Ruby Issue Tracking System

08/15/2025

07:49 AM Ruby Misc #21544 (Open): CI: Launchable: Early flake detection

I'm a software engineer at Launchable, and I'd like to propose the mechanism to detect potential flaky tests.
## Background
In the current Ruby CI, it's easy for flaky tests to be unintentionally merged into the master branch. Even... ono-max (Naoto Ono)

07/23/2025

02:18 AM Ruby Revision fbaad485 (git): Launchable: Remove `launchable subset` command (#13969)

I've enabled the [Predictive Test Selection](https://www.launchableinc.com/docs/features/predictive-test-selection/) feature, which let machine-learning model selects the appropriate tests to reduce CI execution time in https://github.co... ono-max (Naoto Ono)

07/02/2025

12:12 PM Ruby Revision efc68669 (git): Launchable: Temporarily remove Launchable integration from Compilatio… (#13759)

Launchable: Temporarily remove Launchable integration from Compilations workflow
Currently, Launchable is unstable, which occationally causes workflow issues. Until this problem is fixed, we'll temporary disable Launchable in the Compil... ono-max (Naoto Ono)

06/16/2025

05:18 AM Ruby Revision 311aa0df (git): Launchable: Terminate Launchable CLI process quickly by sending singa… (#13622)

Launchable: Terminate Launchable CLI process quickly by sending singals to a process group
Sometimes, the timeout errors occurred in Compilations workflow, this is because Launchable CLI process was not terminated correctly. To address ... ono-max (Naoto Ono)

06/04/2025

11:59 AM Ruby Revision a4dc778a (git): Launchable: Set env variables to prevent CI slowdowns (#13513)

When Launchable in unstable, the round trip time takes a long time, which slows down CI execution. In this PR I configured the environment variable `LAUNCHABLE_COMMIT_TIMEOUT` to configure the timeout.
https://github.com/launchableinc/c... ono-max (Naoto Ono)

04/06/2025

12:38 AM Ruby Revision b5ac483d (git): Fix the if condition to skip test_ractor.rb correctly (#13067)

Follow-up for https://github.com/ruby/ruby/commit/a2b03ba7cb721d698bebee74c535dea4583a9c28 ono-max (Naoto Ono)

04/01/2025

11:15 AM Ruby Bug #21203 (Closed): TestGc#test_gc_parameter_init_slots is flaky results

Applied in changeset commit:git|a671b25525279706d1fa2ee3b25ef45e3ec0eb89.
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[Bug #21203] Skip TestGc#test_gc_parameter_init_slots since it is flaky (#13025)
https://bugs.ruby-lang.org/issues/21203
TestGc#test_gc_parameter_ini... ono-max (Naoto Ono)

09:20 AM Ruby Revision a671b255 (git): [Bug #21203] Skip TestGc#test_gc_parameter_init_slots since it is flaky (#13025)

https://bugs.ruby-lang.org/issues/21203
TestGc#test_gc_parameter_init_slots is a flaky test that fails intermittently. Until the issue with flakiness is resolved, I will skip it. ono-max (Naoto Ono)

03/28/2025

03:58 AM Ruby Revision 8582d931 (git): [ruby/etc] Skip TestEtc#test_ractor_parallel on ModGC workflow

(https://github.com/ruby/etc/pull/55)
https://bugs.ruby-lang.org/issues/21204
TestEtc#test_ractor_parallel is only failing intermittently on ModGC workflow after 87fb0c4. So, we'll skip this test on ModGC workflow.
https://github.com/... ono-max (Naoto Ono)

03/27/2025

12:22 PM Ruby Revision 5adb2591 (git): Skip TestThreadInstrumentation#test_sleeping_inside_ractor on ModGC workflow (#12996)

TestThreadInstrumentation#test_sleeping_inside_ractor is a flaky and failing intermittently. Additionally, Launchable reported this test as a top flaky test. (Link: https://app.launchableinc.com/organizations/ruby/workspaces/ruby/insight... ono-max (Naoto Ono)