Activity
From 03/06/2026 to 03/12/2026
Today
-
08:41 AM Feature #21950: Add a built-in CPU-time profiler
- > it is not about adding a sampling profiler, it is about adding a CPU time profiler that does not sample.
Well, the issue description talk of CPU-time, but it also talk about sampling (`timer_create(3)` etc). So yes, it's a CPU-time ... -
08:39 AM Revision a3ee27fa (git): Fix `rdoc:%` target for bundled rdoc
-
- 08:25 AM Revision 235195f8 (git): [ruby/rubygems] Raise an error when building a gem that has a self reference:
- - ### Problem
A gem that has a self-reference in its dependencies would previously
get a warning during `gem build`, saying it's "discouradged".
A gem that includes a self-reference can't be updated due to bundler
filtering it o... -
03:56 AM Revision 5c81ba21 (git): [ruby/rubygems] Make SafeYAML.load an alias of safe_load
- Using Psych, load was actually more restrictive than safe_load. Using
Gem::YAMLSerializer they were identical. We might as well use the same
path for both methods.
https://github.com/ruby/rubygems/commit/d8d927f889 -
- https://github.com/ruby/rubygems/commit/51544ebfd8
-
- This had been the only user of Gem::SafeYAML.load for a long time. We
might as well be consistent with all other uses and use safe_load.
https://github.com/ruby/rubygems/commit/1b698779f5 -
- https://github.com/ruby/rubygems/commit/227df53bc5
-
- This was changed to unsafe_load with the swap to YAMLSerializer. But
this method did not previously do an unsafe load and we shouldn't
provide that.
https://github.com/ruby/rubygems/commit/37f71c1eac - 03:52 AM Revision 1424201b (git): [ruby/rubygems] Add test for !binary tag in sequence item inline
- https://github.com/ruby/rubygems/commit/ba4a4b2b26
Co-authored-by: hsbt <12301+hsbt@users.noreply.github.com> -
03:52 AM Revision 1c7b2d2b (git): [ruby/rubygems] Support YAML 1.1 !binary tag in YAMLSerializer
- Decode base64-encoded values tagged with !binary in mapping keys,
mapping values (both inline and block scalar), and sequence items.
This fixes gem install failures for gems packaged with older RubyGems
that used !binary encoding in chec... -
- When a gem has native extensions and uses `require_relative` to load
a path without a corresponding .rb file in the gem, warn that this
will break in RubyGems 4.2, which will stop copying compiled
extensions into the gem's lib directory.... -
- Many gems created with the default template over the past 6 years use
`require_relative` to load compiled extensions, which breaks when
extensions are not copied into the gem's lib directory. Restore the
default to true for now to mainta... - 02:39 AM Revision f3083308 (git): Bump the github-actions group across 1 directory with 2 updates
- Bumps the github-actions group with 2 updates in the / directory: [ruby/setup-ruby](https://github.com/ruby/setup-ruby) and [advanced-security/filter-sarif](https://github.com/advanced-security/filter-sarif).
Updates `ruby/setup-ruby` ... -
- It appears that shims for individual commands are no longer being
created. -
- Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
-
- Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
-
- OpenBSD requires MAP_STACK for memory regions used as thread stacks.
However it seems to error with "Invalid argument" unless the permissions
include both PROT_READ | PROT_WRITE.
We should be able to satisft this by re-mmapping over our... -
12:38 AM Feature #21700: `IO::Buffer.map`: offset argument is "broken" and needs to be made more useful
- I've been using `IO::Buffer.map` on macOS without issues. It's still early days but I wonder why it was failing for you.
https://github.com/socketry/async-utilization/blob/main/lib/async/utilization/observer.rb
03/11/2026
-
11:49 PM Revision aa604d5a (git): [DOC] Fix indentation in docs for File.path
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11:36 PM Revision 943c9cad (git): [DOC] Doc for Pathname.mktmpdir (#16365)
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07:07 PM Revision 85e434a8 (git): [ruby/prism] Track newlines in character escape sequences
- https://github.com/ruby/prism/commit/2e58c52196
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- https://github.com/ruby/prism/commit/3bdd79257b
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04:02 PM Feature #21950: Add a built-in CPU-time profiler
- The opentelemetry community project includes people from a number of companies building profilers (datadog, google, elastic, polar signals) and it's proposing a new format that's inspired by pprof but tries to solve for some of its short...
