Activity
From 12/20/2025 to 12/26/2025
Today
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08:06 PM Revision dedde996 (git): [DOC] Use Japanese for multi-byte characters (#15745)
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03:14 PM Revision 7b3b1a14 (git): [DOC] Use self in call-seq for Method#call
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12:05 PM Revision b304c149 (git): [DOC] Remove outdated documentation about command injection
- [Feature #19630]
This dangerous behavior was removed in 4.0 (996cae65f3cc8fed60c6bb758b00882cac49389d)
but the documentation wasn't updated. -
10:33 AM Revision c3424615 (git): Remove an useless macro definition `RSTRUCT_PTR`
- The underlying definition, `rb_struct_ptr`, was removed four years
ago. -
09:10 AM Bug #21801: compile failed at 4.0.0 preview 3 and snapshot issue
- nobu (Nobuyoshi Nakada) wrote in #note-2:
> darkspy (gerty ken) wrote:
> ...
i tryied 4.0.0 release on msys 2. same result as above -
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- The backport to only 3.4 is required.
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03:40 AM Bug #21807 (Closed): ArgumentError is reported when forwarding arguments to method with intermediate optional arguments
- In Ruby 3.4.x, `ArgumentError` is reported when forwarding arguments to a method with intermediate optional arguments.
How to reproduce:
Execute sample below.
``` ruby
class Foo
def foo(a = nil, b)
p a, b
end
end
... -
06:47 AM Bug #21808 (Assigned): Inconsistency in support of additional newlines with boolean logical operators on new line
- If I recall, this is intentional. A blank line before a period for a method call also causes a parsing error.
```
$ ruby -e '"foo"
>
> ...
-e: -e:3: syntax error found (SyntaxError)
1 | "foo"
2 |
> 3 | .upcase
| ^ unexp... -
06:16 AM Bug #21808 (Assigned): Inconsistency in support of additional newlines with boolean logical operators on new line
- With this I mean the new Ruby 4 feature.
With the old style, one could add additional lines in between:
```ruby
if true &&
true
puts 'match'
end
```
With the new style, this results in a syntax error
```ruby
if true... -
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- Include internal/error.h instead.
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- 05:05 AM Revision b01fd2d8 (git): Fix RSET_IS_MEMBER macro parameter mismatch
- The RSET_IS_MEMBER macro had a parameter named 'sobj' but the macro
body used 'set' instead, causing the first argument to be ignored.
This worked by accident because all current callers use a variable
named 'set', but would cause compi... -
- 03:38 AM Revision 594dd8bf (git): [ruby/pp] Support private instance_variables_to_inspect
- (https://github.com/ruby/pp/pull/70)
* Support private instance_variables_to_inspect in pp
Ruby supports calling instance_variables_to_inspect even when
it is defined as a private method (ruby/ruby#13555).
This change aligns pp with R... -
03:12 AM Revision 9824724b (git): Skip test_write_binary(GemSingletonTest) at rbs tests
- ```
Errno::EACCES: Permission denied @ rb_file_s_rename
...
D:/a/ruby/ruby/src/lib/rubygems/util/atomic_file_writer.rb:42:in 'File.rename'
```
It may caused with atomic_file_writer.rb -
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- 02:01 AM Revision e95a9942 (git): Update default gems list at 565ea26ad10ea8c3c6ce9bdae6cbb7 [ci skip]
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- 02:00 AM Revision 70c7f3ad (git): [ruby/strscan] Bump version
- https://github.com/ruby/strscan/commit/747a3b5def
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02:00 AM Revision fda7019c (git): [ruby/net-protocol] Add Net::Protocol::TCP_SOCKET_NEW_HAS_OPEN_TIMEOUT
- * To find out efficiently if TCPSocket#initialize supports the open_timeout keyword argument.
https://github.com/ruby/net-protocol/commit/738c06f950 -
- https://github.com/ruby/json/commit/a5c160f372
- 02:00 AM Revision 8ccfb375 (git): [ruby/json] Update `fpconv_dtoa` definition to use `dest[32]`
- https://github.com/ruby/json/commit/4808fee9af
- 02:00 AM Revision 1f526b34 (git): [ruby/ipaddr] Follow-up fix for InvalidAddressError messages
- https://github.com/ruby/ipaddr/commit/b92ef74b91
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02:00 AM Revision f3149af3 (git): [ruby/prism] Sync `Prism::Translation::ParserCurrent` with Ruby 4.0
- This PR updates the fallback version for `Prism::Translation::ParserCurrent` from 3.4 to 4.0.
