Activity
From 04/07/2025 to 04/13/2025
Today
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07:01 AM Feature #20233: pkg-config not working on MSVC
- Can we close this because https://github.com/ruby/ruby/pull/9815 was merged?
- 07:00 AM Revision cfa74dda (git): Update bundled gems list as of 2025-04-13
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02:44 AM Revision 29b26fd3 (git): Fix macro for disabled match cache
- The `MEMOIZE_LOOKAROUND_MATCH_CACHE_POINT` macro needs an argument
otherwise we end up with:
```
../regexec.c:3955:2...
04/12/2025
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05:43 PM Revision 543dd77c (git): [ruby/prism] Fix parsing rescued exception via indexed assignment
- Given this code
```ruby
begin
raise '42'
rescue => A[]
end
```
Prism fails with this backtrace
```
Error: test_u... -
05:39 PM Feature #21262: Proposal: `Ractor::Port`
- ko1 (Koichi Sasada) wrote in #note-8:
> The important point is that we have limited "blocking" synchronization (intr... -
01:13 AM Feature #21262: Proposal: `Ractor::Port`
- The important point is that we have limited "blocking" synchronization (introduced by cross-Ractor communication) to ...
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- Now I understand that `find_work` takes a time and if no consumers are ready, we can't run `find_work` if there is no...
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04:23 PM Revision a35a101b (git): Change the indent after lhs in generation rules from spaces to tabs
- Change the indent to match the characters used in other generation rules. This makes it easier to find lhs.
04/11/2025
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11:59 PM Feature #21264: Extract Date library from Ruby repo in the future
- If we are going to remove stdlib `Date`, I would also prefer that `Date` be a core class instead of demoted to bundle...
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03:51 PM Feature #21264: Extract Date library from Ruby repo in the future
- Is it possible to, on the contrary, make Date a core class? Rails, and many other non-Rails codebases I saw, implicit...
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08:21 AM Feature #21264 (Open): Extract Date library from Ruby repo in the future
- Note: This is not for Ruby 3.5.
`Date` and `DateTime` has no primary maintainer in 10+ years. I would like to depr... -
- ko1 (Koichi Sasada) wrote in #note-5:
> > The problem with the above code is that the consumer Ractor will starve un... -
- > The problem with the above code is that the consumer Ractor will starve until find_work returns.
I think it is s... -
- I like this idea, and I think we should do it, but I think we still need a channel or a queue for the producer / cons...
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- It looks like stat_insn_usage was introduced with YARV, but as far as I
can tell the field has never been used. I th... -
03:53 PM Feature #21258: Retire CGI library from Ruby 3.5
- `CGI.escape_uri_component` and `URI.encode_uri_component` are almost the same except `*` and `~`.
`CGI.escape` and `... -
03:11 PM Feature #21221: Proposal to upstream ZJIT
- > For context YJIT is essentially a baseline JIT given it does little inlining and as you say only one optimization p...
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10:16 AM Feature #21221: Proposal to upstream ZJIT
- Interesting to see work starting on a CRuby optimizing method-based JIT.
For context YJIT is essentially a baseline ... -
09:39 AM Bug #21265 (Open): Crash when proc from Symbol#to_proc called outside refinement scope
- ```ruby
class RefinedScope
using(Module.new { refine(Kernel) { def itself = 0 } })
ITSELF = :itself.to_proc
e... -
- I'd like to go through the discussion in the order written in this HackMD (with Matz's approval).
https://hackmd.i... -
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02:30 AM Feature #21263 (Open): eval-after-require hook
- I want to register hook after require.
But I have no idea how to write it.
Expected use cases:
1. Load related... -
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04/10/2025
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10:23 PM Feature #18035: Introduce general model/semantic for immutability.
- I found a good example of why the proposed interface would be a good idea:
https://github.com/ruby/resolv/pull/62
T... -
06:33 PM Revision f13e86a7 (git): Allow gdb's rp to work on classes offline
- It's useful to be able to get information about classes without a
running process, ie. when debugging a coredump. -
04:02 PM Misc #21154: Document or change Module#autoload?
- Aha, when test.rb is required, currently `autoload` does (almost) nothing because test.rb is already being required, ...
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- @fxn Sorry for the delay. I finally watched your video.
I'm not exactly sure what you meant by "const_get hook", b... -
03:58 PM Revision e3dd766e (git): [ruby/resolv] refactoring class-hash to be ractor-safe
- mutable constants can't be shared across ractors; this changes that design to define the required variables as consta...
