Activity
From 07/04/2025 to 07/10/2025
Today
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09:04 AM Feature #21454 (Feedback): "undefined method 'break' for an instance of Binding"
- In today's dev meeting, we emphasized that it's important to ensure `binding.break` (or `debugger`) is removed before...
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08:57 AM Feature #21454: "undefined method 'break' for an instance of Binding"
- Use no-dbg.rb with `RUBYOPT=-rno-dbg` when you run without `rdbg`.
```ruby
class Binding
def break = nil
end
... -
08:56 AM Feature #21435 (Rejected): Kernel#then_try as a conditional #then
- From my point of view, it doesn't make the code clearer. Besides that, the core Ruby does not provide even `#try`.
M... -
- I agree with @jeremyevans0 here. I consider this as an optimization.
Matz.
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08:51 AM Feature #21386: Introduce `Enumerable#join_map`
- FWIW, this function is called `mapconcat` in Emacs: https://www.gnu.org/software/emacs/manual/html_node/elisp/Mapping...
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- I reject this proposal. Simply combine join and map at the moment.
I hope JIT inlining will remove intermediate obje... -
02:54 AM Feature #21386: Introduce `Enumerable#join_map`
- https://github.com/ruby/dev-meeting-log/blob/master/2019/DevMeeting-2019-03-11.md
> [Feature #15323] Proposal: Add... -
- Probably we would have Ruby4.0 in 2025, but I am not going to make frozen-string-literal default this year.
Matz.
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- It's fundamentally `join_map` we have rejected. Array#join should join, not mapping.
We are not going to add every e... -
- I don't think it's worth adding a new method.
Matz.
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- I don't think other candidates are better. Probably typical usage `str.ensure_suffix(".rb")` helps you understand the...
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- I'd like to have `Ractor.shareble_proc` and `Ractor.sharable_lambda`. See the agenda from 20250710 developer meeting....
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- I accept the proposal.
Matz.
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08:15 AM Feature #21442 (Assigned): Make tsort to bundled gems
- I got the approval from @akr at https://bugs.ruby-lang.org/issues/21399
I added warning for this at commit:65a0f46... -
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- https://github.com/rubygems/rubygems/commit/afbbc02763
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- Regarding the original proposal, I'd accept making Pathname built-in, considering its wide accepting among the commun...
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03:44 AM Bug #19473: can't be called from trap context (ThreadError) is too limiting
- We know that signal handlers run in a trap context, but are there other ways this can happen? I was under the impress...
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12:28 AM Revision 581da51c (git): Fix whitespace on some RB_VM_LOCKING calls
07/09/2025
- 11:03 PM Revision f5085c70 (git): ZJIT: Mark profiled objects when marking ISEQ (#13784)
- 09:51 PM Revision 1e3d24a0 (git): [ruby/prism] Accept a newline after the defined? keyword [Backport #21197] (#13327)
- * [ruby/prism] Accept a newline after the defined? keyword
[Bug #21197]
https://github.com/ruby/prism/commit/22be95... - 09:50 PM Revision 1df94aaf (git): ZJIT: Name side-exit test cases correctly
- 09:50 PM Revision e2a81c73 (git): ZJIT: Optimize `opt_and` and `opt_or` instructions for Fixnum
- 09:50 PM Revision 10b582da (git): ZJIT: Profile `opt_and` and `opt_or` instructions
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- I opened https://github.com/ruby/ruby/pull/13838 which fixes this
```
./miniruby -e 'Ractor.new { exit }.join'
-... -
06:42 PM Revision b146eae3 (git): [DOC] Tweaks for String#clear
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06:41 PM Feature #21386: Introduce `Enumerable#join_map`
- I am against this.
Ergonomics: Adding a special "X_Y" method for every common pattern of "X followed by Y" is truly ... -
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- Previously it was possible for two atomic increments of next_shape_id
running concurrently to overflow MAX_SHAPE_ID. ... -
- When sharing between threads we need both atomic reads and writes. We
probably didn't need to use this in some cases ... -
- This was using < so subtract one from the last shape id would have us
miss the last inserted shape. I think this is u... -
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01:11 PM Revision 08738779 (git): Update to ruby/spec@ed254ba
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- This reverts commit https://github.com/ruby/io-wait/commit/2eb3841e9c8f.
Ruby 2.6 support has been dropped.
https:/... -
10:54 AM Bug #21506 (Open): Fix timeout in `Addrinfo.getaddrinfo` to actually take effect
- ### Description
This change fixes an issue where the timeout option in `Addrinfo.getaddrinfo` was not functioning as... -
- > Yes, for example gems like webservers like Puma set trap handlers.