Currently, the fallback resolves to `Parser34`, as shown below:
```console
$ ruby -v -rprism -rprism/translation/parser_current -e 'p Prism::... - 02:00 AM Revision 44a17656 (git): [ruby/timeout] add test case for string argument
- https://github.com/ruby/timeout/commit/fef9d07f44
- 02:00 AM Revision f8d0960a (git): [ruby/resolv] Handle TCP Requester #recv_reply incomplete data
- https://github.com/ruby/resolv/commit/9c640bdc4a
- 02:00 AM Revision 4b7bbd43 (git): [ruby/resolv] Fix TCP Requester #recv_reply
- https://github.com/ruby/resolv/commit/96dc3d15fe
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02:00 AM Revision bdbe8d50 (git): [ruby/rubygems] Write gem files atomically
- This change updates `write_binary` to use a new class,
`AtomicFileWriter.open` to write the gem's files. This implementation
is borrowed from Active Support's [`atomic_write`](https://github.com/rails/rails/blob/main/activesupport/lib/ac... -
- https://github.com/ruby/rubygems/commit/43371085f4
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02:00 AM Revision 80242458 (git): [ruby/date] remove conditional for uint64_t
- https://github.com/ruby/date/commit/47778c32d8
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- https://github.com/ruby/date/commit/5e6a458179
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- https://github.com/ruby/date/commit/2682dc79c0
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- https://github.com/ruby/date/commit/cd7a329dfd
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- Replace floating-point arithmetic and iterative loops with pure integer
operations for ~40% faster Date operations. Date.ordinal and Date.commercial
are ~2x faster due to O(1) first-day-of-year calculation.
Reference: https://arxiv.org/... -
- (https://github.com/ruby/stringio/pull/197)
Previous doc merely linked to `IO#read`; new doc stays local, shows
examples using `StringIO`.
https://github.com/ruby/stringio/commit/e8b66f8cdd -
- (https://github.com/ruby/stringio/pull/196)
Previous doc merely linked to `IO#putc`. The new doc stays local,
provides examples using `StringIO` objects.
https://github.com/ruby/stringio/commit/8983f32c50 -
- (https://github.com/ruby/stringio/pull/195)
Previous doc unhelpfully pointed to `IO#pread`; this PR documents
locally, with StringIO examples.
https://github.com/ruby/stringio/commit/806f3d9741 - 02:00 AM Revision 67f830e0 (git): [ruby/stringio] Development of 3.2.1 started.
- https://github.com/ruby/stringio/commit/c9cd1c9947
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- https://github.com/ruby/mmtk/commit/f4c46cabc7
- 12:07 AM Revision 715d69ac (git): Update default gems list at a06a59e3b34cd5227363dc3af14dc6 [ci skip]
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12/25/2025
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11:59 PM Revision 010dcf85 (git): Development of 4.1.0 started.
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11:39 PM Bug #21806 (Assigned): `bundler/inline` generates "uninitialized constant Gem::NameTuple" only when RUBY_BOX=1
- ## Steps to reproduce
1. Prepare a file that uses "bundler/inline"
2. Run with RUBY_BOX=1
```ruby
# issue.rb
require "bundler/inline"
gemfile(true) do
source "https://rubygems.org"
gem "json"
end
require "json"
put... -
10:46 PM Bug #21805 (Open): Wrong "key not found" in NoMatchingPatternKeyError when destructuring Data
- Consider
```
Foo = Data.define(:x)
Foo.new(1) => {x:, z:}
```
It raises `#<data Foo x=1>: key not found: :x (NoMatchingPatternKeyError)`
Clearly the message is misleading, as it is key :z that is missing. -
- In this case the update is automated and ready to be merged by the repo maintainer: https://github.com/ruby/setup-ruby/pull/844
If I may, the issue to me seems more to be like many Ruby owned projects, it's mostly a one person show, s... -
- ruby/setup-ruby is commonly used for development in OSS projects and real-world Rails applications.
https://github.com/ruby/setup-ruby
This is not specific to Ruby 4.0.0. There is often a delay between a Ruby release and the availabi... -
- Applied in changeset commit:git|10b97f52fd2cba189b8952fcb02c4d6dd9b1b6f2.