-
03:56 PM Feature #21950: Add a built-in CPU-time profiler
- > conceptually it's like collecting data equivalent to caller_locations efficiently every X milliseconds.
> ...
Unless I've read this issue completely wrong, it is not about adding a sampling profiler, it is about adding a CPU time prof... -
02:33 PM Feature #21950: Add a built-in CPU-time profiler
- Eregon (Benoit Daloze) wrote in #note-6:
> > I am rather doubtful that CRuby/JRuby/TruffleRuby can share any profiler implementation at all.
> ...
"Profiler implementation" meant (1) the sampling backend and (2) what information would ... -
01:40 PM Feature #21950: Add a built-in CPU-time profiler
- osyoyu (Daisuke Aritomo) wrote in #note-5:
> I am rather doubtful that CRuby/JRuby/TruffleRuby can share any profiler implementation at all.
They can't share the implementation of gathering backtraces (that's implementation-specific)... -
- osyoyu (Daisuke Aritomo) wrote in #note-5:
> I am rather doubtful that CRuby/JRuby/TruffleRuby can share any profiler implementation at all.
I think the opposite, I think it's actually easy to implement such an API on TruffleRuby and... -
- Thank you for your comments and input!
Eregon (Benoit Daloze) wrote in #note-4:
> The API should not be under RubyVM, that's CRuby-specific
`RubyVM` being CRuby-specific is actually the exact reason I choosed the place to locate a... -
- I think this would be good, and I agree this would avoid several gems reimplementing this in brittle and not portable (e.g. only works on CRuby) ways.
See https://github.com/truffleruby/truffleruby/issues/2044#issuecomment-654848324 for... -
- > Any CPU timing in Ruby must also consider JIT improvements over time, and be able to decode things like inlined method calls so that the reported execution time is associated with the correct body of code.
Yes, ZJIT probabaly would ... - 01:24 PM Revision d72a0fed (git): Always take th->interrupt_lock in ubf_clear
- Patch 08372635f7 fixed a race condition on ubfs, but it's only valid if right after
a call to `ubf_clear`, we assume the ubf function cannot be in the middle of running.
This patch removes an optimization in `ubf_clear` that violates tha... -
- Thank you for the quick fix!
-
- Applied in changeset commit:git|679e4069217104f4fe1d887ec48aa8c3537245b2.
----------
Suppress bundled gems warning for subfeatures found outside stdlib [Bug #21828]
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> -
- A main difference between both reproductions are the Gemfile.lock, for the reproduction in the issue description:
```
GEM
remote: https://rubygems.org/
specs:
benchmark-ips (2.14.0)
PLATFORMS
ruby
x86_64-linux
DE... -
- Interestingly it seems fixed for the original reproduction in the issue description, but *not* for the new reproduction of running `benchmark-ips`'s tests.
-
- Also happens on `4.0-dev` from `ruby-build` (`ruby 4.0.1 (2026-03-10 revision 21f2bbf322) +PRISM [x86_64-linux]`).
-
- As I said:
Eregon (Benoit Daloze) wrote in #note-6:
> still a problem on master
I have tried with `ruby 4.1.0dev (2026-03-11T07:46:22Z master c08f977ac7) +PRISM [x86_64-linux]` specifically.
Please try the reproduction before closing. -
- The additional changes has been merged. I believe they fixed that.
* https://github.com/ruby/ruby/pull/15908
* https://github.com/ruby/ruby/pull/16154
Please look the merged commit at stable branch at first. -
- Re-opening since it's still a problem on master and on 4.0.1, so the fix doesn't seem to work.
Another reproduction from https://github.com/evanphx/benchmark-ips/pull/148 is:
```
git clone git@github.com:evanphx/benchmark-ips.git
cd ... -
- ## Summary
I investigate https://github.com/ruby/rubygems/issues/3799 for speed up Ruby's boot time. It depends on the environment, but when gems are included in `GEM_HOME` and user installation. I and Claude found that the most time-... -
- Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
-
- Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
-
09:51 AM Revision 76cca827 (git): Bump v3.4.9
- 07:46 AM Revision c08f977a (git): ZJIT: Add StringEqual HIR and support fold constants (#16106)
- Add a `StringEqual` Insn and use it to enable safe constant folding for string equality.
Constant folding uses `chase_insn` to normalize operands. We fold only when it is provably safe:
- both operands resolve to the same SSA value
- bo... -
- https://github.com/ruby/rubygems/commit/80e37bb0a6
-
- Unless of course fork isn't available.
