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k0kubun (Takashi Kokubun)

Issues

open closed Total
Assigned issues 4 112 116
Reported issues 1 78 79

Projects

Project Roles Registered on
Ruby Committer, Release Manager 05/15/2017

Activity

Today

05:20 PM Ruby Revision 20eeb720 (git): Commit a diff shown on check_misc
https://github.com/ruby/ruby/actions/runs/22316806245/job/64563939588
Local `make update-man-date` generates nothing but CI complains about
it, so just pushing this diff to make it happy.
k0kubun (Takashi Kokubun)

02/10/2026

06:46 PM Ruby Revision f3bfffe8 (git): ZJIT: Avoid runtime exceptions from RubyVM::ZJIT.stats_string (#16139)
Before this it would raise if zjit wasn't enabled
and raise a different exception if zjit was but extended stats were
not (_some_ stats are available).
Co-authored-by: Randy Stauner <randy@r4s6.net>
k0kubun (Takashi Kokubun)
06:36 PM Ruby Bug #21873: `UnboundMethod#==` returns false for methods from included/extended modules
ruby_4_0 commit:0768f08caff514b0ba616dc26d76aad90577eefe. k0kubun (Takashi Kokubun)
05:32 PM Ruby Revision acacbec3 (git): ZJIT: Move JIT code tests from test_zjit.rb to Rust (#16130)
k0kubun (Takashi Kokubun)

02/09/2026

11:43 PM Ruby Bug #21838: Rails seeing degradation (20% slowdown) related to Revision 079ef92b "Implement global allocatable slots and empty pages" (from Sep 5 2024)
ruby_4_0 commit:d5d3fb8b80e81426517bf150ebcab83be4ed996d merged revision(s) commit:8a586af33b59cae93a1bee13c39e87dd087a4a6b. k0kubun (Takashi Kokubun)
11:39 PM Ruby Revision d5d3fb8b (git): merge revision(s) 8a586af33b59cae93a1bee13c39e87dd087a4a6b: [Backport #21838]
[PATCH] Don't force major GC when there are allocatable slots
[Bug #21838]
When we have allocatable slots, we can grow the heap instead of forcing
a major GC. This prevents major GC to be ran very often in certa...
k0kubun (Takashi Kokubun)
11:38 PM Ruby Bug #21847: Backport `syntax_suggest` 2.0.3 to supported branches
ruby_4_0 commit:e4dd078a2734f1f3b7169feb4da8c68587effc6e. k0kubun (Takashi Kokubun)
09:44 PM Ruby Bug #21842: Encoding of rb_interned_str
ruby_4_0 commit:306930ae1ac62fb3b7f96581f4a6e9ab4c083e84 merged revision(s) commit:78b7646bdb91285873ac26bca060591e06c45afe, commit:b4a62a1ca949d93332ad8bce0fcc273581160cc5. k0kubun (Takashi Kokubun)
09:44 PM Ruby Revision 306930ae (git): merge revision(s) 78b7646bdb91285873ac26bca060591e06c45afe, b4a62a1ca949d93332ad8bce0fcc273581160cc5: [Backport #21842]
[PATCH] [Bug #21842] Let `rb_interned_str` return US-ASCII if possible
[PATCH] [DOC] Update docs for rb_interned_str and related functions (#15897)
Related to [Bug #21842].
* rb_interned_str: document what deci...
k0kubun (Takashi Kokubun)
09:39 PM Ruby Bug #21723: `binding.irb` raises a LoadError under `bundle exec` when Gemfile contains `path:` or `git:`
ruby_4_0 commit:83479483c96fdfffbde11af482c7fd920b0c1dea. k0kubun (Takashi Kokubun)

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