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[RFC][Train] Better Worker failure & preemption lifecycle

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

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

Status: Open.

#63968 In ray-project/ray;

· liulehui opened on Jun 9, 2026

[Autoscaler] Support Environment Variable Configuration for Autoscaler Log Rotation and Reduce Label Warning Noise

community-backlog

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

kubernetes

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

usability

Status: Open.

#63954 In ray-project/ray;

· daiping8 opened on Jun 9, 2026

dummy

community-backlog

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

needs-more-info

stability

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

usability

Status: Open.

#63926 In ray-project/ray;

· athorat-maker opened on Jun 8, 2026

[Data] AutoscalingCoordinator._reallocate_resources is O(R·N²) and holds its lock, starving concurrent datasets at scale (op_budget→0)

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

performance

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

Status: Open.

#63924 In ray-project/ray;

· qyzhaoxun opened on Jun 8, 2026

[Core] ray.init() requires local raylet process visibility — breaks Kubernetes sidecar deployments (regression from 2.53)

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

regression

stability

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

Status: Open.

#63923 In ray-project/ray;

· HariniNarayanan opened on Jun 8, 2026

Update pinned Python idna versions for GHSA-65pc-fj4g-8rjx / CVE-2026-45409

community-backlog

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

securityThe issue or proposal related to securityThe issue or proposal related to security

Status: Open.

#63919 In ray-project/ray;

· yawnzh opened on Jun 8, 2026

[Serve] DP Gang Scheduling schedules vLLM workers on wrong node due to sorted_indices / dp_rank mismatch, causing "Every node should have a unique IP address"

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

community-backlog

llm

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.

#63917 In ray-project/ray;

· wnark opened on Jun 8, 2026

read_iceberg(...).select_columns([...]).count() returns 0

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.

#63913 In ray-project/ray;

· dgshep opened on Jun 7, 2026

[RFC][Data][Train] End-to-end observability for the Ray Train + Ray Data training pipeline

community-backlog

dataRay Data-related issuesRay Data-related issues

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

performance

trainRay Train Related IssueRay Train Related Issue

usability

Status: Open.

#63911 In ray-project/ray;

· OneSizeFitsQuorum opened on Jun 7, 2026

[Serve][LLM] SGLangServer: Fix Sequential Batch Processing in completions()

community-backlog

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

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.

#63901 In ray-project/ray;

· Shrutakeerti opened on Jun 6, 2026

[Data] from_daft() PyArrow version check is obsolete, blocks all modern Daft installations

community-backlog

dataRay Data-related issuesRay Data-related issues

stability

usability

Status: Open.

#63883 In ray-project/ray;

· jiangxt2 opened on Jun 5, 2026

[Serve][LLM] Fractional GPU: auto-derived VLLM_RAY_PER_WORKER_GPUS never reaches the vLLM engine

community-backlog

serveRay Serve Related IssueRay Serve Related Issue

stability

Status: Open.

#63875 In ray-project/ray;

· mbartholet opened on Jun 5, 2026