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- https://github.com/ruby/resolv/commit/afb57f40a1
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- * [Feature #21262] Proposal: `Ractor::Port` (ko1)
* Considering with [`Channel`](https://bugs.ruby-lang.org/issues... -
12:23 PM Misc #21100: DevMeeting before RubyKaigi 2025
- * [Feature #21219] `Object#inspect` accept a list of instance variables to display (byroot)
* Redefining `#inspect... -
- # Proposal: `Ractor::Port`
In concurrent Ruby applications using Ractors, safely and efficiently communicating res... -
10:21 AM Revision 75647932 (git): Sync Bundler and adapt to new spec setup
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- if irb and that dependency are broken, it caused infinite loop with force_activate("irb").
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09:39 AM Feature #21219: `Object#inspect` accept a list of instance variables to display
- https://github.com/nobu/ruby/tree/inspect_instance_variables
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- To show that mingw `sh` expects forward slashes as path separators, not
backslashes, configure in another directory t... -
08:33 AM Revision 08ce6268 (git): Document order of execution const_added vs inherited
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- I see. Alignment with File makes sense. At least my expectation was that, by dup'ing the IO object, I'd receive a sep...
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- This is how `IO#dup` works. What would be the benefit of `StringIO#dup` behaving differently?
```ruby
f = File.op... -
- Originally, if a class was defined with the class keyword, the cref had a
const_added callback, and the superclass an... -
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- @kou +1, @tompng suggest `URI.escape_query_param`. I prefer these approachs.
@jeremyevans0 I understood your conce...
04/09/2025
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- tenderlovemaking (Aaron Patterson) wrote in #note-7:
> I made a patch for it [here](https://github.com/ruby/ruby/com... -
- jez (Jake Zimmerman) wrote in #note-6:
> I'm curious: could we add a second check after [this check](https://github.... -
08:57 PM Feature #21254: Inlining Class#new
- @tenderlovemaking Question about an extension to the current implementation.
We have a fair amount of code that lo... -
- 11:02 PM Revision 7e093fb4 (git): Fix crash in TCPSocket.open
- Fix segfault crash observable with TCPSocket.open(nil, nil)
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- Backport PR: https://github.com/ruby/ruby/pull/13091
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- https://github.com/ruby/ruby/pull/12934
https://github.com/ruby/ruby/commit/b148dfef5aa208cafa28626fd84c9762bfdfe0ac -
- Applied in changeset commit:git|0d6263bd416338a339651fb97fe4d62701704c4b.
----------
Fix coverage measurement for ne... -
- I created a PR.
https://github.com/ruby/ruby/pull/13089
The PR should prevent `RUBY_EVENT_COVERAGE_LINE` from f... -
03:48 AM Bug #21220: Memory corruption in update_line_coverage() [write at index -1]
- mame (Yusuke Endoh) wrote in #note-8:
> @mbcodeandsound Just FYI, I bet you meant to write `!(1..16).cover?(channel)`... -
- Fixes [Bug #21220]
Co-Authored-By: Mike Bourgeous <mike@mikebourgeous.com>
Co-Authored-By: Jean Boussier <jean.bouss... -
- I am in favor of retiring cgi and keeping cgi/escape feature. Of the two options, I prefer option 1 (keep only cgi/es...
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- `URI.encode` (not `escape`)?
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08:57 AM Feature #21258: Retire CGI library from Ruby 3.5
- I like the idea of deprecating `CGI` and moving the `escape`/`unescape` methods!
JavaScript calls the features `"h... -
- I would like to retire CGI library from Ruby 3.5.0 release. It means CGI is not promoted bundled gems. The users need...
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- I've found that, if I `.dup` a stringio, when I read one of the objects, the cursor also moves internally on the othe...
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- test.rb
```
TracePoint.new(:line) do |tp|
p tp
end.enable
load "./target.rb"
```
target.rb
```
if true... -
- - Compare with the root of the target file
- Fix root path of UNC path -
10:13 AM Revision 5cf7d948 (git): [DOC] Fix contributing link
- It moved in https://github.com/ruby/ruby/pull/13012 but wasn't updated here
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09:23 AM Revision b200bad6 (git): bump teeny
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- ruby_3_3 commit:4ca521e91342165ed35cb12c9868f10e2a6aa07c merged revision(s) commit:06919949a60b42a8f30e8bd0cb075e17b0...
