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HV_FETCH_ISSTORE and G_DISCARD have the same value

Needs Triage

Status: Open.

#24537 In Perl/perl5;

· mauke opened on Jul 5, 2026

Perl_hv_store is not defined on unthreaded perls

Status: Open.

#24535 In Perl/perl5;

· mauke opened on Jul 5, 2026

substr() on utf8 strings is orders of magnitude slower since 5.36

defer-next-devThis PR should not be merged yet, but await the next development cycleThis PR should not be merged yet, but await the next development cycle

Needs Triage

Status: Open.

#24531 In Perl/perl5;

· kaz-utashiro opened on Jul 3, 2026

Segmentation fault when subclassing (perlclass)

classIssues related to 'class' keyword or __CLASS__Issues related to 'class' keyword or __CLASS__

Status: Open.

#24517 In Perl/perl5;

· bbrtj opened on Jun 29, 2026

'//=' shortcut operator does not produce the same results as long form '//' operator

Needs Triage

Status: Open.

#24512 In Perl/perl5;

· trinus-user opened on Jun 28, 2026

PerlIO UTF-8 Throughput Performance via pp_sysread

Status: Open.

#24511 In Perl/perl5;

· chansen opened on Jun 26, 2026

[doc] The changes for Perl 5.44.0-RC1 discussion of entropy improvements

documentation

Needs Triage

Status: Open.

#24499 In Perl/perl5;

· robrwo opened on Jun 23, 2026

Assertion failure on EBCDIC boxes with a too-short UTF-8 malformation of non-char code points

Status: Open.

#24481 In Perl/perl5;

· khwilliamson opened on Jun 17, 2026

Can/should the output from S_setup_EXACTISH_ST be cached?

Needs Triage

type-regex

Status: Open.

#24480 In Perl/perl5;

· richardleach opened on Jun 17, 2026

Many "scalar" API functions (e.g. sv_setpvn()) crash on non-scalar SVs

Status: Open.

#24470 In Perl/perl5;

· leonerd opened on Jun 12, 2026

Many code paths don't defend against SVt_PVOBJ

Needs Triage

Status: Open.

#24469 In Perl/perl5;

· leonerd opened on Jun 12, 2026

map/grep {BLOCK} vs EXPR missed optimisations

Status: Open.

#24468 In Perl/perl5;

· leonerd opened on Jun 11, 2026