Activity
From 07/05/2025 to 07/11/2025
Today
- 05:47 AM Revision 0058bee5 (git): Fix `heap-use-after-free` in `rb_getaddrinfo` (#13856)
- This change addresses the following ASAN error:
```
==1973462==ERROR: AddressSanitizer: heap-use-after-free on addre... -
05:45 AM Feature #21039: Ractor.make_shareable breaks block semantics (seeing updated captured variables) of existing blocks
- The followings are also approved; changing an existing proc object to shareable should be prohibited.
> * raise on... -
- https://github.com/ruby/dev-meeting-log/blob/master/2025/DevMeeting-2025-07-10.md#feature-21039-ractormake_shareable-...
-
-
- # The next dev meeting
**Date: 2025/08/21 13:00-17:00** (JST)
Log: *TBD*
- Dev meeting *IS NOT* a decision-mak... -
-
- This is currently an intended implementation limitation.
This behavior comes from the specifications of Onigmo, wh... -
02:48 AM Bug #21507 (Open): Regexp considers variable repetition quantifiers invalid in lookbehind
- This is my first bug subscription, please feel free to tell me if I can do anything better.
# Description
Attem... -
- Let me clarify why the current behavior is generally preferred.
The underlying premise is that a bug is far more l... - 01:15 AM Revision a02dcbfd (git): Remove accidentally committed method Module.gccct_clear_table
- This was probably meant to be only for debugging. It was introduced in
the big namespace on read commit: 382645d440d - 01:12 AM Revision 0e2bae82 (git): ZJIT: Print a message about ZJIT_RB_BUG when unused (#13852)
-
12:26 AM Bug #21503 (Closed): \p{Word} does not match on \p{Join_Control} while docs say it does
- https://github.com/ruby/ruby/pull/7711 has been merged
07/10/2025
-
10:57 PM Bug #21505 (Closed): [Ractor] calling exit from non-main ractor will hang if main ractor waits on it
- Applied in changeset commit:git|6c66458070e2de45213f473ac30b431ebea81b9b.
----------
Fix rb_eSystemExit raised in Ra... -
- [Bug #21505]
Previously `Ractor.new { exit }.join` would hang because SystemExit was
special cased.
This commit upd... - 09:10 PM Revision 470e11a4 (git): ZJIT: Mark Snapshot as having an output
- Other instructions use it as an operand and #13814 especially needs it
to have an output for validation. - 09:10 PM Revision 45be0e99 (git): ZJIT: Validate that each IR instruction appears at most once
- 08:40 PM Revision b1828cbb (git): ZJIT: Implement patch points on BOP redefinition (#13850)
- Co-authored-by: Max Bernstein <[email protected]>
- 07:11 PM Revision 214983bd (git): ZJIT: Add def-use validator via dataflow analysis (#13814)
- This PR adds a validator based on dataflow analysis to ZJIT. It checks that all uses are dominated by a GEN-DEF prior...
- 07:08 PM Revision 9ab80a74 (git): ZJIT: Avoid optimizing locals on eval (#13840)
- * ZJIT: Avoid optimizing locals on eval
* Maintain the local state for eval -
03:56 PM Revision 9d41541b (git): Fix unused variable warnings in default.c in modular GC
- The asan and valgrind macros when BUILDING_MODULAR_GC don't use the variables
which could the compiler to emit unused... -
03:18 PM Revision 1fb4929a (git): Make `rb_enc_autoload_p` atomic
- Using `encoding->max_enc_len` as a way to check if the encoding
has been loaded isn't atomic, because it's not atomic... -
02:40 PM Revision 51252ef8 (git): [DOC] Tweaks for String#concat (#13836)
-
-
12:42 PM Revision 800de989 (git): [Bug #19417] Update version guard
-
12:35 PM
Bug #21506 (Closed): Fix timeout in `Addrinfo.getaddrinfo` to actually take effect
- Applied in changeset commit:git|cdeb9c4d7020d36f157fde57eb12108c2515f031.
----------
Fix timeout in Addrinfo.getaddr... - 12:35 PM Revision cdeb9c4d (git): Fix timeout in Addrinfo.getaddrinfo to actually take effect (#13803)
- [Bug #21506] Fix timeout in Addrinfo.getaddrinfo to actually take effect
This change fixes an issue where the timeou... -
12:28 PM Revision bd18238a (git): [Bug #19417] Make word prop match join_control ...
- ... to conform to UTS 18 as mentioned in https://bugs.ruby-lang.org/issues/19417#note-3
https://unicode.org/reports/... -
12:02 PM Feature #21454: "undefined method 'break' for an instance of Binding"
- nobu (Nobuyoshi Nakada) wrote in #note-1:
> Use no-dbg.rb with `RUBYOPT=-rno-dbg` when you run without `rdbg`.
>
... -
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...
