Activity
From 10/15/2025 to 10/21/2025
Today
-
06:46 PM Misc #21646: Propose Luke Gruber as a Ruby committer
- I would be honored to join as a committer if you'll have me. Thank you everyone!
-
06:41 PM Misc #21646: Propose Luke Gruber as a Ruby committer
- +1 Luke is very helpful with Ractor development, and I think he would make a great addition to the team!
-
03:45 PM Feature #21572: Make illegal variable in alternation pattern a syntax error
- I agree with you, @kddnewton.
Your proposal makes sense. -
11:57 AM Bug #21645: Can't `require "resolve"` on Windows under Bundler without warnings
- Here is a standalone workflow that demonstrates the issue closer to how I actually encountered it:
```yml
name: Test
on: push
jobs:
make:
runs-on: windows-latest
steps:
- run: echo "source 'https://rubygems.or... -
08:02 AM Feature #21636 (Closed): Proposal to Introduce a Dedicated Warning Category for Regular Expressions
- Thank you, I'll close this for now. If there's anything else you'd like to discuss, please let me know.
-
- I talked with @akr-san. He said it should be first confirmed whether you have any real use cases that actually want to handle situations like "can't read but can write" (or vice versa).
Pipes are typically unidirectional, so when a wr... -
01:38 AM Revision 3b87e76c (git): [DOC] Tweaks for String#rpartition
-
10/20/2025
-
11:39 PM Misc #21646: Propose Luke Gruber as a Ruby committer
- +1 Luke has been doing great work and is really knowledgeable in Ractors
-
10:51 PM Misc #21646 (Open): Propose Luke Gruber as a Ruby committer
- I'd like to propose adding Luke Gruber (@luke-gru) as a Ruby committer.
He's been contributing to CRuby [since 2019](https://github.com/ruby/ruby/commit/ec8e5f5aa64e2a54cf1e303f2b012c98e8d521ba) fixing a variety of bugs and being acti... -
09:30 PM Revision 17368234 (git): ZJIT: Implement codegen for FixnumMod (#14857)
- This is mostly to see what happens to the loops-times benchmark.
- 08:55 PM Revision 6e9f7974 (git): [DOC] Create doc/contributing/concurrency_guide.md
- This guide is for those that want to contribute to ruby but don't
understand where they need to use locks or other concurrency mechanisms.
It teaches them how to use these locks safely and what is prohibited in
certain circumstances. - 08:10 PM Revision e047cea2 (git): ZJIT: Optimize send with block into CCallWithFrame (#14863)
- Since `Send` has a block iseq, I updated `CCallWithFrame` to take an optional `blockiseq` as well, and then generate `CCallWithFrame` for `Send` when the condition is right.
## Stats
`liquid-render` Benchmark
| Metric ... -
04:24 PM Revision 5d2a244b (git): [Bug #21644] compile.c: fix `newrange` INSN peephole optimization for chilled string
- ref: https://bugs.ruby-lang.org/issues/21644
```shell
$ ruby -v -e '("a" || "b").."c"'
ruby 3.4.7 (2025-10-08 revision 7a5688e2a2) +PRISM [x86_64-linux]
-e:1: warning: possibly useless use of .. in void context
-e:1: [BUG] Stack consist... -
- It turns out that we don't use it anywhere.
-
03:14 PM Bug #19017: Net::HTTP may block when attempting to reuse a persistent connection
- Hi, I am not sure we should solve this in IO, the error lies more in calling eof? in the first place I would say as eof? is meant to be blocking - and currently I only see solutions that involve non-blocking calls.
The solution propos... -
- Only support the simple case: no splat or rest.
lobsters before:
<details>
```
***ZJIT: Printing ZJIT statistics on exit***
Top-20 not inlined C methods (60.5% of total 11,039,954):
Kernel#is_a?: 1,030,7... -
- `prism` had disabled some workflows for ruby-head on windows because of the extraction from fiddle to being a bundled gem.
I attempted to renable them now, but it is still an issue: https://github.com/ruby/prism/pull/3687
During `bun... -
12:09 PM Revision ac27bec2 (git): merge revision(s) 957c832db137e67289e93dfd9fd9e915b1f2fc87:
- [PATCH] Fix memory leak in rb_const_remove when using namespace
We need to free the rb_const_entry_t we remove from the RCLASS_WRITABLE_CONST_TBL
otherwise it will leak memory. -
09:12 AM Bug #21643 (Closed): 'make' or 'make up' results in: uncommon.mk:1988: *** missing separator. Stop.