The trap handler code that has already been w... -
08:37 AM Bug #19473: can't be called from trap context (ThreadError) is too limiting
- mame (Yusuke Endoh) wrote in #note-25:
> Indeed, creating a new thread for each signal arrival is extremely simple.
... -
- > Run signal handlers not on the main thread but another thread.
While I don't have a strong opinion on this, I pe... -
- the gem a noop on Rubies older than
2.6"
This reverts commit https://github.com/ruby/io-wait/commit/75fcb74c327f.
T... -
- io-wait became a default gem at ruby 3.0.
Even it can be installed on earlier versions, but the standard library
will... -
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- 0a0eb2807ed7 has already replaced most of that code.
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- Regarding thread-safety, for `add?` the only thing is the return value where the old implementation might potentially...
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06:35 AM Bug #21396: Set#initialize should call Set#add on items passed in
- knu (Akinori MUSHA) wrote in #note-10:
> Jeremy, thanks for the reply.
>
> Your point about thread-safety is well... -
- Jeremy, thanks for the reply.
Your point about thread-safety is well taken. It is an important advantage. As a p... -
- knu (Akinori MUSHA) wrote in #note-8:
> Considering the feedback we've received about compatibility in the new exper... -
- io-nonblock became a default gem at ruby 3.0.
Even it can be installed on earlier versions, but the standard library
... - 04:48 AM Revision 4ed27575 (git): [rubygems/rubygems] Update gemspec based on provided github username when exists
- * Conditionally set changelog_url if gh username passed
and enabled
* conditionally set homepage, source code uri, ho... - 04:48 AM Revision 3feba181 (git): [rubygems/rubygems] Let s3_uri_signer accept the HTTP method
- https://github.com/rubygems/rubygems/commit/35fc7f9547
- 04:48 AM Revision 5d880b75 (git): [rubygems/rubygems] Correctly sign S3 HEAD requests
- We sometimes send HEAD requests. The s3_uri_signer.rb code allways assumed GETs.
This lead to consistently getting 40... - 04:48 AM Revision af6012b9 (git): [rubygems/rubygems] Fix date format in S3 URI signer
- %M is minute of the hour.
%m is month of year.
We want the former, not the latter.
https://github.com/rubygems/rubyg... -
04:48 AM Revision c6da0197 (git): [rubygems/rubygems] Add blank line after every question
- To try make output a bit less messy.
https://github.com/rubygems/rubygems/commit/92c8bc6769 -
- If we use long explanations as prompts, sometimes the prompt gets
printed twice due to a (I think) reline/readline bu... -
- Previous wording assumed explanation was displayed after the question,
not before.
https://github.com/rubygems/rubyg... - 03:56 AM Revision e9cd3060 (git): ZJIT: Support guarding *Exact types (#13797)
- ZJIT already can generate guard type instructions for *Exact types.
For example:
```
def test(strings)
strings.ma...
07/08/2025
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09:12 PM Bug #21505: [Ractor] calling exit from non-main ractor will hang if main ractor waits on it
- Yeah fair enough. It's probably not as complicated to fix as I initially thought.
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- `Kernel#exit` is basically just `raise SystemExit`, does it mean any exception in a Ractor hangs?
IOW, I don't think ... -
- ```ruby
r = Ractor.new do
exit
end
r.join # hangs
```
Should `exit` be allowed in ractors? It would be ea... -
- ivoanjo (Ivo Anjo) wrote in #note-6:
> I must admit I'm a bit torn on this. As I mentioned above, often the `.c` fil... -
- matz (Yukihiro Matsumoto) wrote in #note-5:
> In my opinion, the typical Ruby user is not interested in line numbers... -
08:33 AM Feature #21501: Include native filenames in backtraces as sources for native methods
- For me the usefulness is in understanding both what and where something is happening even without needing to go into ...
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- I didn't quite understand what makes you happy with this proposal. Could you explain a little more how it would be us...
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- OK, thank you all 3 for clarifying.
I understand that point of view, even though I don't fully agree with it.
One... -
11:24 AM Bug #19473: can't be called from trap context (ThreadError) is too limiting
- Locking multiple mutex with a fixed order is considered to be deadlock-safe, but permitting mutex in signal_handler, ...
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- If `Mutex#lock` were permitted inside a trap handler, a program like the following would have a very hard-to-reproduc...
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- Eregon (Benoit Daloze) wrote in #note-20:
> I think a simple way to look at this issue is to analyze all cases:
> 1... -
07:57 PM Revision c691095f (git): ZJIT: Use BitSet in HIR
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- 07:51 PM Revision 342ada15 (git): ZJIT: Use nil? optimization to test guard generation against different types
- 07:51 PM Revision 79915e6f (git): ZJIT: Profile `nil?` calls
- This allows ZJIT to profile `nil?` calls and create type guards for
its receiver.
