{ "content": [ { "type": "text", "text": "# PERL5282DELTA (man)\n\n## NAME\n\nperl5282delta - what is new for perl v5.28.2\n\n## DESCRIPTION\n\nThis document describes differences between the 5.28.1 release and the 5.28.2 release.\n\n## Sections\n\n- **NAME**\n- **DESCRIPTION** (7 subsections)\n- **Acknowledgements** (2 subsections)\n- **SEE ALSO**\n\nUse structuredContent.sections for detailed options, examples, and full documentation.\n" } ], "structuredContent": { "command": "PERL5282DELTA", "section": "", "mode": "man", "summary": "perl5282delta - what is new for perl v5.28.2", "synopsis": null, "tldr_summary": null, "tldr_examples": [], "tldr_source": null, "flags": [], "examples": [], "see_also": [], "section_outline": [ { "name": "NAME", "lines": 2, "subsections": [] }, { "name": "DESCRIPTION", "lines": 5, "subsections": [ { "name": "Incompatible Changes", "lines": 1 }, { "name": "Any set of digits in the Common script are legal in a script run of another script", "lines": 11 }, { "name": "Modules and Pragmata", "lines": 1 }, { "name": "Updated Modules and Pragmata", "lines": 6 }, { "name": "Platform Support", "lines": 1 }, { "name": "Platform-Specific Notes", "lines": 19 }, { "name": "Selected Bug Fixes", "lines": 34 } ] }, { "name": "Acknowledgements", "lines": 23, "subsections": [ { "name": "Reporting Bugs", "lines": 13 }, { "name": "Give Thanks", "lines": 7 } ] }, { "name": "SEE ALSO", "lines": 11, "subsections": [] } ], "sections": { "NAME": { "content": "perl5282delta - what is new for perl v5.28.2\n", "subsections": [] }, "DESCRIPTION": { "content": "This document describes differences between the 5.28.1 release and the 5.28.2 release.\n\nIf you are upgrading from an earlier release such as 5.28.0, first read perl5281delta, which\ndescribes differences between 5.28.0 and 5.28.1.\n", "subsections": [ { "name": "Incompatible Changes", "content": "" }, { "name": "Any set of digits in the Common script are legal in a script run of another script", "content": "There are several sets of digits in the Common script. \"[0-9]\" is the most familiar. But\nthere are also \"[\\x{FF10}-\\x{FF19}]\" (FULLWIDTH DIGIT ZERO - FULLWIDTH DIGIT NINE), and\nseveral sets for use in mathematical notation, such as the MATHEMATICAL DOUBLE-STRUCK DIGITs.\nAny of these sets should be able to appear in script runs of, say, Greek. But the previous\ndesign overlooked all but the ASCII digits \"[0-9]\", so the design was flawed. This has been\nfixed, so is both a bug fix and an incompatibility.\n\nAll digits in a run still have to come from the same set of ten digits.\n\n[GH #16704] \n" }, { "name": "Modules and Pragmata", "content": "" }, { "name": "Updated Modules and Pragmata", "content": "• Module::CoreList has been upgraded from version 5.2018112928 to 5.20190419.\n\n• PerlIO::scalar has been upgraded from version 0.29 to 0.30.\n\n• Storable has been upgraded from version 3.08 to 3.0801.\n" }, { "name": "Platform Support", "content": "" }, { "name": "Platform-Specific Notes", "content": "Windows\nThe Windows Server 2003 SP1 Platform SDK build, with its early x64 compiler and tools,\nwas accidentally broken in Perl 5.27.9. This has now been fixed.\n\nMac OS X\nPerl's build and testing process on Mac OS X for \"-Duseshrplib\" builds is now compatible\nwith Mac OS X System Integrity Protection (SIP).\n\nSIP prevents binaries in /bin (and a few other places) being passed the\n\"DYLDLIBRARYPATH\" environment variable. For our purposes this prevents\n\"DYLDLIBRARYPATH\" from being passed to the shell, which prevents that variable being\npassed to the testing or build process, so running \"perl\" couldn't find libperl.dylib.\n\nTo work around that, the initial build of the perl executable expects to find\nlibperl.dylib in the build directory, and the library path is then adjusted during\ninstallation to point to the installed library.