Alternate: #7930, #7933
Fix: #7930, #7933
When bundler inline has to install gems, it loads more dependencies than when it
goes through the fast path of all gems being installed.
One of them is `... -
- https://github.com/ruby/rubygems/commit/4ce1510a60
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- `long` and fixnum are not always sufficiently large for pointers.
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-
- https://github.com/ruby/prism/commit/1d6a9669dc
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- Move all the logic from prism.c into regexp.c. Now regexp.c does two passes. The first pass scans the raw source to track escape types, non-ASCII literals, and multibyte validity for encoding validation. The second pass scans the unescap...
-
- I think I've found a solution to this: we can return to the Ruby 3.4 `O(1)` removal, remove box/namespacing from it, and actually make it even simpler by skipping the CLASS -> ICLASS (and ICLASS -> ICLASS) relationship and directly assoc...
- 02:40 AM Revision 68bf517f (git): Bump taiki-e/install-action
- Bumps the github-actions group with 1 update in the / directory: [taiki-e/install-action](https://github.com/taiki-e/install-action).
Updates `taiki-e/install-action` from 2.68.25 to 2.68.26
- [Release notes](https://github.com/taiki-e... -
03/10/2026
-
08:27 PM Bug #21926: Thread#value on popen3 wait thread hangs in finalizer
- A note to whoever backports this (which could be me, I'm just waiting ~ 1 week and checking various CIs after the merge):
https://github.com/ruby/ruby/pull/16362 should be backported as well, they are really 1 fix in 2 separate commit... -
07:53 PM Revision 3fa74bff (git): ZJIT: Only emit IncrCounter instructions in stats mode (#16330)
- * ZJIT: Only emit IncrCounter instructions in stats mode
This cleans up a lot of HIR output when we're not explicitly measuring
counters. They don't generate code when not in stats mode so they are
just HIR clutter.
* ZJIT: Enable stat... -
- Also worth pointing out the ongoing efforts by the JIT team to eliminate artificial stack frames for leaf methods and some core method calls. As more artificial Ruby frames get elided, it will become harder to reconstruct the stack in a ...
-
- > JFR folks have decided to control sampling timing within the runtime to improve accuracy and stability
The other issue with real CPU timing is the heavy responsibility for accurately representing individual methods' CPU times withou... -
- Modern CRuby workloads can consume CPU concurrently across multiple native threads, especially with multiple Ractors and C exts which release the GVL. I'd like to propose the idea of integrating a built-in CPU-time profiler CRuby to enab...
-
- Applied in changeset commit:git|5b464d079afb4aad88ac9b9e21c6c4a9c3fb5c1d.
----------
[ruby/prism] Fix not binding power in endless methods
[Bug #21097]
Also, parse:
```
x = a rescue b in c
```
as:
```
(x = (a rescue b)) in c
```
a... -
- [Bug #21097]
Also, parse:
```
x = a rescue b in c
```
as:
```
(x = (a rescue b)) in c
```
and:
```
def f = a rescue b in c
```
as:
```
(def f = (a rescue b)) in c
```
https://github.com/ruby/prism/commit/7e797f59ae -
- https://github.com/ruby/prism/commit/979251ef06
-
- Windows does not have comm.exe, but it does have sort.exe. However,
the default Windows sort.exe is always case-insensitive, so its
outputs is not suitable for input to UNIX-like `comm` tool. -
- https://github.com/ruby/rubygems/commit/368fc29ce1
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- https://github.com/ruby/rubygems/commit/2636b4d24a
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- https://github.com/ruby/rubygems/commit/20153ebc78
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- https://github.com/ruby/rubygems/commit/ba8e4ed9ed
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- https://github.com/ruby/rubygems/commit/d4c5fc58e7
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- https://github.com/ruby/rubygems/commit/b8f77e3860
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- https://github.com/ruby/rubygems/commit/de53449860
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- Cover native extensions and Windows-style paths
Verify files, extensions, and backslash fields are preserved by SafeYAML
https://github.com/ruby/rubygems/commit/5adce1d26d -
- https://github.com/ruby/rubygems/commit/e5bcde365f
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- https://github.com/ruby/rubygems/commit/6b0aa2a2d3
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- https://github.com/ruby/rubygems/commit/074e3f7f62
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- https://github.com/ruby/rubygems/commit/cf566c3079
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- https://github.com/ruby/rubygems/commit/cbe57bbbd7
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- https://github.com/ruby/rubygems/commit/c29b3b2240
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- https://github.com/ruby/rubygems/commit/940358f2c2
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- https://github.com/ruby/rubygems/commit/c091444047
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- https://github.com/ruby/rubygems/commit/5a422dafb1
- 07:29 AM Revision 3071dcf4 (git): Bump zizmorcore/zizmor-action
- Bumps the github-actions group with 1 update in the / directory: [zizmorcore/zizmor-action](https://github.com/zizmorcore/zizmor-action).