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- [Bug #21141] [DOC] Clarify what time is in UTC
[Bug #21141] [DOC] Refine description of `Time#utc?`
... -
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03:33 AM Bug #21257: YJIT can generate infinite loop when OOM
- YJIT compiles the `first` and `second` methods to this (on x86_64-linux):
```
# regenerate_branch
# Block: first@infi... -
- We've found an edge case where YJIT can generate an infinite loop (jump to the same address) when it's out-of-memory....
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- vs2022 17.14.0 preview 2.0 also has this issue.
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04/08/2025
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- https://github.com/rubygems/rubygems/commit/5b312fd040
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- https://github.com/ruby/json/commit/97f2924d0a
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- https://github.com/ruby/json/commit/97f47d1cfd
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- After exchanging impressions with @byroot today, I have created https://github.com/ruby/ruby/pull/13085 to restore th...
- 05:46 PM Revision d5f94941 (git): [ruby/openssl] Fix the tests using SHA-1 Probabilistic Signature Scheme (PSS) parameters.
- Fedora OpenSSL 3.5 on rawhide stopped accepting SHA-1 PSS[1] parameters.
This is different from the SHA-1 signatures ... -
- Here is a repro without rspec.
```ruby
class C
define_method(:foo) do
p it
end
end
class D < C
... -
- I have the following script:
```rb
require "bundler/inline"
gemfile do
source "https://rubygems.org"
g... -
05:34 PM Misc #20968: `Array#fetch_values` unexpected method name in stack trace
- > In any case, it was reaffirmed that matz strongly prefers that `<internal:` not be displayed.
I somewhat agree t... -
- `rake` suppressed these backtrace at https://github.com/ruby/rake/pull/554
I'm +1 to proposal of mame and matz. - 04:52 PM Revision 5aa05f17 (git): Fix lldb debug scripts (#13048)
- In ruby/ruby#13008 `RVALUE` was removed without replacement. This means
the lldb scripts that relied on `RVALUE` stop... -
- Btw, @ko1 came up with this idea, so I want to say thanks to him.
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- Earlopain (Earlopain _) wrote in #note-3:
> > As you can see in the above output, the Class#new frame is eliminated.... -
- > As you can see in the above output, the Class#new frame is eliminated. I'm not sure if anyone really cares about th...
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- ko1 (Koichi Sasada) wrote in #note-1:
> `swap` is remained?
I [made a patch to remove `swap`](https://github.com/... -
- `swap` is remained?
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- Thank you for you trust Matz!
I think it should be helpful to onboard new people if we have an architecture that i... -
07:10 AM Feature #21221: Proposal to upstream ZJIT
- I agree with making ZJIT upstream. And I feel no worry about the migration, since I trust the team with merging proce...
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- mame (Yusuke Endoh) wrote in #note-9:
> Given the convention of deriving methods such as `key_set` from `keys`, wher... -
- Given the convention of deriving methods such as `key_set` from `keys`, where the former returns a set instead of an ...
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- I tried to build ruby.exe with Windows SDK 10.0.26100. But it failed with:
```
dmyext.obj dmyenc.obj
linking sha... -
- > So I guess I should merge the proposed patch as a precaution?
I think so yes, with that eval code as a test case. -
- byroot (Jean Boussier) wrote in #note-7:
> Can source line ever legitimately be `0`?
With `eval`, it can. It can ... -
- @mbcodeandsound Just FYI, I bet you meant to write `!(1..16).cover?(channel)` in the following line.
https://git... -
- Nice find!
Can source line ever legitimately be `0`? Perhaps we are missing some assertions that would have caught... -
- @byroot Thanks! I think this is an issue of the prism compiler handling the line number around a flip-flop syntax.
t... -
- What I've figured for now it that the corruption is triggered by:
```ruby
# This require line makes sure the or... -
- > The issue reproduces on my machine, but it's very rare.
You can make it happen 100% of the time with the follow... -
- Thanks for the report. The issue reproduces on my machine, but it's very rare. I haven't figured out what happens.
... -
- > I do not know if it's normal for rb_sourceline() to return 0
Yes:
```ruby
const char *
rb_sourcefile(vo... -
- Hi @mame, did you have a chance to watch the video or discuss it in a dev meeting?
-
- ```
2) Error:
TestDir#test_children_long_name:
Test::Unit::ProxyError: No such file or directory @ apply2files - C:... -
- These assertions didn't handle drive letter of Windows
```
1) Failure:
TestFileExhaustive#test_dirname [V:/github.... -
06:00 AM Bug #21104: Net::HTTP connections failing in Ruby >= 3.4.0 on macOS with Happy Eyeballs enabled
>For those experiencing this problem, can you successfully run the following script?