- @nobu: Many thanks! This is solved, most probably due to removing uncommon.mk.
[After that, I had to upgrade from Ubuntu 22.04 to Ubuntu 24.04 to make sure BASERUBY wasn't too old, so there may have been other reasons, too.] -
04:43 AM Bug #21643: 'make' or 'make up' results in: uncommon.mk:1988: *** missing separator. Stop.
- duerst (Martin Dürst) wrote:
> Line 1988 and 1989 (the last two lines) in upcommon.mk read:
> ...
The `prism/srcs.mk` and `depend` file contents should follow it.
After removing that file and running `./config.status --recheck`, what ... -
- I tried to get my ruby checkout up to date using 'make up', but after a lot of output, it stopped with the message "uncommon.mk:1988: *** missing separator. Stop.". Now it just gives this message when trying 'make up' or 'make'.
Line... - 07:04 AM Revision 6eb75f6c (git): [ruby/rubygems] update magnus version in rust extension gem template
- https://github.com/ruby/rubygems/commit/1ba8eb4ab3
-
06:52 AM Revision b6f1c4ed (git): [ruby/rubygems] Use ruby/rubygems instead of rubygems/rubygems at document, tool and configurations
- https://github.com/ruby/rubygems/commit/749b498822
-
- https://github.com/ruby/rubygems/commit/c637007e91
-
- Applied in changeset commit:git|7587e92910e7604a4c66f2b804bfa2076339c6ff.
----------
[Bug #21644] compile.c: fix `newrange` INSN peephole optimization for chilled string
ref: https://bugs.ruby-lang.org/issues/21644
```shell
$ ruby -v ... -
- PR:https://github.com/ruby/ruby/pull/14879
Confirmed on every version since 3.4.
``` shell
$ ruby -v -e '("a" || "b").."c"'
ruby 3.4.7 (2025-10-08 revision 7a5688e2a2) +PRISM [x86_64-linux]
-e:1: warning: possibly useless use of... -
- ref: https://bugs.ruby-lang.org/issues/21644
```shell
$ ruby -v -e '("a" || "b").."c"'
ruby 3.4.7 (2025-10-08 revision 7a5688e2a2) +PRISM [x86_64-linux]
-e:1: warning: possibly useless use of .. in void context
-e:1: [BUG] Stack consist... -
- ioquatix (Samuel Williams) wrote in #note-4:
> - "Connection Reset" occurs during read, and indicates that the remote end has dropped the connection, and it's likely that we are missing data (as opposed to reaching end of stream).
I ... -
03:50 AM Feature #21642: Introduce `IO::ConnectionResetError` and `IO::BrokenPipeError` as standardized IO-level exceptions.
- Thanks for your feedback. I understand your point and I think it makes sense.
"Connection Reset" and "Broken Pipe" have well defined meanings. On the face of it, I don't know what "CloseUnrecoverable" means. Is there a concept like this... -
- I sympathize with this proposal. Having to rescue a wide variety of exceptions is a common pain point, especially when writing applications like chatbots.
I believe the best approach is to classify exceptions based on the required use... -
12:38 AM Revision 4353187d (git): Fix extension file permissions on Cygwin in namespace feature
10/19/2025
-
- Currently, different IO implementations in Ruby raise inconsistent exception types when a connection is reset or broken.
For example:
```ruby
# Plain TCP socket:
socket.read_nonblock(1024)
# => Errno::ECONNRESET
# SSL socket:... -
- We need to free the rb_const_entry_t we remove from the RCLASS_WRITABLE_CONST_TBL
otherwise it will leak memory. - 11:35 AM Revision 2f20dc5d (git): [DOC] Improve loop code example documentation
-
-
- https://github.com/ruby/English/commit/5e60c1068a
-
- https://github.com/ruby/English/commit/70b46b58cc
10/18/2025
-
-
-
-
01:34 PM Feature #19326: Please add a better API for passing a Proc to a Ractor
- byroot (Jean Boussier) wrote in #note-13:
> I think we can close now?
```ruby
require 'pp'
class Worker
def initialize(*args, &block)
@args = args
@block = Ractor.shareable_proc(&block)
end
def run(count)
... -
-
- ```
/github/workspace/src/ext/zlib/zlib.c:2608:25: warning: default initialization of an object of type 'struct read_raw_arg' with const member leaves the object uninitialized [-Wdefault-const-init-field-unsafe]
2608 | struct re... -
-
- [PATCH] Win32: OpenSSL 1.1 DLLs are no longer used
We are already using OpenSSL 3.3 and have no possibility to use system
provided DLLs. -
- ruby_3_3 commit:e526fbe770909974f610b7a2a00bd8d5dd045f1f merged revision(s) commit:e94a2f691d67ad98be9036e76c765fcfa7d22552.
