Activity
From 10/21/2025 to 10/27/2025
Today
-
04:20 PM Bug #21648: [prism] ruby crashes for `for * in [10]; end`
- @kddnewton can you mark for backport? Thanks!
-
- Applied in changeset commit:git|0b0da6c4b26f80ad6985722d3fc0f5cdee09125d.
----------
Correctly compile splats in for-loop index in prism
Fixes [Bug #21648]
This is a followup to https://github.com/ruby/ruby/pull/13597.
The added test ... -
- https://github.com/ruby/ruby/pull/14963
-
- ```sh
$ ruby -e "for * in [10]; end"
-e:1: [BUG] Stack consistency error (sp: 15, bp: 14)
ruby 3.4.6 (2025-09-16 revision dbd83256b1) +PRISM [x86_64-linux]
-- Control frame information ----------------------------------------------... -
- Fixes [Bug #21648]
This is a followup to https://github.com/ruby/ruby/pull/13597.
The added test passed but didn't emit the same instructions.
This also handles bare splats and aligns instructions for all cases -
11:47 AM Revision 308fb9c8 (git): Fix a comment [ci skip]
-
09:22 AM Revision 2a9d15b9 (git): [ruby/json] parser.c: Fix indentation in json_decode_integer
- https://github.com/ruby/json/commit/f228b30635
-
- https://github.com/ruby/json/commit/1ba1e9bef9
-
- https://github.com/ruby/stringio/commit/04ba28af00
-
07:35 AM Revision d17d49d4 (git): [ruby/rubygems] bundler_4_mode always return true
- https://github.com/ruby/rubygems/commit/b2e1810067
-
- https://github.com/ruby/rubygems/commit/687ffd7265
-
- ```
Fetching gem metadata from https://gem.repo4/.
Resolving dependencies...
Resolving dependencies...
# $? => 0
cannot load such file -- diff/lcs
```
https://github.com/ruby/rubygems/commit/668b300261 -
- If we install uri-1.0.4 as default gems. The example may be failed with
version miss-match.
https://github.com/ruby/rubygems/commit/fd2dcb502b -
06:54 AM Revision 1b57e557 (git): [ruby/openssl] test: remove unused small test keys
- Previous commits removed all usages of those small keys.
https://github.com/ruby/openssl/commit/f9d87d7912 -
- Use generic keys whenever possible.
https://github.com/ruby/openssl/commit/73d6a25360 -
- Use generic keys whenever possible.
https://github.com/ruby/openssl/commit/90d6af60b9 -
- Use generic keys whenever possible.
https://github.com/ruby/openssl/commit/cc4d40525c -
- Use generic keys whenever possible.
https://github.com/ruby/openssl/commit/ef4fa5e9b4 -
- Use generic keys whenever possible.
https://github.com/ruby/openssl/commit/689fc271b1 -
- Replace fixed-sized RSA keys with the generic rsa-{1,2,3}.pem keys.
Those test cases do not depend on specific keys or key sizes, and just
need several different keys.
Replace DSA keys with EC keys so that we can run more tests in the F... -
- The EVP_CIPHER_CTX = OpenSSL::Cipher interface for AEAD ciphers is
notoriously complicated and full of pitfalls. I tried to clarify docs
so that users can hopefully connect the Ruby methods with the
corresponding OpenSSL man pages more e... -
-
06:33 AM Revision b839deec (git): [ruby/openssl] Check NULL values for deprecated EVP_PKEY_get0() functions
- In OpenSSL <= 1.1.1, EVP_PKEY_get0() always returned a valid object, so
a NULL check was not necessary. In OpenSSL 3.0, the function can return
NULL (https://docs.openssl.org/3.0/man7/migration_guide/#deprecated-function-mappings),
so gu... -
- https://github.com/ruby/rubygems/commit/9b3a5a8ae9cd
https://github.com/ruby/rubygems/commit/8f6eb4ac64 - 05:51 AM Revision f6d2aef3 (git): [ruby/openssl] Update link to OpenSSL configuration file docs
- https://github.com/ruby/openssl/commit/02ff964114
-
04:24 AM Revision e221a4b7 (git): [ruby/stringio] [DOC] Doc for StringIO#each
- (https://github.com/ruby/stringio/pull/154)
https://github.com/ruby/stringio/commit/eca2588274 -
- (https://github.com/ruby/stringio/pull/150)
https://github.com/ruby/stringio/commit/ea6e36f797
Co-authored-by: Sutou Kouhei <kou@cozmixng.org> -
- Exclude other git management files too.