```
➜ ruby-sandbox ruby -...-
03:12 AM Revision d17ab5a4 (git): [ruby/mmtk] Do root scanning in scan_vm_specific_roots
- We rely on scan_vm_specific_roots to reach all stacks via the following
path:
VM -> ractors -> threads -> fibers...
04/07/2025
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- The spinlock here performs poorly when there are multiple Ractors. The
improvement on single threaded performance doe... -
- * [Feature #21254] Inline YARV instructions for `Class#new`
* Patch inlines YARV instructions for calls to `new`
... -
- * [Feature #21221] Proposal to upstream ZJIT
* The YJIT team has been working on ZJIT, a more advanced Ruby JIT
... -
- * [Feature #21216] Implement Set as a core class (jeremyevans0)
* I propose to implement Set as a core class.
*... -
- We would like to propose inlining YARV bytecode for speeding up object allocations, specifically inlining the `Class#...
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- > could only symbols be used to simplify the syntax further?
Technically possible, but not ideal because of variou... -
06:41 PM Feature #21219: `Object#inspect` accept a list of instance variables to display
- From an developer ergonomic standoint, could only symbols be used to simplify the syntax further? Example:
``` rub... -
- I'm fine with either of those, with perhaps a slight preference for `private def inspect_instance_variables = [:@a, :...
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- I agree with @mame that a keyword argument to `#inspect` is undesirable. `#inspect_instance_variables` is one possibl...
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- Just FYI, pretty_print already has that mechanism. It allows to control the list of instance variables that should be...
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- ## Context
The default `Object#inspect` implementation is quite useful to have a generic representation of objects... -
- # Background
For the past 3 months, the YJIT team at Shopify has been working on a next-generation Ruby JIT, which... -
- Something like this should prevent the memory corruption, but may be hiding a deeper issue:
``` diff
--- thread.c... -
- Hello!
I have encountered repeatable memory corruption in Ruby 3.4.2 on Ubuntu 24.04.2 LTS, which I believe is hap... -
- Your patch look really good.
I wonder if it would be possible to do like the `vm->constant_cache` table, have the ... -
02:16 PM Bug #21201: Performance regression when defining methods inside `refine` blocks
- byroot (Jean Boussier) wrote in #note-1:
> The solution is likely to keep the list (set) of all existing call caches... - 02:37 PM Revision 4646ab89 (git): Use correct warn method
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- The `non_block` argument is a positional argument, not a keyword argument, and `{non_block: true}` is considered true...
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11:17 AM Bug #21218 (Rejected): SizedQueue not stopping threads in push even when non_block: false
- Use this to recreate
``` ruby
3.1.4 :019 > sq.push(1, non_block: true)
=> #<Thread::SizedQueue:0x00007f39e759af60... -
01:41 PM Bug #21214 (Closed): VmRSS consumption increase in Ruby 3.4.2 vs Ruby 3.3.6
- Applied in changeset commit:git|d4406f0627c78af31e61f9e07dda9151e109dbc4.
----------
Grow GC heaps independently
[B... -
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- [Bug #21214]
If we allocate objects where one heap holds transient objects and another
holds long lived objects, the... -
- ruby_3_3 commit:a67e9e41846cdadad9bb2d9e9d10223c52253898 merged revision(s) commit:3a7b9ca93b91dcc086b9ac8b9957e59268...
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- Applied in changeset commit:git|3a7b9ca93b91dcc086b9ac8b9957e59268f9493b.
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Fix `Integer.sqrt` to never exc... -
- Fix `Integer.sqrt` to never exceed actual value
`Integer.sqrt` uses `sqrt(3)` from libm for small values.
... -
- The constant pool may be empty.
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- For the record, I went back to a lower level copying code, but made it size pool aware: https://github.com/ruby/ruby/...
- 06:11 AM Revision 135e5bff (git): Update bundled gems list at d485638a08a4561cd2f9c28d29b6d0 [ci skip]
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- ```
D:/a/ruby/ruby/src/gems/src/win32ole/test/win32ole/test_win32ole_event.rb:80:in 'TestWIN32OLE_EVENT_SWbemSink#def... -
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- https://github.com/test-unit/test-unit/commit/b7d3c32f6e334e1823e30c053c2268893cf073ef
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- `Integer.sqrt` uses `sqrt(3)` from libm for small values.
This method must return a value less than or equal to the a...
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