-
- [PATCH] [Bug #21638] Mark ractor-local `$VERBOSE` and `$DEBUG`
https://github.com/sampersand/blog/blob/master/the%20-s%20flag.md#the-segfault -
- We know the exact capacity for the constant table created in
rb_singleton_class_clone_and_attach so we can preallocate it. -
10/17/2025
-
10:37 PM Revision a0bf6d34 (git): ZJIT: Add inlining for Kernel#respond_to? (#14873)
- lobsters before:
<details>
```
***ZJIT: Printing ZJIT statistics on exit***
Top-20 not inlined C methods (61.1% of total 10,568,718):
Kernel#is_a?: 1,030,925 ( 9.8%)
Stri... -
- We duplicate the method table in rb_class_duplicate_classext, so we should
set RCLASSEXT_ICLASS_IS_ORIGIN and unset RCLASSEXT_ICLASS_ORIGIN_SHARED_MTBL
to signal that the iclass owns the method table and it should be freed. - 08:29 PM Revision 1c119f02 (git): Revert "ZJIT: Mark commonly-edited files as merge=union (#14865)"
- This reverts commit 23287c45806cac060ed63e87176d1a87968b9267.
This looks like a mixed bag... -
- This helps the default merge driver make reasonable decisions (and
therefore avoid conflicts) when multiple people are e.g. adding tests
to src/hir.rs at the same time. -
07:33 PM Revision 0594646c (git): ZJIT: Don't push frame for Hash#size (#14871)
- `Hash#size` was not in "Top-20 not annotated C methods" on lobsters so our before / after benchmarks are not very helpful for this change.
<details>
<summary>Before</summary>
<br>
```
***ZJIT: Printing ZJIT statistics on exit***
Top-20 ... -
- lobsters before:
```
***ZJIT: Printing ZJIT statistics on exit***
Top-20 not inlined C methods (71.9% of total 15,247,103):
Hash#[]: 4,516,006 (29.6%)
Class#current: 1,15... -
- https://github.com/rubygems/rubygems/commit/9b3a5a8ae9
-
-
- 09:37 AM Revision 943b5f66 (git): CI: Launchable: Fix errors at actions/setup-python on ppc64le/s390x
- The following errors happened at the actions/setup-python step.
https://github.com/ruby/ruby/actions/runs/18229870239
> The version '3.x' with architecture 's390x' was not found for Ubuntu 24.04.
> ...
After skipping the actions/setup-... -
08:24 AM Revision 5ced99dd (git): [rubygems/rubygems] :Revamp CmakeBuilder to fix the issues described in #8572. Specifically:
- * Correctly pass command line arguments to CMake
* Call CMake twice - once to configure a project and a second time to build (which is the standard way to use CMake). This fixes the previously incorrect assumption that CMake generates a ... -
-
- Disable the shorten-64-to-32 warning for now, because it currently
generates a lot of warnings on platforms where `sizeof(void*)` is
larger than `sizeof(long)`.
TODO: Replace `long` with `ptrdiff_t` or something in the all sources. -
-
- Get rid of conflict with inline versions provided in time.h.
-
-
-
-
-
- Add `CLOCK_PROCESS_CPUTIME_ID` and `CLOCK_THREAD_CPUTIME_ID`.
- 05:11 AM Revision ff6bd7fb (git): [ruby/ipaddr] Fix InvalidAddressError message
- https://github.com/ruby/ipaddr/commit/c96dbadee3
-
03:01 AM Bug #21632 (Closed): Backport REXML CVE-2025-58767 fix
- Merged.
-
-
- This update addresses CVE-2025-58767 (GHSA-c2f4-jgmc-q2r5).
-
12:53 AM Bug #21641 (Closed): Hash#to_s behaves different in 3.4
- closed by request of OP
10/16/2025
-
- The remote fetcher only works with certain schemes (`http`, `https`,
`s3`, and `file`). It's possible for other schemes to show up in this
code and it can cause bugs.
Before this patch, doing `gem install path:///hello` would result in... -
- remove_class_from_subclasses calls st_insert, which mallocs. Malloc is not
allowed in GC. This commit replaces the st_insert with an st_update since
we know that ns_id exists in the st_table.
