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author | Neil Bowers <neilb@neilb.org> | 2021-07-23 01:26:35 +0100 |
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committer | Neil Bowers <neilb@neilb.org> | 2021-07-23 01:26:35 +0100 |
commit | 9b2ad66f5196979a271b3edb6a5e82a6726b1b2c (patch) | |
tree | f82bc2a475def05a64282c48304c4e92b72be21a | |
parent | e5cb7117020e09aab14bef180ebaf8422b1b9bfa (diff) | |
download | perl-9b2ad66f5196979a271b3edb6a5e82a6726b1b2c.tar.gz |
first cut at perldelta
-rw-r--r-- | pod/perldelta.pod | 352 |
1 files changed, 34 insertions, 318 deletions
diff --git a/pod/perldelta.pod b/pod/perldelta.pod index 02dd3320f6..bc9d233fcd 100644 --- a/pod/perldelta.pod +++ b/pod/perldelta.pod @@ -2,9 +2,6 @@ =head1 NAME -[ 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 @@ -15,83 +12,8 @@ release. 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 Notice - -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 * - -XXX - -=back =head1 Modules and Pragmata @@ -131,225 +53,31 @@ The C<v> command works again, and now has some tests. =back -=head2 Removed Modules and Pragmata - -=over 4 - -=item * - -XXX - -=back =head1 Documentation -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>. - -=head2 New Documentation - -XXX Changes which create B<new> files in F<pod/> go here. - -=head3 L<XXX> - -XXX Description of the purpose of the new file here - =head2 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 L<https://github.com/Perl/perl5/issues>. - -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. - -Additionally, the following selected changes have been made: - -=head3 L<XXX> - -=over 4 - -=item * - -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 +=head3 L<perlintro> =over 4 =item * -XXX L<message|perldiag/"message"> +A number of sentences in L<perlintro> have been simplified, +to make things clearer. +Ambiguities were resolved, related to "special variables". =back -=head3 New Warnings - -=over 4 - -=item * - -L<each on anonymous %s will always start from the beginning|perldiag/"each on anonymous %s will always start from the beginning"> - -(W syntax) You called L<each|perlfunc/each> on an anonymous hash or -array. Since a new hash or array is created each time, each() will -restart iterating over your hash or array every time. - -(github #18643) - -=back - -=head2 Changes to Existing Diagnostics - -XXX Changes (i.e. rewording) of diagnostic messages go here - -=over 4 - -=item * - -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 * - -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 * - -XXX - -=back - -=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 * - -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 - -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 +The :win32 IO layer has been removed. This experimental replacement for the +:unix layer never reached maturity in its nearly two decades of existence. =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 * @@ -368,11 +96,6 @@ XXX =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 * @@ -383,55 +106,48 @@ a packed buffer or vice versa. It also ignored the UTF-8 flag, potentially treating the internal representation of an upgraded SV as the bytes to supply to the setsockopt() system call. (github #18660) -=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 * -XXX +Only set IOKp, not IOK on $) and $(. +This was issue #18955: This will prevent serializers from serializing these +variables as numbers (which loses the additional groups). +This restores behaviour from 5.16 =back -=head1 Errata From Previous Releases -=over 4 - -=item * - -XXX Add anything here that we forgot to add, or were mistaken about, in -the perldelta of a previous release. - -=item * +=head1 Acknowledgements -The C<Unicode::Unihan> CPAN module doesn't work on recent Unicode -versions, so references to it have been removed in 5.35.1. +Perl 5.35.2 represents approximately 5 weeks of development since Perl +5.35.1 and contains approximately 27,000 lines of changes across 420 files +from 25 authors. -=item * +Excluding auto-generated files, documentation and release tools, there were +approximately 14,000 lines of changes to 200 .pm, .t, .c and .h files. -The definition for the C<ASSUME()> macro, broken on Windows in 5.34, has -been fixed in 5.35.1. +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 5.35.2: -=back +Atsushi Sugawara, Ben Cornett, Chris 'BinGOs' Williams, Christian Walde +(Mithaldu), Craig A. Berry, David Golden, David Marshall, Felipe Gasper, +Jakub Wilk, James E Keenan, Karl Williamson, Leam Hall, Leon Timmermans, Max +Maischein, Neil Bowers, Nicholas Clark, Paul Evans, Paul Marquess, Richard +Leach, Sawyer X, Sergey Poznyakoff, Sven Kirmess, Thibault Duponchelle, Todd +Rinaldo, Tony Cook. -=head1 Obituary +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. -XXX If any significant core contributor or member of the CPAN community has -died, add a short obituary here. - -=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 |