Updates `zizmorcore/zizmor-action` from 0.5.1 to 0.5.2
- [Release notes](https://github.com/zizmo... - 07:05 AM Revision 20c82234 (git): [DOC] Update bundled gems list at ae3ad5e13d8e4a2532c69f251b92a7
-
-
-
- It appears that shims for individual commands are no longer being
created. -
- https://github.com/ruby/rubygems/commit/c7bd0c4d5e
-
- https://github.com/ruby/rubygems/commit/75985f0c77
-
- https://github.com/ruby/rubygems/commit/733d9c9b0b
-
- (https://github.com/ruby/strscan/pull/196)
I noticed this while working on #195.
https://github.com/ruby/strscan/commit/3dc627db11 -
- This leads installation issue of Windows.
https://github.com/ruby/rubygems/commit/244b38acd7 -
- I personally think `eof?` being blocking is extremely confusing.
I use this shim: https://github.com/socketry/io-stream/blob/main/lib/io/stream/shim/readable.rb#L11 to avoid blocking.
I also mentioned the issue here: https://bugs.ruby-... -
- https://github.com/ruby/prism/commit/fd0a20f8d8
-
01:14 AM Misc #21877: DevMeeting-2026-03-17
- * [Bug #21870] Regexp: Warnings when using slightly overlapping `\p{...}` classes (jneen)
* Warning spam on code that definitely isn't a mistake (`/[\p{Word}\p{S}]/` and other overlapping properties)
* Noted some possible ways forwar...
03/09/2026
- 10:05 PM Revision 231bd61a (git): Update default gems list at 77ef74d3c7505d07c3efa52527fb5e [ci skip]
- 10:04 PM Revision 77ef74d3 (git): [ruby/timeout] Bump version to 0.6.1
- https://github.com/ruby/timeout/commit/951e8025ec
-
09:33 PM Revision 4e4fd1d3 (git): [ruby/rubygems] Unify Compact Index API naming.
- https://github.com/ruby/rubygems/commit/b93485f6d8
-
08:06 PM Misc #21877: DevMeeting-2026-03-17
- * [Feature #21942] Allow reading class variables (`@@foo`) from non-main Ractors
* Currently `@foo` is allowed to be read, but `@@foo` isn't allowed
* Rails uses `@@foo` so I'd like to make them allowed -
07:25 PM
Bug #21926 (Closed): Thread#value on popen3 wait thread hangs in finalizer
- Applied in changeset commit:git|08372635f7ec09f7115bd254246ebd637499651c.
----------
Fix race condition right after ubf registration
Registering a ubf was considered problematic in some cases because it could
result in lock ordering in... - 07:25 PM Revision 08372635 (git): Fix race condition right after ubf registration
- Registering a ubf was considered problematic in some cases because it could
result in lock ordering inversions with the ubf function itself. I believe
this is the reason that in patch be1bbd5b7d, the ubf was registered outside of
the `th... -
- https://github.com/ruby/prism/commit/c28810fe93
-
06:07 PM Revision a2b9c8a5 (git): ZJIT: Avoid `NoSingletonClass` patchpoint when already a singleton class
- The true purpose of assume_no_singleton_classes() is to retain soundness
in event of the effective class of values changing. When the effective
class is already a singleton class that can never happen. (Except due to
IO#reopen, but that'... -
-
- I'm getting a segfault when running your minimal reproduction script on my Macbook Pro (`Darwin Mac 25.2.0 Darwin Kernel Version 25.2.0 (Apple Silicon)`).
I get the segfault when compiling under all 3 `GETADDRINFO_IMPL` implementations ... -
-
-
03:09 PM Revision 5001c193 (git): Compress the size_to_heap_idx table
- Index on 8 byte chunks instead of individual bytes. This works because
all pool stot sizes are pointer aligned, so all sizes in an 8 byte range
map to the same heap. -
- Also remove BASE_SLOT_SIZE.