The following script reproduces the crash:
... - 08:47 PM Revision 3fa84846 (git): ZJIT: Add to counters when FnProperties.inline inlining succeeds
- This counts methods that can be folded away to nothing *in addition* to
the already-counted `CCall`. - 08:47 PM Revision 9598b444 (git): ZJIT: Fix singleton class qualified method names in stats
- Now methods on singleton classes (for example, `new`) get split up into
`String*#new`, `Array*#new`, ... (where the `*` indicates a singleton
class) instead of all looking like `Class#new`.
before:
```
***ZJIT: Printing ZJIT statistics... -
07:24 PM Bug #21641: Hash#to_s behaves different in 3.4
- Please feel free to join us on [Ruby Discord](https://discord.gg/ad2acQFtkh) or [#ruby IRC](https://web.libera.chat/#ruby) to discuss all the options! Refining Hash is one way:
``` ruby
module LegacyHashToS
refine Hash do
def t... -
07:12 PM Bug #21641: Hash#to_s behaves different in 3.4
- It's mentioned in https://www.ruby-lang.org/en/news/2024/12/25/ruby-3-4-0-released/ under Hash#inspect rendering have been changed. [Bug #20433]
-
06:03 PM Bug #21641 (Closed): Hash#to_s behaves different in 3.4
- I couldn't find anywhere documenting this change from Ruby 3.3 to Ruby 3.4:
3.3.9:
``` ruby
> irb
3.3.9 :001 > {x:1}.to_s
=> "{:x=>1}"
3.3.9 :002 >
```
3.4.0:
```ruby
3.4.0 :001 > {x:1}.to_s
=> "{x: 1}"
3.4.0 :002 >
... -
- We have a lot of patchpoint exits on some applications and this helps
pin down why. -
-
- It just returns nil.
-
02:38 PM Revision 68f45a6d (git): [ruby/prism] Do not rely on RUBY_VERSION being consistent
- https://github.com/ruby/prism/commit/34428946db
-
- https://github.com/ruby/prism/commit/dda0dc81df
-
- https://github.com/ruby/prism/commit/44c4306247
-
- https://github.com/ruby/prism/commit/ebf4425d49
-
- https://github.com/ruby/prism/commit/2466940e49
- 12:45 PM Revision ea4c3169 (git): Update default gems list at aa2d3cd5133e6a5deb24fa047e5a66 [ci skip]
-
- https://github.com/ruby/prism/commit/b72fcc6183
-
- The docs currently say to use `Prism.parse(foo, version: RUBY_VERSION)` for this.
By specifying "current" instead, we can have prism raise a more specifc error.
Note: Does not use `ruby_version` from `ruby/version.h` because writing a t... -
- This is only really called a lot in the benchmark harness, as far as I
can tell. -
- This feels like opening Pandora's box. If this is accepted, I can foresee the following discussions arising, just off the top of my head:
* Should `Array#keys` be defined as a method that returns `(0...ary.size).to_a`?
* `Array#find_... -
-
- The atomic load/store operations here should mostly be using
release/acquire semantics. This may lead to better performance than what
we had under the default seq_cst.
On x86 this may make the atomic store of hash faster, as it can avoi... -
10/15/2025
-
- The expected value is the first parameter and the actual value is the
second in assert_equal. -
09:24 PM Revision d272a81f (git): ZJIT: Rewrite arm64_split_with_scratch_reg for clarity
- * The while loop pattern can be rewritten to be more idiomatic, which
also allows the iterator to no longer be mutable. -
08:36 PM Revision 4c426e98 (git): ZJIT: Use rb_gc_disable() over rb_gc_disable_no_rest()
- no_rest() trips an assert inside the GC when we allocate with the GC
disabled this way:
(gc_continue) ../src/gc/default/default.c:2029
(newobj_cache_miss+0x128) [0x105040048] ../src/gc/default/default.c:2370
(rb_gc_impl_new_... -
06:55 PM Misc #21606: DevMeeting-2025-10-23
- - [Feature #21615] Introduce `Array#values`
- Seems reasonable to have an API to simplify traversal of hash/array values
- There is some precedence, since both Hashes/Arrays have #values_at.