\n\n[GH #15057] \n" }, { "name": "Selected Bug Fixes", "content": "• If an in-place edit is still in progress during global destruction and the process exit\ncode (as stored in $?) is zero, perl will now treat the in-place edit as successful,\nreplacing the input file with any output produced.\n\nThis allows code like:\n\nperl -i -ne 'print \"Foo\"; last'\n\nto replace the input file, while code like:\n\nperl -i -ne 'print \"Foo\"; die'\n\nwill not. Partly resolves [perl #133659].\n\n[GH #16748] \n\n• A regression in Perl 5.28 caused the following code to fail\n\nclose(STDIN); open(CHILD, \"|wc -l\")'\n\nbecause the child's stdin would be closed on exec. This has now been fixed.\n\n• \"pack \"u\", \"invalid uuencoding\"\" now properly NUL terminates the zero-length SV produced.\n\n[GH #16343] \n\n• Failing to compile a format now aborts compilation. Like other errors in sub-parses this\ncould leave the parser in a strange state, possibly crashing perl if compilation\ncontinued.\n\n[GH #16169] \n\n• See \"Any set of digits in the Common script are legal in a script run of another script\".\n" } ] }, "Acknowledgements": { "content": "Perl 5.28.2 represents approximately 4 months of development since Perl 5.28.1 and contains\napproximately 2,500 lines of changes across 75 files from 13 authors.\n\nExcluding auto-generated files, documentation and release tools, there were approximately\n1,200 lines of changes to 29 .pm, .t, .c and .h files.\n\nPerl continues to flourish into its fourth decade thanks to a vibrant community of users and\ndevelopers. The following people are known to have contributed the improvements that became\nPerl 5.28.2:\n\nAaron Crane, Abigail, Andy Dougherty, David Mitchell, Karen Etheridge, Karl Williamson, Leon\nTimmermans, Nicolas R., Sawyer X, Steve Hay, Tina Müller, Tony Cook, Zak B. Elep.\n\nThe list above is almost certainly incomplete as it is automatically generated from version\ncontrol history. In particular, it does not include the names of the (very much appreciated)\ncontributors who reported issues to the Perl bug tracker.\n\nMany of the changes included in this version originated in the CPAN modules included in\nPerl's core. We're grateful to the entire CPAN community for helping Perl to flourish.\n\nFor a more complete list of all of Perl's historical contributors, please see the AUTHORS\nfile in the Perl source distribution.\n", "subsections": [ { "name": "Reporting Bugs", "content": "If you find what you think is a bug, you might check the perl bug database at\n . There may also be information at , the Perl\nHome Page.\n\nIf you believe you have an unreported bug, please run the perlbug program included with your\nrelease. Be sure to trim your bug down to a tiny but sufficient test case. Your bug report,\nalong with the output of \"perl -V\", will be sent off to perlbug@perl.org to be analysed by\nthe Perl porting team.\n\nIf the bug you are reporting has security implications which make it inappropriate to send to\na publicly archived mailing list, then see \"SECURITY VULNERABILITY CONTACT INFORMATION\" in\nperlsec for details of how to report the issue.\n" }, { "name": "Give Thanks", "content": "If you wish to thank the Perl 5 Porters for the work we had done in Perl 5, you can do so by\nrunning the \"perlthanks\" program:\n\nperlthanks\n\nThis will send an email to the Perl 5 Porters list with your show of thanks.\n" } ] }, "SEE ALSO": { "content": "The Changes file for an explanation of how to view exhaustive details on what changed.\n\nThe INSTALL file for how to build Perl.\n\nThe README file for general stuff.\n\nThe Artistic and Copying files for copyright information.\n\n\n\nperl v5.34.0 2026-06-23 PERL5282DELTA(1)", "subsections": [] } } } }