| 1 | =encoding utf8 |
| 2 | |
| 3 | =head1 NAME |
| 4 | |
| 5 | perl5292delta - what is new for perl v5.29.2 |
| 6 | |
| 7 | =head1 DESCRIPTION |
| 8 | |
| 9 | This document describes differences between the 5.29.1 release and the 5.29.2 |
| 10 | release. |
| 11 | |
| 12 | If you are upgrading from an earlier release such as 5.29.0, first read |
| 13 | L<perl5291delta>, which describes differences between 5.29.0 and 5.29.1. |
| 14 | |
| 15 | =head1 Core Enhancements |
| 16 | |
| 17 | =head2 Unicode 11.0 is supported |
| 18 | |
| 19 | For details, see L<https://www.unicode.org/versions/Unicode11.0.0/>. |
| 20 | |
| 21 | The Word_Break property, as in past Perl releases, remains tailored to |
| 22 | behave more in line with expectations of Perl users. This means that |
| 23 | sequential runs of horizontal white space characters are not broken |
| 24 | apart, but kept as a single run. Unicode 11 changed from past versions |
| 25 | to be more in line with Perl, but it left several white space characters |
| 26 | as causing breaks: TAB, NO BREAK SPACE, and FIGURE SPACE (U+2007). We |
| 27 | have decided to continue to use the previous Perl tailoring with regards |
| 28 | to these. |
| 29 | |
| 30 | As of July 2018, another aspect of Unicode 11.0 is causing problems, and |
| 31 | that is the changing the Georgian script to have both lower and |
| 32 | uppercase letters. It turns out that many devices do not have fonts |
| 33 | installed that can display the new uppercase letters, and people using |
| 34 | Georgian are finding their text more or less illegible. It is being |
| 35 | suggested that implementations delay their adoption of this portion of |
| 36 | 11.0. |
| 37 | |
| 38 | But since the next stable release of Perl is almost a year away, this |
| 39 | aspect of 11.0 is being left in, with the option to back it out if |
| 40 | things haven't improved by that time, or if we get too many complaints |
| 41 | about the development release being unusable for Georgian users. |
| 42 | |
| 43 | =head1 Modules and Pragmata |
| 44 | |
| 45 | =head2 Updated Modules and Pragmata |
| 46 | |
| 47 | =over 4 |
| 48 | |
| 49 | =item * |
| 50 | |
| 51 | L<Config::Extensions> has been upgraded from version 0.02 to 0.03. |
| 52 | |
| 53 | =item * |
| 54 | |
| 55 | L<Data::Dumper> has been upgraded from version 2.170 to 2.171. |
| 56 | |
| 57 | =item * |
| 58 | |
| 59 | L<File::Spec> has been upgraded from version 3.74 to 3.75. |
| 60 | |
| 61 | =item * |
| 62 | |
| 63 | L<Filter::Util::Call> has been upgraded from version 1.58 to 1.59. |
| 64 | |
| 65 | =item * |
| 66 | |
| 67 | L<HTTP::Tiny> has been upgraded from version 0.070 to 0.076. |
| 68 | |
| 69 | =item * |
| 70 | |
| 71 | L<Module::CoreList> has been upgraded from version 5.20180720 to 5.20180820. |
| 72 | |
| 73 | =item * |
| 74 | |
| 75 | L<PerlIO::scalar> has been upgraded from version 0.29 to 0.30. |
| 76 | |
| 77 | =item * |
| 78 | |
| 79 | L<Storable> has been upgraded from version 3.11 to 3.12. |
| 80 | |
| 81 | =item * |
| 82 | |
| 83 | L<Test::Simple> has been upgraded from version 1.302138 to 1.302140. |
| 84 | |
| 85 | =item * |
| 86 | |
| 87 | L<Time::HiRes> has been upgraded from version 1.9759 to 1.9760. |
| 88 | |
| 89 | =item * |
| 90 | |
| 91 | L<Time::Piece> has been upgraded from version 1.3204 to 1.33. |
| 92 | |
| 93 | =item * |
| 94 | |
| 95 | L<warnings> has been upgraded from version 1.42 to 1.43. |
| 96 | |
| 97 | =back |
| 98 | |
| 99 | =head2 Platform-Specific Notes |
| 100 | |
| 101 | =over 4 |
| 102 | |
| 103 | =item Win32 |
| 104 | |
| 105 | =over |
| 106 | |
| 107 | =item * |
| 108 | |