-
12:09 PM Revision 4ce8515c (git): [ruby/timeout] Remove warnings
- https://github.com/ruby/timeout/commit/9b935535ff
-
- * The timeout could trigger before the `raise`.
https://github.com/ruby/timeout/commit/e4aa36096f -
- I noticed https://github.com/ruby/ruby/blob/master/doc/maintainers.md#bundled-gems-upstream-repositories-and-maintainers says a few things about this topic:
> Bundled gems upstream repositories and maintainers
> ...
But how can the cor... -
08:02 AM Misc #21922: Permissions for committers for ex-default/bundled/unbundled gems repositories
- [Rulesets](https://docs.github.com/en/repositories/configuring-branches-and-merges-in-your-repository/managing-rulesets/about-rulesets#branch-and-tag-rulesets) would also work. You create one targeting all tags and simply restrict tag cr...
-
- hsbt (Hiroshi SHIBATA) wrote in #note-7:
> Also, it would be very rude to say "there is no maintainer" when there is a maintainer's name.
Ah I see, you mean https://bugs.ruby-lang.org/issues/21949#note-4
I think from the context of ... -
- I think some misunderstanding here is I interpret `matz` being listed as the maintainer of `timeout` as matz historically wrote and maintained `lib/timeout.rb`, and not* some special meaning.
-
- hsbt (Hiroshi SHIBATA) wrote in #note-7:
> The fact that Matz is the maintainer means that development is done in agreement with the committers.
I see, that was/is unclear to me, notably because development of `timeout` happens on Gi... -
- Let me explain my perspective on this:
* I contributed significantly to ruby/timeout by [rewriting the implementation to be a lot faster](https://github.com/ruby/timeout/pull/15).
* I already acted as a de-facto maintainer by reviewing... -
- The fact that Matz is the maintainer means that development is done in agreement with the committers. Also, it would be very rude to say "there is no maintainer" when there is a maintainer's name.
-
- The timeout gem has no maintainer currently, so let's at least discuss this.
-
- hsbt (Hiroshi SHIBATA) wrote in #note-2:
> This is already rejected by Matz at https://github.com/ruby/ruby/pull/15424#issuecomment-3640875676
Matz said:
> ...
Hence why this proposal is to have both me and @nobu as maintainers (if ... -
- This is already rejected by Matz at https://github.com/ruby/ruby/pull/15424#issuecomment-3640875676
Discussing with multiple people means that it is not good for a single implementation maintainer to make the decision alone. -
- The timeout gem has currently [no official active maintainers](https://github.com/ruby/ruby/blob/master/doc/maintainers.md).
I would like to propose myself and @nobu (see below) as maintainers of the [timeout](https://github.com/ruby/ti... -
- Could one of the Ruby org owners grant me write access to ruby/benchmark? (EDIT: sorry, typo)
-
- The benchmark gem has currently [no official maintainer](https://github.com/ruby/ruby/blob/master/doc/maintainers.md).
I would like to propose myself as maintainer of the [benchmark](https://github.com/ruby/benchmark) gem.
I always h... -
- * I always had an interest about the benchmark stdlib and did significant
contributions to it, notably 979ec8df5daf6db314b2f17e53b53d269881d6ca.
* Ref: https://bugs.ruby-lang.org/issues/21948 -
-
08:54 AM Bug #21760: Ruby::Box: a couple of require-related problems
- I found another `Ruby::Box#require` case that seems related to this issue.