-
- Use no-dbg.rb with `RUBYOPT=-rno-dbg` when you run without `rdbg`.
```ruby
class Binding
def break = nil
end
... -
09:39 AM Bug #21503: \p{Word} does not match on \p{Join_Control} while docs say it does
- It looks `\p{Word}` is updated in TR#18 Version 15.
https://www.unicode.org/reports/tr18/tr18-15.html
The fix looks... -
- dE (dE Techno) wrote:
> not sure what signal it sends, it's undocumented
No signal is sent.
Send a signal by y... -
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.
-
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...
-
- I reject this proposal. Simply combine join and map at the moment.
I hope JIT inlining will remove intermediate obje... -
- 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.
-
- 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.
-
- I don't think other candidates are better. Probably typical usage `str.ensure_suffix(".rb")` helps you understand the...
-
- I'd like to have `Ractor.shareble_proc` and `Ractor.sharable_lambda`. See the agenda from 20250710 developer meeting....
-
- I accept the proposal.
Matz.
-
- I got the approval from @akr at https://bugs.ruby-lang.org/issues/21399
I added warning for this at commit:65a0f46... -
-
-
- https://github.com/rubygems/rubygems/commit/afbbc02763
-
- Regarding the original proposal, I'd accept making Pathname built-in, considering its wide accepting among the commun...
-
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...
-
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
-
- I opened https://github.com/ruby/ruby/pull/13838 which fixes this
```
./miniruby -e 'Ractor.new { exit }.join'
-... -
-
-
-
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 ... -
-
- 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... -
-
-
-
-
01:11 PM Revision 08738779 (git): Update to ruby/spec@ed254ba
-
- This reverts commit https://github.com/ruby/io-wait/commit/2eb3841e9c8f.
Ruby 2.6 support has been dropped.
https:/... -
10:54 AM Bug #21506 (Closed): 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... -
-
- 0a0eb2807ed7 has already replaced most of that code.
-
- Regarding thread-safety, for `add?` the only thing is the return value where the old implementation might potentially...
-
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
-
-
-
-
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.
-
- `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 ...
-
- I didn't quite understand what makes you happy with this proposal. Could you explain a little more how it would be us...
-
- 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, ...
-
- If `Mutex#lock` were permitted inside a trap handler, a program like the following would have a very hard-to-reproduc...
-
- 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
-
- 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 ... -
-
-
- 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
-
- I'm leaning toward making Set subclass-friendly again. That's how I've always wanted Set to be (unlike Array and Has...
-
- Considering the feedback we've received about compatibility in the new experimental Set implementation, it may be in ...
-
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...
-
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
-
- https://github.com/ruby/etc/commit/9caddede76
-
- https://github.com/ruby/delegate/commit/5ee4189537
-
- 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]
-
- https://github.com/ruby/resolv/commit/a28aaed4cb
-
- 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
-
- https://github.com/ruby/tsort/commit/ab55dcb7f3
-
- https://github.com/ruby/tsort/commit/1d1711ad23
-
- https://github.com/ruby/dev-meeting-log/blob/master/2025/DevMeeting-2025-06-05.md#feature-21262-proposal-ractorport
... -
-
- 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)
-
11:32 PM Revision 0239809a (git): Remove test/.excludes/_appveyor
- We don't run AppVeyor anymore, so we shouldn't need this.
-
- 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... -
-
-
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...
-
- in the [docs](https://ruby-doc.org/3.4.1/Regexp.html#:~:text=/%5Cp%7B-,Word,-%7D/%3A%20A%20member) it is mentioned th...
-
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 -
- There's nothing ractor related in them, and the classic terminology
for these sort of data structures is `concurrent-... -
-
-
- 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
-
- https://github.com/rubygems/rubygems/commit/265f718be7
-
- "locally to the installing Ruby installation" felt a bit confusing.
https://github.com/rubygems/rubygems/commit/c950... -
- https://github.com/rubygems/rubygems/commit/4b8570ae15
-
- 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
-
- 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
-
- 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
-
05:20 PM Bug #21502: Segfault with 3.2.8 with frida gem
- You just beat me to it - thanks Jeremy.
-
- Reading https://github.com/hakivvi/frida-ruby/issues/2#issuecomment-3042173245, it looks like it was a bug in the gem...
-
- Last good release running this code was 3.2.4. Segfault observed in 3.2.5 onwards - see my comment on the gem maintai...
-
- 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
-
- 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
-
- This code would show the difference more clearly.
```ruby
[[1,2],3].map {|n|[n]}.join("|") #=> "1|2|3"
[[1,2],3]... -
- [email protected] (Prateek Choudhary) wrote in #note-2:
> PR: https://github.com/ruby/ruby/pull/13792
This di... -
- PR: https://github.com/ruby/ruby/pull/13792
-
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.
Also available in: Atom