https://github.com/ruby/win32-registry/commit/3be0188111 - 03:02 AM Revision 342dfd78 (git): [ruby/resolv] win32/resolv: fix loading of `NV Domain`
- https://github.com/ruby/resolv/commit/da14f1f2fc
-
- ```
TestResolvDNS#test_no_server:
Test::Unit::ProxyError: Timeout::Error
/path/to/ruby/test/resolv/test_dns.rb:531:in 'TestResolvDNS#test_no_server'
``` -
- (https://github.com/ruby/stringio/pull/149)
https://github.com/ruby/stringio/commit/11995db341 -
- (https://github.com/ruby/stringio/pull/152)
https://github.com/ruby/stringio/commit/7ded426718 -
- (https://github.com/ruby/stringio/pull/153)
https://github.com/ruby/stringio/commit/3e9d576441
Co-authored-by: Sutou Kouhei <kou@cozmixng.org>
10/26/2025
-
10:59 PM Revision 52ea2220 (git): Fix segfault when moving nested objects between ractors during GC
- Fixes a segmentation fault when moving nested objects between ractors with GC stress enabled and YJIT.
The issue is a timing problem: `move_enter` allocates new object shells but leaves their contents uninitialized until `move_leave` co... -
10:46 PM Bug #21560: RUBY_MN_THREADS=1 causes large performance regression in Puma 7
- Sent a PR to fix this https://github.com/ruby/ruby/pull/14952
-
07:27 PM Revision b66fbd59 (git): Make rb_vm_ccs_invalidate_and_free static
-
-
-
06:43 PM Bug #21640: Core Pathname is missing 3 methods / is partially-defined
- Longtime rubyist here. I am the author of one of the Pathname PRs that kickstarted this discussion (#64). My PR adds the following methods to Pathname:
``` ruby
# these all use FileUtils
def mkdir_p(...)
def ln(...)
def ln_s(...)
... -
12:38 PM Bug #21640: Core Pathname is missing 3 methods / is partially-defined
- OK, I've made a PR to document that in https://github.com/ruby/ruby/pull/14953.
But it's just a workaround, it doesn't address any of the problems.
It doesn't address what happens to the pathname gem and the various problems I mentio... -
- * See https://bugs.ruby-lang.org/issues/21640#note-16
- 08:49 AM Revision f53b8194 (git): Stop deleting the reference from superclass when replacing classext.
- Calling the usual rb_iclass_classext_free() causes SEGV because
duplicating a newer classext of iclass had set the reference from superclass
to the newer classext, but calling rb_iclass_classext_free() deletes it. - 08:49 AM Revision 1c81bbf0 (git): free the entry after deleting the reference
- 08:49 AM Revision be118cf9 (git): classext replacement never happen on non-iclass classes
- 08:49 AM Revision efe9a3cd (git): Add several very basic tests to be run with RUBY_NAMESPACE=1 on CI
- To detect breaking namespace features on CI.
-
- (https://github.com/ruby/stringio/pull/151)
https://github.com/ruby/stringio/commit/94bd4a3d87
10/25/2025
-
- I run a git bisect building/testing with these examples (to raise if >2ms avg) and this is the commit that started the issue:
> [be1bbd5b7d40ad863ab35097765d3754726bbd54] M:N thread scheduler for Ractors
Which is the commit the introdu... -
03:31 PM Feature #15381: Let double splat call `to_h` implicitly
- jeremyevans0 (Jeremy Evans) wrote in #note-11:
> […] Maybe in Ruby 4?
Bringing this up since it seems that this year’s Ruby version will be 4.0.
Is this change going to be considered for inclusion in the new release? -
-
- Instead of the offset calculation.
-
- Probably since macOS Runner Image Version 20251020.XXXX, spawned
processes initialize `TMPDIR` environment variable under the hood. -
- And `LD_PRELOAD` is set to `PRELOADENV` on Linux.