### Environment
- 4.0.1 / linux
- `RUBY_BOX=1`
If a file loaded inside `Ruby::Box` requires `fiddle/import`, loading the same file from multiple boxes c... -
- https://github.com/ruby/rubygems/commit/fa4771bcf5
-
- https://github.com/ruby/rubygems/commit/61bfb3fff8
-
- https://github.com/ruby/rubygems/commit/f3a1b17fce
-
- https://github.com/ruby/rubygems/commit/9741fbf151
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- https://github.com/ruby/rubygems/commit/89ea9dbb19
-
- Add tests covering the full pure-Ruby YAML implementation:
- Gem object serialization round-trips (dump and load)
- YAML anchors and aliases (enabled and disabled)
- Permitted classes and symbols validation
- Real-world gemspec parsing (... -
- https://github.com/ruby/rubygems/commit/faab31b5cf
-
- https://github.com/ruby/rubygems/commit/ef022c664f
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- https://github.com/ruby/rubygems/commit/50becac99a
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- https://github.com/ruby/rubygems/commit/9d54d0f830
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> -
- https://github.com/ruby/rubygems/commit/e07e88a232
-
- https://github.com/ruby/rubygems/commit/825d4eba3c
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> -
- https://github.com/ruby/rubygems/commit/895c8799fc
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> -
- https://github.com/ruby/rubygems/commit/21c33bb482
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> -
- https://github.com/ruby/rubygems/commit/b4655ddeb2
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> -
- https://github.com/ruby/rubygems/commit/d81ae0a870
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> -
- Add Gem.use_psych? and Gem.load_yaml branching so that YAMLSerializer
is used by default, while Psych remains available via the use_psych
config option in .gemrc or RUBYGEMS_USE_PSYCH environment variable.
https://github.com/ruby/rubyge... -
- https://github.com/ruby/rubygems/commit/bfe17c110c
-
- Add convert_to_spec and convert_any methods that transform parsed YAML
data structures (with :tag metadata) back into Gem::Specification,
Version, Platform, Requirement, and Dependency objects. Wire these into
the load method so it retur... -
- Replace the simple regex-based load method with a full recursive
descent parser (parse_any) that handles nested hashes, arrays, block
scalars (| and |-), YAML anchors (&anchor) and aliases (*alias),
!ruby/object: type tags, flow notation... -
- Replace the simple dump_hash method with dump_obj that can serialize
Gem::Specification, Version, Platform, Requirement, Dependency, Hash,
Array, Time, and String objects into YAML format. This enables pure-Ruby
YAML serialization withou... -
- Use the appropriate modifier. `size_t` is not always `unsigned long`,
even if the size is the same. -
- This cast is safe because `rb_absint_size` returns `nlz` within the
range `0...CHAR_BIT`. -
- https://github.com/ruby/rubygems/commit/d18e420215
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> -
-
- As well as when `uint64_t` is not available. Although we now assume
that `uint64_t` is always available, even on 32-bit platforms, the
size of `st_index_t` is the same as a pointer and would be shorter
than 64-bit. -
03:48 AM
Bug #21947 (Closed): `Timeout.timeout` doesn't use `Timeout::ExitException` when Fiber scheduler is in use.
- Applied in changeset commit:git|f315d250b44e75a1a69f4a05b293dcc701377689.
----------
[ruby/timeout] Compatibility with Fiber scheduler.
(https://github.com/ruby/timeout/pull/97)
[Bug #21947]
https://github.com/ruby/timeout/commit/55d7... -
- See <https://github.com/ruby/timeout/pull/97> for a proposed fix.
-
- The following example executes successfully after 7 seconds instead of timing out after 2.
```ruby
require 'async'
require 'net/http'
start = Time.now
Sync do
Timeout.timeout 2 do
Net::HTTP.get(URI 'https://httpbin.org... - 03:48 AM Revision f315d250 (git): [ruby/timeout] Compatibility with Fiber scheduler.
- (https://github.com/ruby/timeout/pull/97)
[Bug #21947]
https://github.com/ruby/timeout/commit/55d7c84b50 - 02:49 AM Revision f3d6967c (git): [DOC] Update bundled gems list at 3a05ad81dd68ed581b0d163392823c
- 02:48 AM Revision 3a05ad81 (git): Bump the github-actions group across 1 directory with 3 updates
- Bumps the github-actions group with 3 updates in the / directory: [ruby/setup-ruby](https://github.com/ruby/setup-ruby), [zizmorcore/zizmor-action](https://github.com/zizmorcore/zizmor-action) and [taiki-e/install-action](https://github....
03/08/2026
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- OpenBSD requires MAP_STACK for memory regions used as thread stacks.
However it seems to error with "Invalid argument" unless the permissions
include both PROT_READ | PROT_WRITE.
We should be able to satisft this by re-mmapping over our... -
- st0012 (Stan Lo) wrote in #note-4:
> the write/release permission will become inseparable
I think [Deployments environments](https://docs.github.com/en/actions/reference/workflows-and-actions/deployments-and-environments) could help ... -
03:54 PM Misc #21922: Permissions for committers for ex-default/bundled/unbundled gems repositories
- I agree that we should have clearer rules on how committers can/should engage with gems under the `ruby` org.
