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[Train] Race condition in PlacementGroupCleaner: newly registered PG orphaned on controller death

bugSomething that is supposed to be working; but isn'tSomething that is supposed to be working; but isn't

community-backlog

stability

trainRay Train Related IssueRay Train Related Issue

triageNeeds triage (eg: priority, bug/not-bug, and owning component)Needs triage (eg: priority, bug/not-bug, and owning component)

Status: Open.

#62753 In ray-project/ray;

· SohamRajpure opened on Apr 19, 2026

[CI] linux://python/ray/serve/tests:test_cli is failing/flaky on master.

flaky-trackerIssue created via Flaky Test Tracker https://flaky-tests.ray.io/Issue created via Flaky Test Tracker https://flaky-tests.ray.io/

serveRay Serve Related IssueRay Serve Related Issue

Status: Open.

#62750 In ray-project/ray;

· kouroshHakha opened on Apr 18, 2026

[ci] bazel lint all BUILD files - java/

community-backlog

coreIssues that should be addressed in Ray CoreIssues that should be addressed in Ray Core

tech-debtThe issue that's due to tech debtThe issue that's due to tech debt

Status: Open.

#62747 In ray-project/ray;

· huyquangtruong05 opened on Apr 18, 2026

[Data] Dead Actor occupies actor pool slots which severely effects resource usage

bugSomething that is supposed to be working; but isn'tSomething that is supposed to be working; but isn't

community-backlog

dataRay Data-related issuesRay Data-related issues

stability

triageNeeds triage (eg: priority, bug/not-bug, and owning component)Needs triage (eg: priority, bug/not-bug, and owning component)

Status: Open.

#62746 In ray-project/ray;

· zhangsikai123 opened on Apr 18, 2026

[RFC][WIP] Ray Go Runtime

community-backlog

coreIssues that should be addressed in Ray CoreIssues that should be addressed in Ray Core

enhancementRequest for new feature and/or capabilityRequest for new feature and/or capability

performance

triageNeeds triage (eg: priority, bug/not-bug, and owning component)Needs triage (eg: priority, bug/not-bug, and owning component)

Status: Open.

#62744 In ray-project/ray;

· daiping8 opened on Apr 18, 2026

[Serve] remove deprecated APIs, CLI flags, and schema fields

docsAn issue or change related to documentationAn issue or change related to documentation

serveRay Serve Related IssueRay Serve Related Issue

tech-debtThe issue that's due to tech debtThe issue that's due to tech debt

Status: Open.

#62733 In ray-project/ray;

· abrarsheikh opened on Apr 17, 2026

[Serve] Expose DeploymentStateManager APIs instead of reaching into _deployment_states

serveRay Serve Related IssueRay Serve Related Issue

tech-debtThe issue that's due to tech debtThe issue that's due to tech debt

Status: Open.

#62731 In ray-project/ray;

· abrarsheikh opened on Apr 17, 2026

[Serve] No hard gate prevents new replicas/deployments during shutdown; race can leak actors

serveRay Serve Related IssueRay Serve Related Issue

stability

Status: Open.

#62730 In ray-project/ray;

· abrarsheikh opened on Apr 17, 2026

[Serve] Shutdown deletes KV checkpoints before teardown completes; can orphan replica actors

serveRay Serve Related IssueRay Serve Related Issue

stability

Status: Open.

#62729 In ray-project/ray;

· abrarsheikh opened on Apr 17, 2026

[Serve] Recovering replicas: long-poll broadcast can empty routable replica set and briefly halt traffic

serveRay Serve Related IssueRay Serve Related Issue

stability

Status: Open.

#62728 In ray-project/ray;

· abrarsheikh opened on Apr 17, 2026

[Serve] Mark these apis as stable

docsAn issue or change related to documentationAn issue or change related to documentation

serveRay Serve Related IssueRay Serve Related Issue

stability

usability

Status: Open.

#62727 In ray-project/ray;

· abrarsheikh opened on Apr 17, 2026

[Data] ray.data.from_tf() fails on TensorFlow datasets with ragged tensors

community-backlog

dataRay Data-related issuesRay Data-related issues

enhancementRequest for new feature and/or capabilityRequest for new feature and/or capability

stability

triageNeeds triage (eg: priority, bug/not-bug, and owning component)Needs triage (eg: priority, bug/not-bug, and owning component)

usability

Status: Open.

#62703 In ray-project/ray;

· weimingdiit opened on Apr 17, 2026