-
12:19 PM Revision 377aa2a3 (git): Improve performance of UnicodeNormalize.canonical_ordering_one
- Use array_of_integer.sort! instead of buble-sort-like algorithm
-
- `IS_TYPED_DATA` is no longer a flag in `type`, and the "embedded" flag
has been shifted accordingly.
ruby/ruby#14470 - 09:01 AM Revision 10f0abee (git): Update default gems list at 226caf1a1f3542d9e39e1a72fb43fd [ci skip]
-
- https://github.com/ruby/json/commit/5e61cd7dce
-
- Fix: https://github.com/rails/rails/commit/90616277e3d8fc46c9cf35d6a7470ff1ea0092f7#r168784389
Because the `depth` counter is inside `JSON::State` it can't be used
concurrently, and in case of a circular reference the counter may be
lef... -
04:59 AM Revision 93828c47 (git): merge revision(s) 4368e6c42effc16904e35f753fc2002f0bba375a:
- [PATCH] [ruby/rubygems] Removed credential assertion from stdout
https://github.com/ruby/rubygems/commit/3946be008c -
10/24/2025
-
- When the fallback function in transcode_loop raises, it will leak the memory
in rb_econv_t. The following script reproduces the leak:
10.times do
100_000.times do
"\ufffd".encode(Encoding::US_ASCII, fallback: proc { ra... -
-
-
09:03 PM Revision 8b6564d1 (git): ZJIT: Add gen_stack_overflow_check to `CCallWithFrame`
-
- Hi, I submitted a PR to fix this: https://github.com/ruby/ruby/pull/14940
-
07:04 PM Feature #20163: Introduce #bit_count method on Integer
- matz (Yukihiro Matsumoto) wrote in #note-24:
> Is there any real-world use-case for Integer#popcount method?
> ...
Yes, I am using it for a [bit set gem](https://github.com/tenderlove/bitz) (I had to implement my own popcount [here](ht... -
03:50 PM Revision a9f24aac (git): ZJIT: Specialize string length, bytesize, and size (#14928)
- Don't push frame for String#size, String#bytesize, and String#length.
-
08:24 AM Misc #21647 (Open): DevMeeting-2025-11-13
- # The next dev meeting
**Date: 2025/11/13 13:00-17:00** (JST)
Log: *TBD*
- Dev meeting *IS NOT* a decision-making place. All decisions should be done at the bug tracker.
- Dev meeting is a place we can ask Matz, nobu, nurse and o... -
-
- https://github.com/ruby/rubygems/commit/42e22fd367
-
-
-
-
-
-
-
- (https://github.com/ruby/stringio/pull/148)
Make examples do more work (instead of text).
https://github.com/ruby/stringio/commit/7f4662438f
10/23/2025
-
-
-
-
-
09:59 PM Revision 8de628dc (git): ZJIT: s/as_usize/to_usize/ to comply with rust API guidelines
- When the name is `as_*`, the guideline expects the return type to be a
reference type. Also, it's good to have contrast in the naming from
the more dangerous `as usize` cast `IntoUsize` is meant to be preferred
over.
See: https://rust-l... -
- The `as` casts are somewhat dangerous since when the type on either side
change, it silently becomes a lossy conversion. This is why we have
`IntoUsize` as well as other guaranteed lossless conversion utilities
in stdlib. Use them.
For ... -
09:47 PM Revision f33cd128 (git): ZJIT: Add tests for non-leaf classvar get and set (#14924)
- This commit adds tests that raise on `getclassvariable` and
`setclassvariable` to exercise the non-leaf cases as suggested in
https://github.com/ruby/ruby/pull/14918#discussion_r2453804603 -
- Fixes https://github.com/Shopify/ruby/issues/813
-
- The two types of TypedData objects should be treated the same except for
the free function. Since Namespace::Root did not inherit from Namespace::Entry,
all the TypedData_Get_Struct calls for Namespace::Root would raise
"wrong argument t... -
- (https://github.com/ruby/stringio/pull/144)
https://github.com/ruby/stringio/commit/d33ac815c1 - 02:30 PM Revision add78e76 (git): ZJIT: Use iseq pointer directly in get/set class var codegen (#14921)
- Addresses https://github.com/ruby/ruby/pull/14918#discussion_r2453802886
-
-
- https://github.com/ruby/ruby/pull/14923
-
01:21 PM Misc #21609: Propose Stan Lo (@st0012) as a core committer
- Thank you Matz and everyone supported me!
-
04:08 AM Misc #21609: Propose Stan Lo (@st0012) as a core committer
- Agreed. Go ahead.
Matz.
-
01:15 PM Misc #21646: Propose Luke Gruber as a Ruby committer
- Thank you Matz!
-
- Accepted. Go ahead.