My (perhaps outdated) understanding was:
- Ruby committers can make changes to gems they don't maintain for misc/doc changes,... -
- https://github.com/ruby/prism/commit/0e7fb6b868
-
- Closes https://github.com/ruby/prism/pull/3974
https://github.com/ruby/prism/commit/94646f5329 - 09:16 AM Revision 47103734 (git): Update default gems list at c7e7d399ed523e4f51d1848a55501f [ci skip]
-
- https://github.com/ruby/json/commit/4a42a04280
-
- Ref: https://github.com/ruby/json/commit/fff25c9f4b9c
`StringValuePtr` use `volatile` so the compiler is less likely
to re-use the register.
But regardless, we should GC_GUARD `str` as we no longer reference
it after `GETMEM`.
https:/...
03/07/2026
-
- > I understand the idea that batching helps in this case where you want to explicitly flush, but that's a pretty specific example, e.g. it's uncommon to even call IO#flush at all in Ruby.
Not specific to Ractor, but I relatively often... - 07:00 AM Revision 66e61d0c (git): [DOC] Update bundled gems list at 55df8dc063df1c749dbe07f78158f8
-
-
- ruby_3_4: merged at commit:0097b87b1e2c6aa60489527e421e8bf2e2791d69.
- 05:41 AM Revision 0097b87b (git): Fix UnboundMethod#== for methods from included/extended modules [Backport #21873]
- Method#unbind clones the method entry, preserving its defined_class.
For methods mixed in via include/extend, defined_class is an ICLASS,
causing UnboundMethod#== to return false when comparing against the
same method obtained via Module... -
- When a CC is invalidated only the klass field is set to 0. After it's
invalidated it isn't safe to access the CME, as it may have been freed.
I made a similar change in Ruby 4.0 in
640a2f1dc77c0ecf226dbd71cf7a1eb876a1f037, but assumed i... -
-
- ruby_3_4: merged at commit:43771bb0efcd139acd9112a770e8b8d719118dce.
-
- [Bug #21860]
If a thread was holding this lock before fork, it will not exist in the
child process. We should re-initialize these locks as we do with the VM
locks when forking.
Co-Authored-By: John Hawthorn <john@hawthorn.email>
Co-aut... -
- ruby_3_4: merged at commit:a93ff4880da5c4e56f7ec2066a9c3f7748892231.
- 04:40 AM Revision a93ff488 (git): Fix integer overflow checks in enumerator
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- Prefer the date authored the contents over the merged date for the
embedded dates. -
- Returns the author date of the latest commit for the path.
-
-
-
- Fixed by https://github.com/ruby/prism/pull/3969. Sorry I didn't link it in the commit message.
-
- Applied in changeset commit:git|55694ad7efc3f8dc6d5c7aefa60ded4c303ed6cf.
----------
[Bug #21945] Correctly handle `and?` and similar -
- 12:54 AM Revision b3248037 (git): ZJIT: Add execution counters for JIT-compiled code paths (#16315)
- Adds runtime execution tracking for ZJIT-compiled iseqs so we can identify which compiled methods are called most frequently.
**Why?**
1. Determining what can be optimized based on how often it's called: knowing call frequency helps p...
03/06/2026
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- https://github.com/ruby/prism/commit/7d21e564ac
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- https://github.com/ruby/prism/commit/35470bb90d
-
- hsbt (Hiroshi SHIBATA) wrote in #note-1:
> First of all, the title is wrong. Ruby committers can still commit to the default gem repository.
Right, I'll update the title.
I reviewed the list, it contains some default gems but most o... -
- Backlink to a PR `Replace C extension with pure Ruby implementation for Ruby >= 3.3`:
https://github.com/ruby/date/pull/155 -
- Introduce PM_TOKEN_KEYWORD_DO_BLOCK to distinguish do-blocks on
command-style calls from regular `do` keywords. Add
parse_command_do_block to attach these blocks to call nodes. Track
in_endless_def_body to prevent do-block consumption in... -
- jinroq (Jinroq SAITOH) wrote:
> In the context of `Date._strptime("%Y-%m-%d")`, this overhead is a significant portion of the total parse time, as shown in earlier profiling:
> ...
