Perl/perl5

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🐪 The Perl programming language

Stars: 2.3k
Forks: 646
Open beginner issues: 7
Indexed issues: 2.2k
Avg merge: 2d 22h
Merged PRs (30d): 49

Dominant language: Perl
License: No license data
Last GitHub push: Sep 19, 2026
Latest indexed: Sep 20, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

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2,189 open issues indexed

lib/locale_threads.t hanging indefinitely on FreeBSD and Mac Open

distro-darwin distro-freebsd Needs Triage Release Blocker type-locale type-threads

Difficulty 4/5 3-5 days Newbie friendliness 48/100

Perl/perl5#24844 · Opened Sep 20, 2026
evalbytes does not work with sourcefilters, contrary to what documentation implies Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

Perl/perl5#24840 · 4 comments · Opened Sep 18, 2026
BBC: Blead Breaks Util::Underscore Open

BBC sendToCPAN

Perl/perl5#24834 · 9 comments · 1 assignee · Opened Sep 17, 2026
Prototype for CORE::any is incorrect Open

Needs Triage

Difficulty 3/5 1-2 days Newbie friendliness 68/100

Perl/perl5#24830 · 1 comment · Opened Sep 16, 2026
BBC: Blead Breaks B::Utils Open

BBC

Perl/perl5#24827 · 4 comments · 1 assignee · Opened Sep 16, 2026
BBC: Blead Breaks Feature::Compat::Defer Open

BBC

Perl/perl5#24826 · 5 comments · 1 assignee · Opened Sep 16, 2026
BBC: Blead Breaks Number::Phone Open

BBC

Difficulty 4/5 3-5 days Newbie friendliness 42/100

Perl/perl5#24818 · 5 comments · Opened Sep 14, 2026
Non-deterministic failures of re/regexp_qr.t and re/regexp_qr_embed.t on Windows and Cygwin in GitHub Actions Open

type-regex

Perl/perl5#24816 · 7 comments · 1 assignee · Opened Sep 13, 2026
Parse error with undef. Open

Feature Request Not a Bug Unfortunate Language Design Misfeature

Difficulty 4/5 3-5 days Newbie friendliness 48/100

Perl/perl5#24812 · 10 comments · Opened Sep 12, 2026
Cwd::abs_path (aka Cwd:realpath) doesn't die as it should and fails to canonicalize right on trailing newline Open

Needs Triage

Difficulty 3/5 1-2 days Newbie friendliness 58/100

Perl/perl5#24806 · 3 comments · Opened Sep 10, 2026
Data::Dumper:: class of blessed object is in single quotes even when Useqq is true Open

Needs Triage

Difficulty 3/5 1-2 days Newbie friendliness 64/100

Perl/perl5#24795 · Opened Sep 5, 2026
BBC: Blead breaks Text-Beautify-0.08 Open

BBC

Difficulty 4/5 3-5 days Newbie friendliness 45/100

Perl/perl5#24789 · 4 comments · Opened Sep 2, 2026
BBC: Blead Breaks XS::Parse::Sublike Open

BBC

Difficulty 4/5 3-5 days Newbie friendliness 35/100

Perl/perl5#24773 · 9 comments · Opened Aug 28, 2026
[5.45.2] lib/locale_threads.t failure on Cygwin threaded builds Open

distro-cygwin

Difficulty 4/5 3-5 days Newbie friendliness 42/100

Perl/perl5#24755 · 11 comments · Opened Aug 25, 2026
BBC: Devel-Cover failing two tests against perl-5.45.2 Open

BBC

Perl/perl5#24745 · 6 comments · 1 assignee · Opened Aug 21, 2026
[EXPERIMENT] Scalar Value Magic Open

experiment

Difficulty 5/5 Over a week Newbie friendliness 20/100

Perl/perl5#24735 · Opened Aug 20, 2026
t/op/glob.t: On Aarch64 Linux, unexpected test failure in non-debugging build Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

Perl/perl5#24726 · 4 comments · Opened Aug 18, 2026
Enabling thread local storage on Darwin Open

Needs Triage

Difficulty 4/5 3-5 days Newbie friendliness 45/100

Perl/perl5#24711 · 3 comments · Opened Aug 15, 2026
Re-enabling the use of nm on Darwin Open

distro-darwin

Difficulty 4/5 3-5 days Newbie friendliness 48/100

Perl/perl5#24684 · 2 comments · Opened Aug 11, 2026
Build process unable to cope with a space in path to source directory Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

Perl/perl5#24670 · 8 comments · Opened Aug 7, 2026
Core booleans are slow and take more memory Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

Perl/perl5#24649 · 3 comments · Opened Jul 31, 2026
TARGMY reftype doesn't invoke set magic when supplied a non-reference Open

Needs Triage

Difficulty 4/5 3-5 days Newbie friendliness 48/100

Perl/perl5#24634 · Opened Jul 29, 2026
t/run/runenv_randseed.t fails on legacy Darwin Open

distro-darwin Needs Triage

Difficulty 4/5 3-5 days Newbie friendliness 48/100

Perl/perl5#24618 · 6 comments · Opened Jul 27, 2026
getc: It is not possible to distinguish EOF condition and I/O error Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

Perl/perl5#24613 · 7 comments · Opened Jul 26, 2026
Need to resolve status of undocumented exposed-to-XS symbols Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