- If approved, should it be added to ... -
03:30 PM Misc #21606: DevMeeting-2025-10-23
- * [Bug #21640] Core Pathname is missing 3 methods / is partially-defined (eregon)
* This seems a bad user experience: partially-defined class missing some methods, `require "pathname"` doesn't load the gem as expected (even with Bundl... -
06:34 PM Revision b052d706 (git): [ruby/prism] explicitly cast constants in initializers as well
- https://github.com/ruby/prism/commit/e7db2b06ab
-
- https://github.com/ruby/prism/commit/0b2710a6c9
-
- Fixes https://github.com/Shopify/ruby/issues/793
## Testing on `liquid-render`:
<details>
<summary>Before patch:</summary>
```
***ZJIT: Printing ZJIT statistics on exit***
Top-20 not inlined C methods (96.8% of total 20,222,783):
... - 05:49 PM Revision 27ff5861 (git): We can't grab the VM Lock in free functions
- This is due to the way MMTK frees objects, which is on another native thread.
Due to this, there's no `ec` so we can't grab the VM Lock.
This was causing issues in release builds of MMTK on CI like:
```
/home/runner/work/ruby/ruby/bu... -
- This fixes a reliable "ZJIT saw a dead object" repro on my machine, and should
fix the flaky ones on CI. The code for disabling the GC is the same as
the code in newobj_of().
See: https://github.com/ruby/ruby/actions/runs/18511676257/jo... -
- I'm happy to help making the changes in ruby/ruby to make Pathname "just a default gem" again like it was in 3.4, if that is the decided outcome of the dev meeting (I added this ticket to https://bugs.ruby-lang.org/issues/21606).
-
- ```
$ ruby -e 'puts Pathname.instance_methods(false).sort; puts Pathname.singleton_methods.sort' > core_pathname_methods.txt
$ ruby -rpathname -e 'puts Pathname.instance_methods(false).sort; puts Pathname.singleton_methods.sort' > requ... -
- Accidentally added in https://github.com/ruby/ruby/pull/14679
-
- 09:54 AM Revision dce202d6 (git): [rubygems/rubygems] Add checksum of gems hosted on private servers:
- - ### Problem
Running `bundle lock --add-checksums` doesn't add the checksum of
gems hosted on server that don't implement the compact index API.
This result in a lockfile which is unusable in production as
some checksums will ... -
- Unfortunately, no such guidelines exist. Anyone with access to a z/OS Linux environment will likely need to investigate the code on their own.
By the way, for a long time, @ReiOdaira had been maintaining the CI for Ruby on z/OS Linux,... -
07:05 AM Misc #21639 (Feedback): Guidelines or documentation for porting Ruby to a new platform (z/OS)
- Hi Ruby team,
I work on the IBM z/OS platform and am currently working on porting Ruby to it.
I wanted to ask whether there are any existing porting guidelines, documentation, or recommended steps for bringing Ruby up on a new plat... -
- https://github.com/rubygems/rubygems/commit/6a3342541a
-
- https://github.com/rubygems/rubygems/commit/cd1493eec4
-
- https://github.com/rubygems/rubygems/commit/59b909fa74
- 07:15 AM Revision a60b56c3 (git): [rubygems/rubygems] Use `default_cache_path` helper for brevity
- https://github.com/rubygems/rubygems/commit/29a12c3d46
- 07:15 AM Revision 92cbd7ec (git): [rubygems/rubygems] Test current clean after bundle update behavior
- https://github.com/rubygems/rubygems/commit/c43e35c3ea
-
- https://github.com/rubygems/rubygems/commit/06508374aa
-
- https://github.com/rubygems/rubygems/commit/89bcdfc941
-
- https://github.com/rubygems/rubygems/commit/15be905c44
- 04:58 AM Revision 1142abb1 (git): [DOC] Update making_changes_to_stdlibs.md mirror Example
- CSV is no more part of the standard lib, but the documentation was not
updated (the example link was broken for the master branch)
Selected ERB that has the dedicated directory, like CSV. -
- https://github.com/rubygems/rubygems/commit/b1b963b34a
Co-authored-by: David Rodríguez <2887858+deivid-rodriguez@users.noreply.github.com> -
- Strictly more info than just the builtin_type from `assert_ne!`.
Old:
assertion `left != right` failed: ZJIT should only see live objects
left: 0
right: 0
New:
ZJIT saw a dead object. T_type=0, out-of-heap:0x000000... -
- I don't think these methods are hotspots, and since gem specifications
are sometimes serialized to yaml / marshal, I think we should remove as
many instance variables as possible
https://github.com/rubygems/rubygems/commit/40490d918b