Ruby Issue Tracking System

02/17/2026

09:44 AM Ruby Misc #21916 (Open): DevMeeting before RubyKaigi 2026

RubyKaigi 2026 will be at Hakodate, Japan, Apr 22th - 24th.
We would like to try to hold a face-to-face dev meeting at Hakodate. (@matz will also participate!)
* Date: 2026/04/21 (Tue.) 15:00-17:00 (The day before RubyKaigi)
* Locat... ko1 (Koichi Sasada)

02/10/2026

07:15 AM Ruby Feature #21869: Add receive_all Method to Ractor API for Message Batching

Does it block when the queue is empty or returns []? (I think the example expects blocking) ko1 (Koichi Sasada)

04:58 AM Ruby Feature #21788: Promote Thread::Monitor to a core class

BTW, why performance is improved? ko1 (Koichi Sasada)

02/04/2026

03:40 AM Ruby Revision 2ba2950d (git): show loadavg if the test fails

to survey the following failure:
```
1) Failure:
TestFile#test_stat [/tmp/ruby/src/trunk-repeat20/test/ruby/test_file.rb:412]:
Expected |1770056232.744032 - 1770056230.6465776| (2.097454309463501) to be <= 1.
```
BTW I found that `te... ko1 (Koichi Sasada)

03:10 AM Ruby Revision 42c1d1dc (git): add deps

ko1 (Koichi Sasada)

02/03/2026

09:03 AM Ruby Revision 5ebccee5 (git): check zeros

raise when assert_linear_performance measures only zeros to check the following error:
```
1) Error:
TestRegexp#test_linear_performance:
Test::Unit::ProxyError: nil can't be coerced into Integer
/home/opc/ruby/src/master/test/ruby... ko1 (Koichi Sasada)

08:42 AM Ruby Revision f045a820 (git): try to extend timeout

for the following failure:
```
1) Timeout:
TestResolvDNS#test_multiple_servers_with_timeout_and_truncated_tcp_fallback
``` ko1 (Koichi Sasada)

08:25 AM Ruby Revision 2a57e636 (git): try to extend timeout for repeated refine test

for the following failure:
```
1) Error:
TestRefinement#test_refining_module_repeatedly:
Test::Unit::ProxyError: execution of Test::Unit::CoreAssertions#assert_in_out_err expired timeout (10 sec)
pid 56455 exit 0
| ok
|
... ko1 (Koichi Sasada)

08:24 AM Ruby Revision 8cb3663a (git): Try to send SEGV to show C bt

for the following failure
```
1) Error:
TestClass#test_safe_multi_ractor_subclasses_list_mutation:
Test::Unit::ProxyError: execution of Test::Unit::CoreAssertions#assert_separately expired timeout (10 sec)
pid 814469 killed by... ko1 (Koichi Sasada)

08:17 AM Ruby Revision 07a0b68a (git): apply timeout scale in wait_exception

to avoid such case:
```
1) Failure:
TestProcess#test_wait_exception [/tmp/ruby/src/trunk-asserts-nopara/test/ruby/test_process.rb:1588]:
[ruby-dev:49176] [Bug #11340]: 3.696015712 seconds to interrupt Process.wait.
Expected 3.696015712... ko1 (Koichi Sasada)