Matz.
-
-
- That would be totally fine with me. I only have 3 PRs related to prism merged in ruby/ruby which is not all that much. For these I'm sure I'd find someone who'd occasionally help me out, like it is right now already anyways.
Thanks fo... -
- I agree with @naruse. We will revisit this issue some time (a few months?) later.
Matz.
-
06:04 AM Misc #21630: Suggest @Earlopain for core contributor
- I agree that they have made many significant contributions to Prism this year. However, they do not yet have permissions for the ruby/prism repository. Perhaps we could first grant them access to ruby/prism, with Kevin serving as their m...
-
- I'd like to document clearly that those 3 methods require explicit "require".
Matz.
-
- Is there any real-world use-case for Integer#popcount method?
Bit-array?
Matz.
-
- HI,
* Don't use principle of least surprise as your rationale, since background and assumption vary person to person
* I don't think Hashes can be naturally considered as Arrays with non-integer indexes. You can tell it from Hash#eac... -
04:08 AM Revision 3b190855 (git): skip jit payload
- They should be checked, but not sure JIT code...
-
-
- because ISeq is shareable now.
-
- to adopt strict shareable rule.
* (basically) shareable objects only refer shareable objects
* (exception) shareable objects can refere unshareable objects
but should not leak reference to unshareable objects to Ruby world -
- * `RB_OBJ_SET_SHAREABLE(obj)` makes obj shareable.
All of reachable objects from `obj` should be shareable.
* `RB_OBJ_SET_FROZEN_SHAREABLE(obj)` same as above
but freeze `obj` before making it shareable.
Also `rb_gc_verify_shareable... -
- https://github.com/Shopify/ruby/issues/649
Class vars are a bit more involved than ivars, since we need to get the
class from the cref, so this calls out to `rb_vm_getclassvariable` and
`rb_vm_setclassvariable` like YJIT. -
- https://github.com/ruby/rubygems/commit/3946be008c
-
- https://github.com/ruby/rubygems/commit/bc77ec0bf2
-
-
- (https://github.com/ruby/stringio/pull/146)
https://github.com/ruby/stringio/commit/141c6c0edf -
- https://github.com/ruby/rubygems/commit/3946be008c
-
- https://github.com/ruby/rubygems/commit/bc77ec0bf2
-
12:16 AM Revision 36e7db00 (git): [DOC] Tweaks for TCPSocket.new
- 12:10 AM Revision c3404d73 (git): ZJIT: Use InvokeBuiltin leaf attribute in codegen
- 12:10 AM Revision fa5481bc (git): ZJIT: Fetch Primitive.attr!(leaf) for InvokeBuiltin
- Fix https://github.com/Shopify/ruby/issues/670
10/22/2025
-
- When RUBYOPT is invalid, it raises an error which causes moreswitches
to leak memory. It can be seen when building with LSAN enabled:
$ RUBY_FREE_AT_EXIT=1 RUBYOPT=f ruby
ruby: invalid option -f (-h will show valid options) (Ru... -
-
11:26 PM Revision ae767b6c (git): ZJIT: Inline Kernel#block_given? (#14914)
- Fix https://github.com/Shopify/ruby/issues/832
-
- It's mostly a duplicate of not-inlined-cfuncs right now.
-
-
-
-
-
-
- Previously, YJIT returned truthy for the block given query at the top
level. That's incorrect because the top level script never receives a
block, and `yield` is a syntax error there.
Inside methods, the number of hops to get from `iseq... -
-
- Earlopain (Earlopain _) wrote in #note-14:
> pathname only had 4 releases since it became a gem at the end of 2020, that does not seem like that much innovation. Per the changelog it barely changed since then even with the releases that ... -
- > ... it's awkward and confusing to have a partially-defined class
I agree.
> ...
I admit I am not very knowledgable on this. Are there other core classes that are still distributed as a gem also? To me being part of core excludes ... -
- Earlopain (Earlopain _) wrote in #note-12:
> I want to adress some of these points:
Thank you for your feedback.
> ...
They are very related but not the same, here is what I meant:
1 is explaining that Pathname inherently depends... -
- I want to adress some of these points:
* Problems 1 and 2 seem to be the same to me
* Problem 3, is that even one? If pathname is core, I don't except development to continue in the gem repository.
* Problem 4 you just adressed yourself,... -
- > I'm not sure why, but that seems a serious bug that the pathname gem apparently can't be used at all with Bundler.
