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[Data] Cluster keeps scaling unboundedly even when limited by PlacementGroupSchedulingStrategy

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

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

Status: Open.

#62699 In ray-project/ray;

· jleben opened on Apr 17, 2026

[Serve] Deployment is not scaled to zero with NewClusterWithIncrementalUpgrade

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

community-backlog

serveRay Serve Related IssueRay Serve Related Issue

stability

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

Status: Open.

#62682 In ray-project/ray;

· Kepnu4 opened on Apr 16, 2026

[Core][UV] Ray silently fails when it can't init pyproject

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

community-backlog

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

stability

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

Status: Open.

#62679 In ray-project/ray;

· leviska opened on Apr 16, 2026

[Core] Ray dependency on Pydantic is too weak on Python 3.14

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

community-backlog

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

stability

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

Status: Open.

#62664 In ray-project/ray;

· mdekstrand opened on Apr 16, 2026

[Core] Transient errors on plasma put/get operations cause task failure

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

community-backlog

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

stability

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

Status: Open.

#62663 In ray-project/ray;

· qts0312 opened on Apr 16, 2026

[Data] retry user exceptions by default in TaskPoolMapOperator

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)

Status: Open.

#62652 In ray-project/ray;

· chaoqin-li1123 opened on Apr 16, 2026

[Core][UV] uv argument parsing is wrong

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

community-backlog

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

stability

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

Status: Open.

#62650 In ray-project/ray;

· leviska opened on Apr 16, 2026

[RFC][Serve] Session-Aware Routing via Generalized Multiplexing

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

llm

serveRay Serve Related IssueRay Serve Related Issue

Status: Open.

Feature

#62645 In ray-project/ray;

· jeffreywang-anyscale opened on Apr 15, 2026

[RLlib] Fix ValueError in synchronous_parallel_sample when count_steps_by="agent_steps" and agents are missing from current episode

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

community-backlog

rllibRLlib related issuesRLlib 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.

#62635 In ray-project/ray;

· Paulaner99 opened on Apr 15, 2026

[Serve] RouterMetricsManager._report_cached_metrics_forever consumes excessive CPU on ingress replicas at scale

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

community-backlog

observabilityIssues related to the Ray Dashboard, Logging, Metrics, Tracing, and/or ProfilingIssues related to the Ray Dashboard, Logging, Metrics, Tracing, and/or Profiling

performance

serveRay Serve Related IssueRay Serve Related Issue

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

Status: Open.

#62619 In ray-project/ray;

· jugalshah291 opened on Apr 14, 2026

fix: TypeError crash in _max_throughput_from_resources when resource_limit is None

community-backlog

dataRay Data-related issuesRay Data-related issues

stability

Status: Open.

#62601 In ray-project/ray;

· kuishou68 opened on Apr 14, 2026

[core][rdt] Improve NIXL rdt docs on configuration and performance tuning

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

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

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

usability

Status: Open.

#62600 In ray-project/ray;

· Sparks0219 opened on Apr 14, 2026