diff options
author | Aaron Crane <arc@cpan.org> | 2018-10-20 13:29:17 +0100 |
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committer | Aaron Crane <arc@cpan.org> | 2018-10-20 13:29:17 +0100 |
commit | 8de8eb77f9d6567ac8194b8d19af809e36945198 (patch) | |
tree | 7da7ef2dfeb6d80356936889db477c16c0a8b0f0 | |
parent | ccad837ecab84320e6a2d49f4bb54cbe99fdc4ed (diff) | |
download | perl-5.29.4.tar.gz |
Finalize perldelta for 5.29.4v5.29.4
-rw-r--r-- | pod/perldelta.pod | 364 |
1 files changed, 55 insertions, 309 deletions
diff --git a/pod/perldelta.pod b/pod/perldelta.pod index 079f298523..fb24ee53a4 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 v5.29.4 =head1 DESCRIPTION @@ -15,42 +12,16 @@ release. If you are upgrading from an earlier release such as 5.29.2, first read L<perl5293delta>, which describes differences between 5.29.2 and 5.29.3. -=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 ] - =head2 The maximum number of times a pattern can match has been doubled to 65535 This means if you specify C<qr/a+/> that there can be anywhere from 1 through 65535 C<"a">'s in a row, instead of 32267 as previously. -=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 ] - =head2 Assigning non-zero to C<$[> is fatal Setting L<< C<$[>|perlvar/$[ >> to a non-zero value has been deprecated since @@ -70,7 +41,7 @@ handles: =item * -all four functions only paid attention to the C<:utf8> flag, other +All four functions only paid attention to the C<:utf8> flag. Other layers were completely ignored, so a handle with C<:encoding(UTF-16LE)> layer would be treated as UTF-8. Other layers, such as compression are completely ignored with or without the @@ -112,311 +83,86 @@ throws an exception which advises use of C<File::Glob::bsd_glob()> instead. [perl #133586] -=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 -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. - -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.) - -[ Within each section, list entries as an =item entry ] - -=head2 New Modules and Pragmata - -=over 4 - -=item * - -XXX Remove this section if not applicable. - -=back - =head2 Updated Modules and Pragmata =over 4 =item * -L<vars> has been upgraded from version 1.04 to 1.05. - -C<vars.pm> no longer disables non-vars strict when checking if strict -vars is enabled. [perl #130674] - -=back - -=head2 Removed Modules and Pragmata - -=over 4 +L<B> has been upgraded from version 1.74 to 1.75. =item * -B::Debug is no longer distributed with the core distribution. It remains -available on CPAN. +L<B::Concise> has been upgraded from version 1.003 to 1.004. =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, send email -to L<perlbug@perl.org|mailto:perlbug@perl.org>. - -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 +L<B::Deparse> has been upgraded from version 1.48 to 1.49. =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 - -=over 4 +L<bignum> has been upgraded from version 0.50 to 0.51. =item * -XXX L<message|perldiag/"message"> - -=back - -=head3 New Warnings - -=over 4 +L<bytes> has been upgraded from version 1.06 to 1.07. =item * -XXX L<message|perldiag/"message"> - -=back - -=head2 Changes to Existing Diagnostics - -XXX Changes (i.e. rewording) of diagnostic messages go here - -=over 4 +L<CPAN> has been upgraded from version 2.20-TRIAL to 2.21-TRIAL. =item * -XXX Describe change here - -=back - -=head1 Utility Changes - -XXX Changes to installed programs such as F<perlbug> 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 +L<Devel::Peek> has been upgraded from version 1.27 to 1.28. =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 +L<feature> has been upgraded from version 1.53 to 1.54. =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 +L<File::Copy> has been upgraded from version 2.33 to 2.34. =item * -XXX +L<File::Glob> has been upgraded from version 1.31 to 1.32. -=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 * -=item XXX-some-platform +L<Module::CoreList> has been upgraded from version 5.20180920 to 5.20181020. -XXX +=item * -=back +L<sigtrap> has been upgraded from version 1.08 to 1.09. -=head2 Discontinued Platforms +=item * -XXX List any platforms that this version of perl no longer compiles on. +L<Unicode::UCD> has been upgraded from version 0.71 to 0.72. -=over 4 +=item * -=item XXX-some-platform +L<vars> has been upgraded from version 1.04 to 1.05. -XXX +C<vars.pm> no longer disables non-vars strict when checking if strict +vars is enabled. [perl #130674] =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. +=head2 Removed Modules and Pragmata =over 4 -=item XXX-some-platform +=item * -XXX +B::Debug is no longer distributed with the core distribution. It remains +available on CPAN. =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 * @@ -429,11 +175,6 @@ the number of parenthetical capture groups. =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 * @@ -445,45 +186,50 @@ zero-length SV produced. [perl #132655] Improve the debugging output for calloc() calls with C<-Dm>. [perl #133439] -=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 ] +=item * -=over 4 +Regexp script runs were failing to permit ASCII digits in some cases. +[perl #133547] =item * -XXX +On Unix-like systems supporting a platform-specific technique for +determining L<< C<$^X>|perlvar/$^X >>, Perl failed to fall back to the +generic technique when the platform-specific one fails (for example, a Linux +system with /proc not mounted). This was a regression in Perl 5.28.0. +[perl #133573] =back -=head1 Errata From Previous Releases - -=over 4 - -=item * +=head1 Acknowledgements -XXX Add anything here that we forgot to add, or were mistaken about, in -the perldelta of a previous release. +Perl 5.29.4 represents approximately 4 weeks of development since Perl +5.29.3 and contains approximately 8,400 lines of changes across 180 files +from 17 authors. -=back +Excluding auto-generated files, documentation and release tools, there were +approximately 6,300 lines of changes to 110 .pm, .t, .c and .h files. -=head1 Obituary +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 5.29.4: -XXX If any significant core contributor or member of the CPAN community has -died, add a short obituary here. +Aaron Crane, Alexandr Savca, Andreas König, Chris 'BinGOs' Williams, Craig +A. Berry, Dagfinn Ilmari Mannsåker, David Mitchell, Eugen Konkov, James E +Keenan, John SJ Anderson, Karl Williamson, Matthias Bethke, Nicolas R., +Sisyphus, Slaven Rezic, Tomasz Konojacki, Tony Cook. -=head1 Acknowledgements +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 Generate this with: +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. - perl Porting/acknowledgements.pl v5.29.3..HEAD +For a more complete list of all of Perl's historical contributors, please +see the F<AUTHORS> file in the Perl source distribution. =head1 Reporting Bugs |