----------
Implement declaring weak references
[Feature #21084]
# Summary
The current way of marking weak references uses `rb_gc_mark_weak(VALUE *ptr)`.
This ... -
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- [Feature #21084]
# Summary
The current way of marking weak references uses `rb_gc_mark_weak(VALUE *ptr)`.
This presents challenges because Ruby's GC is incremental, meaning that if the
`ptr` changes (e.g. realloc'd or free'd), then we... -
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12:35 PM Revision 099da884 (git): test_box: avoid failure with --program-suffix (#15734)
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06:31 AM Revision 6a66129d (git): fix the condition of www repo
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06:03 AM Misc #21777: DevMeeting-2026-01-14
- - [Bug #21803] `Addrinfo#connect_internal` should raise `IO::TimeoutError` on user-specified timeouts
- I’d like to make `Socket.tcp` consistently raise `IO::TimeoutError` when a user-specified timeout occurs, rather than raising `Err... -
- ## Background & Proposal
`Addrinfo#connect_internal` is a core internal method that is called by both
`Addrinfo#connect` and `Addrinfo#connect_from`.
It receives a user-specified timeout value from these methods and currently raises
... -
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- `$~` and its accessors are related to regular expressions, but are not
themselves. -
- This reverts commit 8d097bc472fc66221dee23bb8f9e0dddac16db23.
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12:06 AM Revision 3c4cda10 (git): [DOC] Add back Rust 1.85.0 requirement to NEWS.md (#15728)
- * [DOC] Add back Rust 1.85.0 requirement to NEWS.md
Addresses k0kubun's review in https://github.com/ruby/ruby/pull/15711#issuecomment-3690541074
NEWS.md serves both CRuby developers as well as end-users. As the
release date closes in,...
12/24/2025
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10:37 PM Revision 3e82da72 (git): ZJIT: Don't mark control-flow opcodes as invalidating locals (#15694)
- jump, branchif, etc don't invalidate locals in the JIT; they might in the interpreter because they can execute arbitrary code, but the JIT side exits before that happens.
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- Test of 6.0.0 is not working with 4.0.0 stable version.
https://github.com/ruby/actions/actions/runs/20488398805/job/58875672023#step:20:362
```
rake aborted!
NoMethodError: undefined method 'cov_filter=' for #<Hoe:0x00007fdb550fc8... -
- This reverts commit c17307ac22f37f74786a4f016121c6ee8cc38915.
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08:46 PM Revision 8caea032 (git): rbs_skip_tests_windows
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- 08:45 PM Revision 96d87653 (git): Bump RDoc to 7.0.3
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- This reverts commit ba2f6972193cdbd7c1e77e26212513e47926b115.
Box already used ruby_api_version_name. -
- This reverts commit 31ff07ed1eb05d01f7da3c017d542137a3db1e94.
* Don't add a test which only runs on production release
* https://github.com/ruby/actions/actions/runs/20486784889/job/58870959976
* Don't add a new line to `ruby --help`
... -
- This reverts commit 9b576cd6255aba97e5e2f55f4b09f00c7dd0e839.
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- I didn't mean to cancel nor reject this proposal. It would probably be merged in 4.1 (or later). But since any design mistake would remain virtually forever in Ruby, and I am the one to be blamed.
