Ruby Issue Tracking System

11/05/2026

03:59 AM Ruby Revision aca385b2 (git): [ruby/mmtk] Wait for a pending GC before re-disabling GC after GC.start

GC.start runs even while GC is disabled, so mmtk_handle_user_collection_request
enables GC around the collection and disables it again afterward. While GC is
enabled, another Ractor's GC.start can request a GC that hasn't run yet when
th... k0kubun (Takashi Kokubun)

11/04/2026

02:21 AM Ruby Bug #22504: Empty keyword hash mishandled when calling a Method proc through the C API

merged https://github.com/ruby/ruby/pull/19607 to master k0kubun (Takashi Kokubun)

02:18 AM Ruby Bug #22504 (Closed): Empty keyword hash mishandled when calling a Method proc through the C API

k0kubun (Takashi Kokubun)

01:45 AM Ruby Revision 15348cf7 (git): ZJIT: Fix an stale HIR snapshot after merge race

https://github.com/ruby/ruby/pull/19044 was filed before the exit got a
recompile flag. k0kubun (Takashi Kokubun)

12:57 AM Ruby Revision 808ee936 (git): Trigger docker-library/ruby's update workflow on release (#19690)

docker-library/ruby now has a workflow_dispatch-triggered workflow
(docker-library/ruby#532) that runs ./update.sh for a released Ruby
version, builds and tests the result, and pushes it to its master
branch. Dispatch it from publish.yml... k0kubun (Takashi Kokubun)

11/03/2026

07:56 PM Ruby Misc #22417: DevMeeting-2026-11-12

* [Misc #22502] Clarify whether compiling an untrusted string into a Regexp is supported (k0kubun)
* Should memory corruption from untrusted Regexp patterns be a vulnerability? I'd like to hear opinions on what to document, and on w... k0kubun (Takashi Kokubun)

07:50 PM Ruby Misc #22502 (Open): Clarify whether compiling an untrusted string into a Regexp is supported

## Proposal
Decide whether compiling an untrusted string into a Regexp is a supported use case, and document the decision.
* If it's not supported:
* Document it in `Regexp.new` and [doc/security/security.rdoc](https://docs.ru... k0kubun (Takashi Kokubun)

01:38 AM Ruby Revision 2bc6f9a6 (git): Rewrite Array#each_index in Ruby (#19627)

k0kubun (Takashi Kokubun)

10/31/2026

12:48 PM Ruby Revision 8b8d1d94 (git): Add a missing dependency

https://github.com/ruby/ruby/pull/19622
(cherry picked from commit 95a0b20120f5f2cc4b463195d76d5de83c5db791) k0kubun (Takashi Kokubun)

10/30/2026

04:07 PM Ruby Revision 95a0b201 (git): Add a missing dependency

https://github.com/ruby/ruby/pull/19622 k0kubun (Takashi Kokubun)