This part is not clear to me, notably what does that 40%... -
- ## Runtime Counters on lobsters (before/after Jacob's load-store opt)
| Stat | Before | After | Delta |
|------|--------|-------|-------|
| load_field_count | 110,410,542 | 106,547,275 | -3,863,267 (-3.5%) |
| store_field_count | 9,196,... - 05:27 PM Revision db52cd62 (git): ZJIT: Constant fold div (/) operations (#16168) (#16233)
- ZJIT: Constant fold modulus (%) operations (#16168)
Similar to the way ZJIT already folds +, -, and * operations. One
complication is that the / operator behaves differently in Ruby than in
Rust for negative values. For example in Ruby:... -
- in is a unique keyword because it can be the start of a clause or
an infix keyword. We need to be explicitly sure that even though in
_could_ close an expression context (the body of another in clause)
that we are not also parsing an inl... -
- They currently complain that the parent method is not forwarding.
But the actual problem is that these types of arguments simply don't
accept `...`
Fixes [Bug #21927]
https://github.com/ruby/prism/commit/0aa2363331 -
- It gets confused for syntax introduced in https://bugs.ruby-lang.org/issues/20925
But it actually should be a plain method call.
`!`/`?` are not valid as part of an identifier, methods
however allow them as the last character.
Fixes [Bu... -
- 3.4 backport PR: https://github.com/ruby/ruby/pull/16326
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- nobu (Nobuyoshi Nakada) wrote in #note-4:
> Rather I think it should be allowed even after optional/rest/keyword/keyword-rest arguments in block parameters too.
Wouldn't that be **very** confusing then because `proc { |a,| a }.call([... -
- Eliminate the lambda argument conditions from the action.
-
09:16 AM Feature #21932: `MatchData#get_int`
- FYI: strscan will use `integer_at` not `get_int`: https://github.com/ruby/strscan/pull/192#issuecomment-4002582149
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- 08:06 AM Revision 66c3ff3f (git): Update default gems list at 9356837d1a436a75ba3b35234d7678 [ci skip]
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- https://github.com/ruby/json/commit/a11acc1ff4
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- unsigned long is only 32b on some platforms.
https://github.com/ruby/json/commit/0a4fb79cd9 - 07:48 AM Revision f56310de (git): [ruby/json] Reject negative depth; add overflow guards to prevent hang/crash
- https://github.com/ruby/json/commit/de993aa766
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- Remove unused si.to_yaml calls that stored YAML at URLs that were never
fetched. With the pure-Ruby parser, NilClass no longer has to_yaml, but
these lines were dead code regardless.
https://github.com/ruby/rubygems/commit/6ab25e49ac -
- Pend test_with_webauthn_enabled_failure on TruffleRuby where it fails
intermittently.
https://github.com/ruby/rubygems/commit/6e062ccef1 -
05:02 AM Revision 9aca7291 (git): Improve comparison error message.
- In certain cases, things like Array#sort can result in a confusing error
message. For instance where a and b are characters in a string,
`"string"`:
```ruby
array.sort { |a, b| string.index(a) <=> string.index(b) }
```
If one of the in... -
04:12 AM Revision 85453b75 (git): Use OPTIMIZED_CMP in r_less instead of <=>
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03:33 AM Revision 7a1d47ae (git): ZJIT: Remove duplicate CheckInterrupts within basic blocks (#16317)
- Add a new optimization pass that eliminates redundant CheckInterrupts
instructions within each basic block. Only the first CheckInterrupts is
needed per stretch of non-call code, since the interrupt flag only needs
to be checked once. Th... -
- When checking whether CXXFLAGS is valid, we try to compile with a stdio
include which causes a warning.
This does the same when we check whether "-fdeclspec" can be used, that
way the flag is not added if it would lead to a warning later. - 02:40 AM Revision cd54232b (git): Bump github/codeql-action in the github-actions group across 1 directory
- Bumps the github-actions group with 1 update in the / directory: [github/codeql-action](https://github.com/github/codeql-action).
Updates `github/codeql-action` from 4.32.5 to 4.32.6
- [Release notes](https://github.com/github/codeql-a... - 01:57 AM Revision 46f51cb3 (git): string.c: guard tmp in rb_str_format_m (GH-16280)
- [Bug #21931]
Keep tmp alive while RARRAY_CONST_PTR(tmp) is used by rb_str_format.
[alan: sunk the guard below usage]
Reviewed-by: Alan Wu <XrXr@users.noreply.github.com> -