Ruby Issue Tracking System

04/01/2026

02:26 AM Ruby Feature #21972: Add Date.birthday and Date.age to track Ruby's milestones

jinroq (Jinroq SAITOH) wrote in #note-4:
> > Under current Japanese law, a person's age increases at midnight on the day before their birthday. However, it might be better to use the traditional 'Kazeidoshi' (East Asian age reckoning) ... shugo (Shugo Maeda)

03/31/2026

11:09 PM Ruby Feature #21972: Add Date.birthday and Date.age to track Ruby's milestones

Under current Japanese law, a person's age increases at midnight on the day before their birthday. However, it might be better to use the traditional 'Kazeidoshi' (East Asian age reckoning) system, as its logic is much simpler. shugo (Shugo Maeda)

01/13/2026

06:10 AM Ruby Feature #21788: Promote Thread::Monitor to a core class

I am neutral on whether to make `monitor` built-in partially or fully, but backward compatibility for code that calls `require 'monitor'` should be maintained.
Speaking of MonitorMixin, it's just a shorthand form inspired by Java's `s... shugo (Shugo Maeda)

01/05/2026

02:49 AM Ruby Revision e6762d23 (git): [DOC] Fix a typo and trim trailing whitespace per .editorconfig

shugo (Shugo Maeda)

12/13/2025

04:52 AM Ruby Revision 71dd2725 (git): Remove useless rb_check_arity() calls

shugo (Shugo Maeda)

12/11/2025

09:00 AM Ruby Revision 240e7999 (git): [DOC] Update NEWS for `*selectors` arguments added to `String#strip` etc.

shugo (Shugo Maeda)

08:35 AM Ruby Feature #21552 (Closed): allow String.strip and similar to take a parameter similar to String.delete

Applied in changeset commit:git|c76ba839b153805f0498229284fea1a809308dbc.
----------
Allow String#strip etc. to take optional character selectors
[Feature #21552]
Co-Authored-By: Claude <noreply@anthropic.com> shugo (Shugo Maeda)

08:34 AM Ruby Revision c76ba839 (git): Allow String#strip etc. to take optional character selectors

[Feature #21552]
Co-Authored-By: Claude <noreply@anthropic.com> shugo (Shugo Maeda)

12/10/2025

06:28 AM Ruby Feature #21552: allow String.strip and similar to take a parameter similar to String.delete

tr_setup_table_multi() was called twice in String#{strip,strip!}, so I've fixed it: https://github.com/ruby/ruby/pull/15400/commits/c9cb93f201644cd5e2fbbd6e83cf50acb27642de
### Benchmark
https://gist.github.com/shugo/c6367f4139bc2d... shugo (Shugo Maeda)

12/05/2025

02:26 AM Ruby Feature #21552: allow String.strip and similar to take a parameter similar to String.delete

shugo (Shugo Maeda) wrote in #note-4:
> Unlike String#delete, the current implementation doesn't take multiple arguments.
> ...
I've noticed that String#count also take multiple selectors, so I've applied the same changes to String#str... shugo (Shugo Maeda)