary +=head1 Errata From Previous Releases -Raun "Spider" Boardman (SPIDB on CPAN), author of at least 66 commits to the -Perl 5 core distribution between 1996 and 2002, passed away May 24 2021 from -complications of COVID. He will be missed. +=over 4 -=head1 Acknowledgements +=item * -Perl 5.35.1 represents approximately 4 weeks of development since Perl -5.35.0 and contains approximately 57,000 lines of changes across 410 files -from 28 authors. +XXX Add anything here that we forgot to add, or were mistaken about, in +the perldelta of a previous release. -Excluding auto-generated files, documentation and release tools, there were -approximately 53,000 lines of changes to 220 .pm, .t, .c and .h files. +=back -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 5.35.1: +=head1 Obituary -Alyssa Ross, Chris 'BinGOs' Williams, Dan Book, Dan Jacobson, Dave Cross, -Dave Lambley, E. Choroba, Felipe Gasper, H.Merijn Brand, Hugo van der -Sanden, James E Keenan, Karen Etheridge, Karl Williamson, Leon Timmermans, -Matthew Horsfall, Max Maischein, Michael G Schwern, Nicholas Clark, Paul -Evans, Ricardo Signes, Richard Leach, Scott Baker, Thibault Duponchelle, -Todd Rinaldo, Tomasz Konojacki, Tomoyuki Sadahiro, Tony Cook, Михаил -Козачков. +XXX If any significant core contributor or member of the CPAN community has +died, add a short obituary here. -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. +=head1 Acknowledgements -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. +XXX Generate this with: -For a more complete list of all of Perl's historical contributors, please -see the F<AUTHORS> file in the Perl source distribution. + perl Porting/acknowledgements.pl v5.35.1..HEAD =head1 Reporting Bugs |