Ruby Issue Tracking System

12/29/2025

04:42 PM Ruby Bug #21812 (Assigned): Kernel#sleep without arguments returns immediately when subprocess exits in another thread (regression in Ruby 4.0)

Thanks for the nice catch.
`git bisect` points to commit:8d8159e7d87e4fd1594ce2fad3d2653e47fb1026. The changes in that commit seem relevant to this issue.
@luke-gru Could you take a look? mame (Yusuke Endoh)

12/26/2025

06:47 AM Ruby 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... mame (Yusuke Endoh)

05:20 AM Ruby Revision 704ac72f (git): Clarify the intent of the test for "ruby -h" to fit in 80x25

mame (Yusuke Endoh)

12/24/2025

12:29 PM Ruby Revision 17e4f28c (git): Remove unintentional return

mame (Yusuke Endoh)

12:29 PM Ruby Revision f00abcfd (git): Prevent "warning: assigned but unused variable - it"

mame (Yusuke Endoh)

12:09 PM Ruby Revision 2d0d9530 (git): ext/-test-/scheduler/scheduler.c: explicitly ignore the result of write

```
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);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~... mame (Yusuke Endoh)

12/23/2025

04:03 AM Ruby Revision 8eaf6739 (git): [ruby/error_highlight] Bump version

https://github.com/ruby/error_highlight/commit/dc2dad6632 mame (Yusuke Endoh)

12/19/2025

09:52 AM Ruby Feature #21795: Methods for retrieving ASTs

I anticipated that we would consider this eventually, but incorporating it into the core presents significant challenges.
Here are two major issues regarding feasibility.
(Based on chats with @ko1, @tompng, and @yui-knk, though the... mame (Yusuke Endoh)

02:58 AM Ruby Revision 305f0421 (git): NEWS.md: Sort items in alphabetical order

mame (Yusuke Endoh)

12/18/2025

06:18 PM Ruby Bug #21790: `Socket.getaddrinfo` hangs after `fork()` on macOS 26.1 (Tahoe) for IPv4-only hosts

Thank you. This looks like the same issue reported multiple times in the past, but we were previously stuck without a way to investigate.
https://bugs.ruby-lang.org/issues/15490
https://bugs.ruby-lang.org/issues/15794
https://github... mame (Yusuke Endoh)