We had some concerns, e.g. #21783 or #2... -
- `Dir.mktmpdir` concatenates a random base-36 number separated by "-",
so may generate pathnames containing "-j2". -
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- ```
scheduler.c:44:5: warning: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
44 | write(blocking_state->notify_descriptor, "x", 1);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~... -
- Since 50e5c542cc0541fb38e52766d88d87bd8a96b072, `constat_reset` is no
longer used. -
- 3.7.5 is not working with rbs-3.10.0
https://github.com/ruby/ruby/actions/runs/20480628393/job/58853288287#step:22:353
```
D:/a/ruby/ruby/src/.bundle/gems/test-unit-3.7.5/lib/test/unit/testcase.rb:641:in 'block (2 levels) in Test::Un... -
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- 06:55 AM Revision 04a64622 (git): Update bundled gems list as of 2025-12-24
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- As for Ruby v4.0.0-preview3, ZJIT support is enabled by default on
supported platforms. The previous phrasing is not relevant for most
users. Replaced with brief instructions for enabling the JIT itself. - 06:10 AM Revision f7b48456 (git): Box: show the fully qualified URL of the Ruby::Box doc
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05:10 AM Revision fc19ce0a (git): Lrama v0.7.1
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- Fix GH-15061
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- * [DOC] Cross-links between Japanese and English pages
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02:21 AM Revision 9154d72a (git): Improve CGI.escape* docs
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02:14 AM Revision 10a68210 (git): [DOC] Fix IO::Buffer document
- 02:03 AM Revision 6e2bf5df (git): [Tests] Assert Module#set_temporary_name returns self
- The return value of Module#set_temporary_name was changed
to return `self`, but the existing tests
did not verify this. -
01:59 AM Revision ceea8060 (git): Properly handle test cases terminated by signals in test-bundled-gems
- Process::Status#exitstatus turn into nil when child process is signeled.
When exit_code was unchanged, test-bundled-gems.rb returned 0 and make was unable to detect the failure. Fix this. -
- In ruby, since 3.1 at least, the words "Pattern Matching" should refer
the syntax. - 01:39 AM Revision e2a58c45 (git): [DOC] Fix minor typo in signals.rdoc
- 01:10 AM Revision 30d9782c (git): Tidy up fiber scheduler tests.
- 01:10 AM Revision 2df72c0c (git): Fix flaky test.
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12/23/2025
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- * Describe base code layout rules
* Enhance optional keyword explanation
* Change the logical operators description -
- RDoc does not parse the documentation for the Method#call aliases, so we
should combine the aliases into one documentation. -
12:59 PM Bug #21802: segmentation fault when installing gems on CI
- ufuk (Ufuk Kayserilioglu) wrote in #note-2:
> Please post the C level backtrace as well. Usually that's very helpful.
any idea how I could do that? the job inside the CI most of the time simply dies with an output like this:
```
/b... -
12:52 PM Bug #21802: segmentation fault when installing gems on CI
- Please post the C level backtrace as well. Usually that's very helpful.
-
- hey!
recently, we updated to Bundler v4 (currently running v4.0.3) and Ruby 3.4.8. Since then, one of our CircleCI steps has been failing repeatedly, often without logs. Sometimes it does fail with a log
```
Installing faraday-typ... - 12:51 PM Revision ab565a3e (git): Box: split the test for CI timeouts
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- darkspy (gerty ken) wrote in #note-3:
> nobu (Nobuyoshi Nakada) wrote in #note-2:
> ...
now snapshot tonight:
compiling ./missing/langinfo.c
compiling ./missing/crypt.c
compiling ./missing/explicit_bzero.c
compiling ./missing/ffs.c... -
- `Dir.mktmpdir` concatenates a random base-36 number separated by "-",
so may generate pathnames containing "-j4". - 08:52 AM Revision 3ddf6950 (git): Update bundled gems list as of 2025-12-23
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- * Bundle RBS 3.10.0
* Unskip BigDecimal tests -
- I have no enough time to handle this for Ruby 4.0.0.
Please add `irb` to your Gemfile or wait to release 4.0.1. Sorry to your inconvenience. -
- So first, I must say I agree this is a common problem with the advent of containers. Both Rails and Puma tried to have automatic detection and configuration of the number of worker processes, and it caused issue for users on various plat...
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- Yes. `Foo` is a constant, not a method. The example was wrong. Now that it's updated we can close.
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08:02 AM Revision d879f9f6 (git): [DOC] Fix example in Ruby::Box documentation
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- 07:11 AM Revision 3a92e07a (git): Update default gems list at 1c3ef2719155b56f14bf734c82b26e [ci skip]
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- 04:04 AM Revision ed1aac54 (git): Update default gems list at 8eaf6739fda591233b07f3ada7ed4e [ci skip]
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- https://github.com/ruby/error_highlight/commit/dc2dad6632
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- I like `^` specifier too.