| 109 | C<sleep()> with warnings enabled for a C<USE_IMP_SYS> build no longer |
| 110 | warns about the sleep timeout being too large. [perl #133376] |
| 111 | |
| 112 | =back |
| 113 | |
| 114 | =back |
| 115 | |
| 116 | =head1 Selected Bug Fixes |
| 117 | |
| 118 | =over 4 |
| 119 | |
| 120 | =item * |
| 121 | |
| 122 | The new in-place editing code no longer leaks directory handles. [perl |
| 123 | #133314] |
| 124 | |
| 125 | =back |
| 126 | |
| 127 | =head1 Acknowledgements |
| 128 | |
| 129 | Perl 5.29.2 represents approximately 4 weeks of development since Perl |
| 130 | 5.29.1 and contains approximately 59,000 lines of changes across 240 files |
| 131 | from 15 authors. |
| 132 | |
| 133 | Excluding auto-generated files, documentation and release tools, there were |
| 134 | approximately 47,000 lines of changes to 130 .pm, .t, .c and .h files. |
| 135 | |
| 136 | Perl continues to flourish into its fourth decade thanks to a vibrant |
| 137 | community of users and developers. The following people are known to have |
| 138 | contributed the improvements that became Perl 5.29.2: |
| 139 | |
| 140 | Aaron Crane, Chad Granum, Chris 'BinGOs' Williams, Craig A. Berry, Daniel |
| 141 | Dragan, David Mitchell, H.Merijn Brand, James E Keenan, Karl Williamson, |
| 142 | Sawyer X, Sisyphus, Steve Hay, Tomasz Konojacki, Tony Cook, Unicode |
| 143 | Consortium. |
| 144 | |
| 145 | The list above is almost certainly incomplete as it is automatically |
| 146 | generated from version control history. In particular, it does not include |
| 147 | the names of the (very much appreciated) contributors who reported issues to |
| 148 | the Perl bug tracker. |
| 149 | |
| 150 | Many of the changes included in this version originated in the CPAN modules |
| 151 | included in Perl's core. We're grateful to the entire CPAN community for |
| 152 | helping Perl to flourish. |
| 153 | |
| 154 | For a more complete list of all of Perl's historical contributors, please |
| 155 | see the F<AUTHORS> file in the Perl source distribution. |
| 156 | |
| 157 | =head1 Reporting Bugs |
| 158 | |
| 159 | If you find what you think is a bug, you might check the perl bug database |
| 160 | at L<https://rt.perl.org/> . There may also be information at |
| 161 | L<http://www.perl.org/> , the Perl Home Page. |
| 162 | |
| 163 | If you believe you have an unreported bug, please run the L<perlbug> program |
| 164 | included with your release. Be sure to trim your bug down to a tiny but |
| 165 | sufficient test case. Your bug report, along with the output of C<perl -V>, |
| 166 | will be sent off to perlbug@perl.org to be analysed by the Perl porting team. |
| 167 | |
| 168 | If the bug you are reporting has security implications which make it |
| 169 | inappropriate to send to a publicly archived mailing list, then see |
| 170 | L<perlsec/SECURITY VULNERABILITY CONTACT INFORMATION> |
| 171 | for details of how to report the issue. |
| 172 | |
| 173 | =head1 Give Thanks |
| 174 | |
| 175 | If you wish to thank the Perl 5 Porters for the work we had done in Perl 5, |
| 176 | you can do so by running the C<perlthanks> program: |
| 177 | |
| 178 | perlthanks |
| 179 | |
| 180 | This will send an email to the Perl 5 Porters list with your show of thanks. |
| 181 | |
| 182 | =head1 SEE ALSO |
| 183 | |
| 184 | The F<Changes> file for an explanation of how to view exhaustive details on |
| 185 | what changed. |
| 186 | |
| 187 | The F<INSTALL> file for how to build Perl. |
| 188 | |
| 189 | The F<README> file for general stuff. |
| 190 | |
| 191 | The F<Artistic> and F<Copying> files for copyright information. |
| 192 | |
| 193 | =cut |