- Add `zjit_profile` to `opt_nil_p... -
- The following code hangs when run with `RUBY_MAX_CPU=2 make run`:
Note: `RUBY_MAX_CPU` is set to 2 so that only 1 ... -
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- 04:28 PM Revision 9e4157a0 (git): ZJIT: Make type definition code more consistent
- 04:28 PM Revision af892c1b (git): ZJIT: More accurately model Class types
- 04:28 PM Revision 6c200828 (git): ZJIT: Support inference of ModuleExact type
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- I'm leaning toward making Set subclass-friendly again. That's how I've always wanted Set to be (unlike Array and Has...
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- Considering the feedback we've received about compatibility in the new experimental Set implementation, it may be in ...
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02:34 PM Bug #21029: Prism behavior for `defined? (;x)` differs
- @S_H_ I agree, I think the overhead is not worth it in this case and we should pretend the `;` do not exist on both c...
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02:23 PM Bug #21029: Prism behavior for `defined? (;x)` differs
- I've fixed that `defined? (x;)` returns an `expression` when using parse.y.
https://github.com/ruby/ruby/pull/13821
... -
- https://github.com/ruby/uri/commit/d79b3f5b94
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- https://github.com/ruby/etc/commit/9caddede76
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- https://github.com/ruby/delegate/commit/5ee4189537
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- I have a different view on this proposal.
If `Array#join` were to accept a block, I would expect its behavior to r... - 07:26 AM Revision c913a635 (git): Update default gems list at b9782ab8932f9fb6a24a0522c579ca [ci skip]
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- https://github.com/ruby/resolv/commit/a28aaed4cb
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- RFC 1035 specifies the 255-octet maximum name length. This change set
checks the limit.
https://github.com/ruby/reso... -
- https://github.com/ruby/tsort/commit/bf2e3a8695
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- https://github.com/ruby/tsort/commit/ab55dcb7f3
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- https://github.com/ruby/tsort/commit/1d1711ad23
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- https://github.com/ruby/dev-meeting-log/blob/master/2025/DevMeeting-2025-06-05.md#feature-21262-proposal-ractorport
... -
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- There is already a PR for that: https://github.com/ruby/ruby/pull/7711
Can you take a look? @duerst @naruse -
12:11 AM Feature #20405: Inline comments
- I like Marco's proposal, but I wonder how much code out there could potentially break.
07/07/2025
- 11:46 PM Revision e0841a79 (git): ZJIT: Fix Rust warnings (#13813)
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11:32 PM Revision 0239809a (git): Remove test/.excludes/_appveyor
- We don't run AppVeyor anymore, so we shouldn't need this.
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- It seems nice, but I think it would be even more helpful to show lines in C files.
I think this could be achieved by... -
- > I don't think it will need such platform specific code.
> Probably it would be possible by: [...]
I'm thinking ... -
- I don't think it will need such platform specific code.
Probably it would be possible by:
* in `require_internal`, st... -
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06:39 PM Bug #21503: \p{Word} does not match on \p{Join_Control} while docs say it does
- What I mean is that the current implementation of `\p{Word}` does not seem to match `\p{Join_Control}` even though it...
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- in the [docs](https://ruby-doc.org/3.4.1/Regexp.html#:~:text=/%5Cp%7B-,Word,-%7D/%3A%20A%20member) it is mentioned th...
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06:26 PM Revision 1f024cfd (git): ZJIT: Add opnds macro for Vec<InsnId> to Vec<Opnd> (#13805)
- Along the same lines as the `opnd` macro we already have, but for a
`Vec<InsnId>` instead of a single `InsnId`.
This... - 03:45 PM Revision c1937480 (git): ZJIT: Add a simple HIR validator (#13780)
- This PR adds a simple validator for ZJIT's HIR.
See issue https://github.com/Shopify/ruby/issues/591 -
01:12 PM Revision 0bb44f29 (git): Rename `ractor_safe_set` into `concurrent_set`
- There's nothing ractor related in them, and the classic terminology
for these sort of data structures is `concurrent-... -
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- None of the datastructures involved in the require process are
safe to call on a secondary ractor, however when autol... -
- Prior to this commit the debug output for negative offsets would look
like:
```
Mem64[Reg(3) - -8
```
That makes it... -
- https://github.com/ruby/json/commit/a497c71960
- 02:53 AM Revision e1d09ffe (git): [rubygems/rubygems] Update SPDX license list as of 2025-07-01
- https://github.com/rubygems/rubygems/commit/56b55a198a
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- https://github.com/rubygems/rubygems/commit/265f718be7
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- "locally to the installing Ruby installation" felt a bit confusing.