Matz.
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12/22/2025
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- nobu (Nobuyoshi Nakada) wrote in #note-2:
> darkspy (gerty ken) wrote:
> ...
yep like for 8 years compiling ruby using msys 1.0 + winlib / mingw64. until 4.0 preview2 were fine -
- darkspy (gerty ken) wrote:
> ENV:
> ...
Are you really using msys **1.0**? -
- ```
compiling x64-msvcrt-ruby400.res.o
creating verconf.h
verconf.h updated
compiling loadpath.c
linking static-library libx64-msvcrt-ruby400-static.a
generating x64-msvcrt-ruby400.def
linking shared-library x64-msvcrt-ruby400.dll... -
- * [DOC] Languages in Examples
* Update doc/contributing/documentation_guide.md
Co-authored-by: Jeremy Evans <code@jeremyevans.net>
* Update doc/contributing/documentation_guide.md
Co-authored-by: Jeremy Evans <code@jeremyevans.net>
... -
- This heap emulates the growth characteristics of the Ruby default GC's
heap. By default, the heap grows by 40%, requires at least 20% empty
after a GC, and allows at most 65% empty before it shrinks the heap. This
is all configurable via... - 06:22 PM Revision 481f16f3 (git): [DOC] Improve ractor class docs (grammar, code examples) (#15686)
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12:00 PM Revision 5272f2bc (git): Bump RDoc to 7.0.2 (#15691)
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- Closing in favor of [Feature #21800]
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- When listing a directory, it's very common to need to know the type of each children, generally because you want to scan recursively.
The naive way to do this is to call `stat(2)` for each children, but this is quite costly.
This us... -
06:59 AM Bug #21799: Delegated top-level methods are not visible outside the Ruby Box
- I think `box.Foo.say` should be `box::Foo.say`. https://github.com/ruby/ruby/pull/15690
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- The following example code based on Ruby Box results in an unexpected error.
https://github.com/ruby/ruby/blob/v4.0.0-preview3/doc/language/box.md#top-level-methods
I'm not familiar with Ruby Box, but it seems that either the above d... -
- * Escape unexpected links
* Remove unnecessary path name from in-file reference -
- To avoid the misconception that previously conditional code had to be
written on a single line.
12/21/2025
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- 06:26 PM Revision d0ec60dc (git): More doc improvements to ractor.md (#15676)
- [DOC] More doc improvements to ractor.md
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- https://github.com/ruby/mmtk/commit/c4cca6c1c3
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- 09:35 AM Revision 2ffd5ad0 (git): [DOC] Remove duplicate Pathname promotion entry at NEWS.md
- The Pathname promotion to core class is already documented in the
"Core classes updates" section, making this duplicate entry
redundant. -
- Adding a fast path for bump pointer allocator can improve allocation
performance.
For the following microbenchmark with MMTK_HEAP_MIN=100MiB:
10_000_000.times { String.new }
Before:
810.7 ms ± 8.3 ms [User: 790.9 ms, Sys... -
- * Align "Contains" column in "Streams" table
* Align some columns vertically
* Remove a duplicate `$-a` description -
12/20/2025
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- Shape tree pollution could cause this test to flake.
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- Defining ivars in initialize method guarantees the object to be embedded.
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- 08:28 PM Revision 3fee7dd9 (git): Small improvements to doc/language/ractor.md (#15588)
- [DOC] Improvements to doc/language/ractor.md
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- https://github.com/ruby/mmtk/commit/2185189df4
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- If the slot_size < RVALUE_SIZE then we would underflow in the memset.
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- * [DOC] Enhancements for globals.md
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03:16 PM Feature #21797: Make Etc.nprocessors cgroup-aware on Linux
- Thank you for your comments. Let me summarize the discussion.
### 1. Introducing a new API under `Etc`
Introducing a method such as `Etc.cpu_quota`, which returns `Float | nil`, seems reasonable.