This is actually a Bundler issue independent from this issue as it already exists on Ruby 3.4: https://github.com/ruby/... - 07:39 PM Revision 9ad902e5 (git): ZJIT: Inline String#==, String#===
- 07:39 PM Revision d792de29 (git): ZJIT: Fix Type::from_class for subclasses of built-in types
-
- ZJIT: Revert 9a75c05
- 06:22 PM Revision 6fdcd08e (git): ZJIT: Fix land race
-
- Copy the YJIT simple inliner except for the kwargs bit. It works great!
- 06:14 PM Revision f09e74ce (git): ZJIT: Fix some dead code in the backend (#14897)
-
- Find ZJIT options in RUN_OPTS/SPECOPTS and put new ones from the bisection script
there too. -
- https://github.com/ruby/prism/commit/17a6a19bbae5c8b438a94816ed67c3852547d859 broke ruby/ruby CI
because some tests are only run against parse.y
This will catch that in the future.
https://github.com/ruby/prism/commit/98e1cd5c04 -
- Previously, when the output register and the base register are the same
in `out = Lea(Mem(out, disp))`, we did
out = disp
out = out + out
Which wasn't the desired `out = out + disp`.
Fixes a SEGV with `--zjit-call-threshold=2`... -
- Fixes https://github.com/Shopify/ruby/issues/805
-
02:58 PM Feature #21572: Make illegal variable in alternation pattern a syntax error
- Thank you @ktsj — I will start working on a patch for Prism.
-
- Can this issue be closed? We are coming up on the 3.5 release, and I don't think any further information is going to be forthcoming here.
-
- * [Feature #21573] Simpler syntax errors
* Developers want nice syntax errors in the command line, that is implemented today.
* Language-agnostic tools that parse stdout want simple-to-parse errors and warnings.
* Can we add a m... -
- * [Misc #21630] Suggest @Earlopain for core contributor
* They have been very helpful for Prism maintenance, and also other areas of Ruby. It would be helpful for them to merge their own PRs. -
- My impression here is we should always respect dependencies before changing from stdlib/default gem to bundled gem.
Concretely, I think fiddle shouldn't be a bundled gem before its stdlib & default gems usages (resolv, win32/resolv, w... -
- Thanks for popping in!
> Would this problem be avoided if mini_portile2 declared an explicit dependency on net-http
No, that would not do much I think. The problem is that `win32-registry` is a default gem but it depends on `fiddle... -
- This one has been on my mind for a while now.
Currently, there are only tests against the latest syntax version.
This changes the snapshot structure as follows:
* Snapshots at their current location are tested against all syntax versio... - 06:53 AM Revision 66c12bd5 (git): Update bundled gems list as of 2025-10-22
-
10/21/2025
-
-
- The st_insert in RCLASS_SET_NAMESPACE_CLASSEXT may overwrite an existing
rb_classext_t, causing it to leak memory. This commit changes it to use
st_update to free the existing one before overwriting it. -
-
-
- * Handled in cruby_methods.rs because there is no basic operation for Fixnum#^.
-
09:11 PM Bug #21645: Can't `require "resolve"` on Windows under Bundler without warnings
- Would this problem be avoided if mini_portile2 declared an explicit dependency on net-http? If it would be helpful I'm happy to cut a new release of mini_portile with that change.
-
- 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... -
- This helps ZJIT optimize ~300,000 more sends in ruby-bench's lobsters
Top-6 not optimized method types for send_without_block
Before After
iseq: 713,899 (48.0%) iseq: 725,668 (62.4... -
- The type name bindgen picks for anonymous enums creates desync issues on
the bindgen CI checks. -
- ```
/src/jit.c:19:5: error: ISO C restricts enumerator values to range of 'int' (4294967295 is too large) [-Werror,-Wpedantic]
19 | RB_INVALID_SHAPE_ID = INVALID_SHAPE_ID,
| ^ ~~~~~~~~~~~~~~~~
``` -
-
-
-
-
-
08:14 PM Misc #21606: DevMeeting-2025-10-23
- * [Misc #21646] Propose Luke Gruber as a Ruby committer (jhawthorn)
* Luke has been fixing bugs in Ractors and elsewhere. Would be helpful if he could merge his own PRs.
-
- I would be honored to join as a committer if you'll have me. Thank you everyone!
-
- +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. -
- 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... -
-