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08:54 PM Ruby Bug #21772: ruby: YJIT has panicked StackOpnd(1) should be a heap object, but was ImmSymbol for VALUE(137647867319760)

> Backtrace & Logs
Is it possible to share the Ruby backtrace as well? k0kubun (Takashi Kokubun)

06:10 PM Ruby Revision 330ddccf (git): ubuntu.yml: Add a ruby-bench job without ZJIT (#15480)

k0kubun (Takashi Kokubun)

05:45 PM Ruby Revision 1eb10ca3 (git): ZJIT: Exclude failing ruby-bench benchmarks (#15479)

k0kubun (Takashi Kokubun)

05:18 AM Ruby Revision ec862b41 (git): ZJIT: Prohibit ZJIT support with USE_FLONUM=0 (#15471)

k0kubun (Takashi Kokubun)

12/09/2025

01:02 AM Ruby Misc #21769: Use "vX.Y.Z" instead of "vX_Y_Z" as tag names on ruby.git

I'm fine whether it's `vX.Y.Z` or `X.Y.Z` too. I'm personally used to `vX.Y.Z` used by `rake release` ([ref](https://github.com/ruby/ruby/blob/007a70a15c2911845f83872b83d39eeca7f0f607/lib/bundler/gem_helper.rb#L193)), so I just didn't ha... k0kubun (Takashi Kokubun)

12:36 AM Ruby Bug #21187: Strings concatenated with `\` getting frozen with literal hashes (PRISM only)

ruby_3_4 commit:6dc27d14a0427da7b28a6884578009a9740f69fd, commit:bc40e758307c9be3e39497b5010fbaceb14bf8c7, commit:d282e76fb6c9f56ac44b3abfc8a3fc9f10edd6f0. k0kubun (Takashi Kokubun)

12:31 AM Ruby Misc #21689: DevMeeting-2025-12-11

* [Misc #21769] Use "vX.Y.Z" instead of "vX_Y_Z" as tag names on ruby.git (k0kubun)
* I want Ruby 4.0.0 to use `v4.0.0` as its git tag name instead of `v4_0_0`. If we release rc1, can we call it `v4.0.0-rc1` too?
* Do we also want to... k0kubun (Takashi Kokubun)

12:24 AM Ruby Misc #21770 (Open): Stop bumping RUBY_PATCHLEVEL in release versions

## Proposal
* Stop bumping `RUBY_PATCHLEVEL` from `0` in Ruby 4.0.0+
## Motivation
* As a stable branch maintainer, I find it frustrating that reverting a commit made by `tool/merger.rb` often causes a conflict on `#define RUBY_... k0kubun (Takashi Kokubun)

12/08/2025

11:44 PM Ruby Misc #21769 (Open): Use "vX.Y.Z" instead of "vX_Y_Z" as tag names on ruby.git

## Proposal
* Use `vX.Y.Z` (e.g. `v4.0.0`) instead of `vX_Y_Z` (e.g. `v4_0_0`) as git tag names from Ruby 4.0.0
* Also use `-` for preview/rc releases, e.g. `v4.0.0-rc1` instead of `v4_0_0_rc1`
## Motivation
* Inconsistent ... k0kubun (Takashi Kokubun)

11:30 PM Ruby Revision d282e76f (git): Bump Prism to v1.5.2

[Backport #21187] k0kubun (Takashi Kokubun)