### 2. Changing the behavior of ... -
- CPU quotas can be floating point numbers though, not just integers.
But `Etc.nprocessors` returns an Integer.
So it seems having a new method is worth it.
I think it's good if `Etc.nprocessors` rounds it though for convenience and s... -
- osyoyu (Daisuke Aritomo) wrote in #note-4:
> It'd be nice if `RUBY_MAX_CPU` would be autoconfigured based on this, just like Go 1.25 `GOMAXPROCS`.
> ...
This sounds very good, but it should probably be a separate ticket though.
nobu... -
- How about https://github.com/ruby/etc/tree/linux-cgroup-from-maxprocs?
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- This will allow the Ruby backtrace, memory mapping, etc. to be outputted
when a Ruby mutator thread panics.
https://github.com/ruby/mmtk/commit/d10fd325dd -
01:25 PM
Bug #21792 (Closed): 4.0.0-preview3: Build fails with `--with-ext=` when ENABLE_SHARED=yes: ruby/digest.h not found for rubyspec CAPI extensions
- Applied in changeset commit:git|e6520de3442659def3463d3bfdca3432f41b2d6a.
----------
[Bug #21792] Build rubyspec-capiext only when excuting `test-spec`
rubyspec-capiext is only needed for running specs, not for building or
installing R... -
- Do you then use this "minimal Ruby" to run the gem extconf.rb?
I don't think that works in general without extensions, extconf.rb can assume the full stdlib to be available.
As nobu said even RubyGems cannot load without `monitor`, a C... -
- mdalessio (Mike Dalessio) wrote in #note-6:
> Ah, I see, is this because logger relies on monitor, and logger is no longer part of the stdlib (it is a bundled gem)?
Not `logger`, `lib/rubygems/core_ext/kernel_require.rb` requires `mo... - 01:24 PM Revision e6520de3 (git): [Bug #21792] Build rubyspec-capiext only when excuting `test-spec`
- rubyspec-capiext is only needed for running specs, not for building or
installing Ruby. -
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- `Dir.mktmpdir` concatenates a random base-36 number separated by "-",
so may generate pathnames containing "-j4". -
- osyoyu (Daisuke Aritomo) wrote in #note-3:
> @eregon I'm not sure I fully understand your point, but conceptually your code should raise an `Ractor::IsolationError` by accessing a unshareable, mutable variable `a`.
You can try the ex... -
05:57 AM Feature #21767: Consider procs which `self` is Ractor-shareable as Ractor shareable
- I think a number of "frozen Proc" is enough small so the incompatibility is enough small to ignore.
So I'm +1.
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- * Document Range#to_set
* Update Thread#raise and Fiber#raise signatures and docs
* Add reference to String#strip to character_selectors.rdoc
* Update *nil docs when calling methods
* Enhance Array#find and #rfind docs
* Add a notic... -
08:21 AM Bug #21798 (Assigned): `bundle install` command fails if touches `$LOAD_PATH` on `Ruby::Box` enabled
- ## How to reproduce
```dockerfile
FROM ruby:4.0.0-preview3-trixie
WORKDIR /ruby_box_test
RUN bundle gem foo --test=minitest
WORKDIR /ruby_box_test/foo
RUN head -n 10 foo.gemspec
# PASS
RUN bundle install
# PASS
RUN ... -
- https://bugs.ruby-lang.org/issues/21785#note-10
> It is too late to introduce it in Ruby 4.0, let's aim for 4.1.
This reverts commits:
* d0b72429a93e54f1f956b4aedfc25c57dc7001aa
Add support for signed and unsigned LEB128 to pack/unpa... - 07:18 AM Revision 49f9c9bf (git): Box: [DOC] Uodate the name from Namespace
-
- It is too late to introduce it in Ruby 4.0, let's aim for 4.1.
Matz. -
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- This appears to be a workaround for Windows XP behavior. It is unnecessary now.
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02:27 AM Revision bb0637a9 (git): ZJIT: [DOC] Fix link to in-repo file. Mention GNU Make requirement
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- Unfortunately, with the information available, there is not much we can do on our end.
The PendingBranchRefs in question are transient reference counted objects in YJIT. They have clear
release points that should have been reached be...