https://github.com/rubygems/rubygems/commit/c950... -
- https://github.com/rubygems/rubygems/commit/4b8570ae15
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- I suspect most experienced users won't like the change in defaults, so
document the setting to toggle back the curren... -
- It only affected the `--path` flag which is actually getting removed, so
I don't think it makes sense to make such ch... -
- And rename the shared examples to "paths dependent on gem name".
https://github.com/rubygems/rubygems/commit/cdcc8ba92a -
- So that they don't run repeatedly.
https://github.com/rubygems/rubygems/commit/1f65e879f4 -
- https://github.com/rubygems/rubygems/commit/eac831a1b7
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- They were only being run for "edge case" names, yet it tests all kind of
things about generation.
https://github.com... -
- https://github.com/rubygems/rubygems/commit/27a4af859e
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- Originally, all the specs in this file were put inside a shared examples
block, and since then all specs were run onl... -
- The previous default can already be configured with `bundle config
path.system true`.
https://github.com/rubygems/ru... -
- This spec now only runs in Bundler 2 mode.
https://github.com/rubygems/rubygems/commit/f52cb240ca -
- There already different ways of toggling off this behavior, like setting
`bundle config clean false`, or configuring ...
07/06/2025
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05:20 PM Bug #21502: Segfault with 3.2.8 with frida gem
- You just beat me to it - thanks Jeremy.
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- Reading https://github.com/hakivvi/frida-ruby/issues/2#issuecomment-3042173245, it looks like it was a bug in the gem...
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- Last good release running this code was 3.2.4. Segfault observed in 3.2.5 onwards - see my comment on the gem maintai...
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- I've just seen a segfault executing the following code in irb with the frida gem:
``` shell
$ rbenv versions
* 3... - 07:04 AM Revision 4d7e6220 (git): Update bundled gems list as of 2025-07-06
07/05/2025
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- Consider this example:
```ruby
require 'bigdecimal'
BigDecimal.singleton_class.prepend(
Module.new do
... -
05:39 PM Feature #21386: Introduce `Enumerable#join_map`
- nobu (Nobuyoshi Nakada) wrote in #note-4:
> This code would show the difference more clearly.
>
> ```ruby
> [[1,2],3... -
02:27 PM Feature #21386: Introduce `Enumerable#join_map`
- My expectation is that join_map would behave like map + join
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- This code would show the difference more clearly.
```ruby
[[1,2],3].map {|n|[n]}.join("|") #=> "1|2|3"
[[1,2],3]... -
- prateekkish@gmail.com (Prateek Choudhary) wrote in #note-2:
> PR: https://github.com/ruby/ruby/pull/13792
This di... -
- PR: https://github.com/ruby/ruby/pull/13792
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02:03 PM Revision b6817392 (git): [ruby/openssl] pkey/ec: avoid calling SYM2ID() on user-supplied objects
- Compare by the VALUE value instead of ID. Calling SYM2ID() on a dynamic
symbol will pin a permanent ID.
These method... -
- Ruby Parser not used LIKELY macro.
So, can remove it.
07/04/2025
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- WBCHECK ERROR: Missed write barrier detected!
Parent object: 0x7c4a5f1f66c0 (wb_protected: true)
rb_obj... -
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- Previously this write barrier was using the destination object as the
new parent, rather than the fields object.
Fou... -
- When moving a "generic IV" object, we need a write barrier to the fields
object.
WBCHECK ERROR: Missed write barr... -
- $ RUBY_GC_LIBRARY=wbcheck ./miniruby -e 's = String.new; s.instance_variable_set(:@x, []); Ractor.make_shareable(s, c...
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09:41 PM Revision 116d1106 (git): Assume that symbol in rb_check_symbol is not garbage
- rb_check_symbol is a public API, so it is always a bug if the user holds
on to a dead object and passes it in. -
- This doesn't reproduce on my machine on 3.5dev, and there have been a number of improvements to Ractors likely to hav...
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- fxn (Xavier Noria) wrote in #note-13:
> Is constant access synchronized as it is for threads?
>
> If a constant h... -
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- TLS 1.3 renamed the "elliptic_curves" extension to "supported_groups"
to reflect that it now covers more than just EC... - 07:05 AM Revision 4d6fac3e (git): Update bundled gems list as of 2025-07-03
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- This reverts commit cf4d37fbc079116453e69cf08ea8007d0e1c73e6.
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- This reverts commit dda5a04f2b4835582dba09ba33797258a61efafe.
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- 12:43 AM Revision 68af1929 (git): Support inference of ClassExact type
- 12:43 AM Revision 0c694b56 (git): Add missed runtime_exact_ruby_class case for Regexp
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