| 1 | =encoding utf8 |
| 2 | |
| 3 | =head1 NAME |
| 4 | |
| 5 | perl5124delta - what is new for perl v5.12.4 |
| 6 | |
| 7 | =head1 DESCRIPTION |
| 8 | |
| 9 | This document describes differences between the 5.12.3 release and |
| 10 | the 5.12.4 release. |
| 11 | |
| 12 | If you are upgrading from an earlier release such as 5.12.2, first read |
| 13 | L<perl5123delta>, which describes differences between 5.12.2 |
| 14 | and 5.12.3. The major changes made in 5.12.0 are described in L<perl5120delta>. |
| 15 | |
| 16 | =head1 Incompatible Changes |
| 17 | |
| 18 | There are no changes intentionally incompatible with 5.12.3. If any |
| 19 | exist, they are bugs and reports are welcome. |
| 20 | |
| 21 | =head1 Selected Bug Fixes |
| 22 | |
| 23 | When strict "refs" mode is off, C<%{...}> in rvalue context returns |
| 24 | C<undef> if its argument is undefined. An optimisation introduced in Perl |
| 25 | 5.12.0 to make C<keys %{...}> faster when used as a boolean did not take |
| 26 | this into account, causing C<keys %{+undef}> (and C<keys %$foo> when |
| 27 | C<$foo> is undefined) to be an error, which it should be so in strict |
| 28 | mode only [perl #81750]. |
| 29 | |
| 30 | C<lc>, C<uc>, C<lcfirst>, and C<ucfirst> no longer return untainted strings |
| 31 | when the argument is tainted. This has been broken since perl 5.8.9 |
| 32 | [perl #87336]. |
| 33 | |
| 34 | Fixed a case where it was possible that a freed buffer may have been read |
| 35 | from when parsing a here document. |
| 36 | |
| 37 | =head1 Modules and Pragmata |
| 38 | |
| 39 | L<Module::CoreList> has been upgraded from version 2.43 to 2.50. |
| 40 | |
| 41 | =head1 Testing |
| 42 | |
| 43 | The F<cpan/CGI/t/http.t> test script has been fixed to work when the |
| 44 | environment has HTTPS_* environment variables, such as HTTPS_PROXY. |
| 45 | |
| 46 | =head1 Documentation |
| 47 | |
| 48 | Updated the documentation for rand() in L<perlfunc> to note that it is not |
| 49 | cryptographically secure. |
| 50 | |
| 51 | =head1 Platform Specific Notes |
| 52 | |
| 53 | =over 4 |
| 54 | |
| 55 | =item Linux |
| 56 | |
| 57 | Support Ubuntu 11.04's new multi-arch library layout. |
| 58 | |
| 59 | =back |
| 60 | |
| 61 | =head1 Acknowledgements |
| 62 | |
| 63 | Perl 5.12.4 represents approximately 5 months of development since |
| 64 | Perl 5.12.3 and contains approximately 200 lines of changes across |
| 65 | 11 files from 8 authors. |
| 66 | |
| 67 | Perl continues to flourish into its third decade thanks to a vibrant |
| 68 | community of users and developers. The following people are known to |
| 69 | have contributed the improvements that became Perl 5.12.4: |
| 70 | |
| 71 | Andy Dougherty, David Golden, David Leadbeater, Father Chrysostomos, |
| 72 | Florian Ragwitz, Jesse Vincent, Leon Brocard, Zsbán Ambrus. |
| 73 | |
| 74 | =head1 Reporting Bugs |
| 75 | |
| 76 | If you find what you think is a bug, you might check the articles |
| 77 | recently posted to the comp.lang.perl.misc newsgroup and the perl |
| 78 | bug database at http://rt.perl.org/perlbug/ . There may also be |
| 79 | information at http://www.perl.org/ , the Perl Home Page. |
| 80 | |
| 81 | If you believe you have an unreported bug, please run the B<perlbug> |
| 82 | program included with your release. Be sure to trim your bug down |
| 83 | to a tiny but sufficient test case. Your bug report, along with the |
| 84 | output of C<perl -V>, will be sent off to perlbug@perl.org to be |
| 85 | analysed by the Perl porting team. |
| 86 | |
| 87 | If the bug you are reporting has security implications, which make it |
| 88 | inappropriate to send to a publicly archived mailing list, then please send |
| 89 | it to perl5-security-report@perl.org. This points to a closed subscription |
| 90 | unarchived mailing list, which includes all the core committers, who be able |
| 91 | to help assess the impact of issues, figure out a resolution, and help |
| 92 | co-ordinate the release of patches to mitigate or fix the problem across all |
| 93 | platforms on which Perl is supported. Please only use this address for |
| 94 | security issues in the Perl core, not for modules independently |
| 95 | distributed on CPAN. |
| 96 | |
| 97 | =head1 SEE ALSO |
| 98 | |
| 99 | The F<Changes> file for an explanation of how to view exhaustive details |
| 100 | on what changed. |
| 101 | |
| 102 | The F<INSTALL> file for how to build Perl. |
| 103 | |
| 104 | The F<README> file for general stuff. |
| 105 | |
| 106 | The F<Artistic> and F<Copying> files for copyright information. |
| 107 | |
| 108 | =cut |