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Persistent HashMap uses None as internal 'not found' sentinel, conflicting with value types that include None

discuss during syncShould be discussed during an upcoming syncShould be discussed during an upcoming sync

Status: Open.

#4833 In ponylang/ponyc;

· SeanTAllen opened on Feb 13, 2026

Should Array.copy_from() and Array.copy_to() be partial?

discuss during syncShould be discussed during an upcoming syncShould be discussed during an upcoming sync

Status: Open.

#4832 In ponylang/ponyc;

· redvers opened on Feb 12, 2026

Release 0.60.7

Status: Open.

#4808 In ponylang/ponyc;

· SeanTAllen opened on Feb 6, 2026

Segfault (from gc.c) when matching on union of <code>(A iso | B val)</code>

triggers releaseMajor issue that when fixed, results in an "emergency" releaseMajor issue that when fixed, results in an "emergency" release

Status: Open.

Bug

#4807 In ponylang/ponyc;

· nisanharamati opened on Feb 6, 2026

Embedded LLD

help wantedExtra attention is neededExtra attention is needed

Status: Open.

Feature

#4784 In ponylang/ponyc;

· SeanTAllen opened on Jan 20, 2026

Can't build ponyc distribution on FreeBSD

needs discussionNeeds to be discussed furtherNeeds to be discussed further

Status: Open.

Bug

#4780 In ponylang/ponyc;

· SeanTAllen opened on Jan 13, 2026

use "path" scheme only updates library search path not packages

needs discussionNeeds to be discussed furtherNeeds to be discussed further

Status: Open.

Bug

#4779 In ponylang/ponyc;

· SeanTAllen opened on Jan 12, 2026

Add DTrace Support of MacOS

help wantedExtra attention is neededExtra attention is needed

needs investigationThis needs to be looked into before its "ready for work"This needs to be looked into before its "ready for work"

Status: Open.

Feature

#4758 In ponylang/ponyc;

· SeanTAllen opened on Oct 22, 2025

Setup CI to use Flight Recorder

good first issueGood for newcomersGood for newcomers

help wantedExtra attention is neededExtra attention is needed

Status: Open.

Task

#4705 In ponylang/ponyc;

· SeanTAllen opened on May 7, 2025

Grammar railroad diagram

good first issueGood for newcomersGood for newcomers

help wantedExtra attention is neededExtra attention is needed

Status: Open.

Task

#4645 In ponylang/ponyc;

· mingodad opened on Mar 4, 2025

String find/rfind change (RFC #80)

good first issueGood for newcomersGood for newcomers

help wantedExtra attention is neededExtra attention is needed

Status: Open.

Feature

#4587 In ponylang/ponyc;

· SeanTAllen opened on Jan 16, 2025

Compile error when a function branch always returns early

discuss during syncShould be discussed during an upcoming syncShould be discussed during an upcoming sync

good first issueGood for newcomersGood for newcomers

help wantedExtra attention is neededExtra attention is needed

Status: Open.

Bug

#4565 In ponylang/ponyc;

· junetried opened on Dec 4, 2024