Perl/perl5#24593 · 5 comments · Opened Jul 22, 2026
Base default typemap is core-only Open

dist-ExtUtils-ParseXS

Difficulty 4/5 3-5 days Newbie friendliness 45/100

Perl/perl5#24591 · 1 comment · Opened Jul 22, 2026
the default typemap doesn't always correctly handle get magic Open

Needs Triage

Difficulty 4/5 3-5 days Newbie friendliness 55/100

Perl/perl5#24589 · 2 comments · Opened Jul 22, 2026
Dynaloader.pm execs "push(@dl_library_path, $ENV{''});" on all Win32 Perls, related: $Config::Config{ldlibpthname} Open

distro-mswin32

Difficulty 3/5 1-2 days Newbie friendliness 52/100

Perl/perl5#24582 · 6 comments · Opened Jul 20, 2026
"class" feature: Unable to fatalize odd number of parameters warning Open

class

Difficulty 4/5 3-5 days Newbie friendliness 45/100

Perl/perl5#24578 · 4 comments · Opened Jul 16, 2026
cpan/ExtUtils-MakeMaker/t/03-xsstatic.t: intermittent test failure on -DDEBUGGING builds Open

Needs Triage

Difficulty 4/5 3-5 days Newbie friendliness 45/100

Perl/perl5#24561 · 2 comments · Opened Jul 16, 2026
attributes::->import() leaks memory Open

Needs Triage

Difficulty 4/5 3-5 days Newbie friendliness 45/100

Perl/perl5#24550 · Opened Jul 9, 2026
Perl_hv_store is not defined on unthreaded perls Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

Perl/perl5#24535 · 10 comments · Opened Jul 5, 2026
substr() on utf8 strings is orders of magnitude slower since 5.36 Open

LLM contribution Needs Triage

Difficulty 4/5 3-5 days Newbie friendliness 48/100

Perl/perl5#24531 · 2 comments · Opened Jul 3, 2026
'//=' shortcut operator does not produce the same results as long form '//' operator Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

Perl/perl5#24512 · 9 comments · Opened Jun 28, 2026
PerlIO UTF-8 Throughput Performance via pp_sysread Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

Perl/perl5#24511 · 18 comments · Opened Jun 26, 2026
Assertion failure on EBCDIC boxes with a too-short UTF-8 malformation of non-char code points Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

Perl/perl5#24481 · 1 comment · Opened Jun 17, 2026
Can/should the output from S_setup_EXACTISH_ST be cached? Open

type-regex

Difficulty 4/5 3-5 days Newbie friendliness 45/100

Perl/perl5#24480 · 3 comments · Opened Jun 17, 2026
Many "scalar" API functions (e.g. `sv_setpvn()`) crash on non-scalar SVs Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

Perl/perl5#24470 · 3 comments · Opened Jun 12, 2026
Many code paths don't defend against `SVt_PVOBJ` Open

Needs Triage

Difficulty 4/5 3-5 days Newbie friendliness 42/100

Perl/perl5#24469 · 2 comments · Opened Jun 12, 2026
map/grep {BLOCK} vs EXPR missed optimisations Open

Difficulty 5/5 Over a week Newbie friendliness 42/100

Perl/perl5#24468 · 2 comments · 1 reaction · Opened Jun 11, 2026
[doc] Changelog for Exporter 5.79 Open

documentation

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

Perl/perl5#24466 · 2 comments · Opened Jun 10, 2026
fields collide if added after deriving a subclass Open

class

Difficulty 4/5 3-5 days Newbie friendliness 45/100

Perl/perl5#24393 · 1 comment · Opened Apr 26, 2026
POSIX should export SEEK_DATA and SEEK_HOLE Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

Perl/perl5#24386 · 2 comments · Opened Apr 21, 2026
BBC: f0d0855037 broke B-Tag -- 7 years ago Open

BBC Stalled

Difficulty 4/5 3-5 days Newbie friendliness 50/100

Perl/perl5#24385 · 1 comment · Opened Apr 20, 2026
BBC: 209bfe369d triggers build-time failure in Cache-utLRU -- but only when compiled with gcc Open

BBC sendToCPAN

Difficulty 4/5 3-5 days Newbie friendliness 45/100

Perl/perl5#24382 · 2 comments · Opened Apr 20, 2026
Shorten "perl --version" output Open

Feature Request

Difficulty 3/5 1-2 days Newbie friendliness 48/100

Perl/perl5#24358 · 17 comments · Opened Apr 11, 2026
BBC: Blead Breaks Clone::AsUTF8Bytes Open

BBC sendToCPAN

Perl/perl5#24341 · 18 comments · 1 assignee · Opened Apr 2, 2026
`use overload "!"` is only called by `until` Open

Needs Triage

Difficulty 4/5 3-5 days Newbie friendliness 38/100

Perl/perl5#24320 · 2 comments · Opened Mar 25, 2026
sv_streq_flags() API doesn't skip "" overloading with SV_SKIP_OVERLOAD Open

Needs Triage

Difficulty 4/5 3-5 days Newbie friendliness 48/100

Perl/perl5#24319 · Opened Mar 25, 2026
[doc] salt generation in perlfunc/crypt Open

documentation

Difficulty 1/5 Under an hour Newbie friendliness 55/100

Perl/perl5#24303 · 2 comments · 1 reaction · Opened Mar 20, 2026

Perl/perl5

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