Issues

• '$x isa $class' is slower than 'blessed($x) && $x->isa($class)' in 5.42

  Needs Triage
  Perl/perl5#24997 · Filter by author djerius opened on Oct 22, 2026
  3

• regex works without strict but fails under use strict

  Bugtype-regex
  Perl/perl5#24977 · Filter by author mauke opened on Oct 19, 2026
  11

• BBC: Blead Breaks ifdef

  documentationNot a BugsendToCPAN
  Perl/perl5#24975 · Filter by author cjg-cguevara opened on Oct 18, 2026
  6

  

• Need something about modules with XS code and ccflags

  Perl/perl5#24972 · Filter by author khwilliamson opened on Oct 16, 2026

• Plausible TRIE folding bugs (found by Claude)

  Needs Triagetype-regex
  Perl/perl5#24971 · Filter by author richardleach opened on Oct 16, 2026
  1

• dist/Devel-PPPort/t/testutil.pl: Why is last SKIP; commented-out?

  awaiting responsebuild toolingdist-Devel-PPPort
  Perl/perl5#24954 · Filter by author jkeenan opened on Oct 12, 2026
  3

• BBC: Blead Breaks Test::HTTP::Response

  BBCsendToCPAN
  Perl/perl5#24951 · Filter by author cjg-cguevara opened on Oct 11, 2026
  2

  

• [doc] Incorrect statement about goto in perlsyn.pod

  documentation
  Perl/perl5#24949 · Filter by author Keith-S-Thompson opened on Oct 11, 2026
  1

• S_glob_assign_glob reads its source after LEAVE may have freed it (*x = $x)

  Perl/perl5#24942 · Filter by author biecho opened on Oct 11, 2026
  2

• keyword int() does not return an integer for value NaN

  Needs Triage
  Perl/perl5#24940 · Filter by author bulk88 opened on Oct 11, 2026
  3

• PPPort: test failure under -Accflags=-DPERL_RC_STACK build

  dist-Devel-PPPort
  Perl/perl5#24938 · Filter by author jkeenan opened on Oct 11, 2026
  3

• Add a start-octet filter for case-insensitive Aho-Corasick patterns

  Perl/perl5#24935 · Filter by author demerphq opened on Oct 10, 2026

• Octet-trie fallout: Aho-Corasick scanning slowdown and folded /g hang

  Perl/perl5#24934 · Filter by author demerphq opened on Oct 10, 2026

• BBC: bleadperl 5.43.8 broke NHORNE/App-Test-Generator-0.47.tar.gz

  assertion failureBBC
  Perl/perl5#24933 · Filter by author andk opened on Oct 10, 2026
  3

• sv.c: Perl_sv_len_utf8_nomg() vivifies MAGIC* obj that is owned by the C Stack (leak)

  Needs Triage
  Perl/perl5#24931 · Filter by author bulk88 opened on Oct 9, 2026

• BBC: Blead Breaks Test2::Tools::TypeTiny

  BBCsendToCPAN
  Perl/perl5#24911 · Filter by author cjg-cguevara opened on Oct 6, 2026
  3

  

• BBC: Blead breaks Devel-Scope-0.12

  BBCsendToCPAN
  Perl/perl5#24909 · Filter by author andk opened on Oct 6, 2026
  3

  

• BBC: Blead Breaks JSON::String

  BBCsendToCPAN
  Perl/perl5#24895 · Filter by author cjg-cguevara opened on Oct 3, 2026
  3

  

• BBC: Blead Breaks Scope::Upper

  BBCsendToCPAN
  Perl/perl5#24890 · Filter by author cjg-cguevara opened on Oct 2, 2026
  4

  

• BBC: Blead Breaks Test::Fork

  BBCsendToCPAN
  Perl/perl5#24889 · Filter by author cjg-cguevara opened on Oct 2, 2026
  3

  

• BBC: Blead Breaks Fennec::Lite

  BBCsendToCPAN
  Perl/perl5#24888 · Filter by author cjg-cguevara opened on Oct 2, 2026
  2

  

• A child created by open(FH, '|-') cannot read its STDIN if the parent read STDIN to EOF first

  Perl/perl5#24884 · Filter by author kaz-utashiro opened on Oct 1, 2026
  

• Encoding layers accumulate without bound on the standard filehandles when redirected and restored with open FH, '>&', ...

  Needs Triage
  Perl/perl5#24883 · Filter by author kaz-utashiro opened on Oct 1, 2026
  1

• [META] BBC resulting from ffa804c "Note (yyl_leftcurly) & restore (newATTRSUB_x) line numbers for anon subs"

  BBC
  Perl/perl5#24876 · Filter by author richardleach opened on Sep 30, 2026
  7

  

• Reading @- / @+ after a utf8 match is orders of magnitude slower than pos()

  Needs Triage
  Perl/perl5#24872 · Filter by author kaz-utashiro opened on Sep 29, 2026