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[RLlib] Add metric exposing number of EnvRunners dropped due to sample_timeout_s in synchronous algorithms

community-backlog

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

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

rllibRLlib related issuesRLlib related issues

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

usability

Status: Open.

#63302 In ray-project/ray;

· corentinlger opened on May 12, 2026

[Data/Autoscaler] Proposal: Release all resources of an upstream op at once when it finishes, instead of step-wise scale down

community-backlog

dataRay Data-related issuesRay Data-related issues

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

performance

questionJust a question :)Just a question :)

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

Status: Open.

#63299 In ray-project/ray;

· allendang001 opened on May 12, 2026

[Core] Python 3.14 build Memory Leak with boost make_fcontext()

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

needs-repro-scriptIssue needs a runnable script to be reproducedIssue needs a runnable script to be reproduced

P1Issue that should be fixed within a few weeksIssue that should be fixed within a few weeks

stability

Status: Open.

#63290 In ray-project/ray;

· AlexPoone opened on May 12, 2026

[Train] Allow configuring equal=False in DataConfig.streaming_split for eval datasets

community-backlog

stability

trainRay Train Related IssueRay Train Related Issue

usability

Status: Open.

#63285 In ray-project/ray;

· yulei-li opened on May 11, 2026

[serve] Autoscaler oscillation produces ~40s max-latency tail in autoscaling release tests

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

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.

Bug

#63279 In ray-project/ray;

· kamil-kaczmarek opened on May 11, 2026

[Data] Move streaming output backpressure escape hatch to apply across all backpressure policies

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

dataRay Data-related issuesRay Data-related issues

P1Issue that should be fixed within a few weeksIssue that should be fixed within a few weeks

stability

Status: Open.

#63277 In ray-project/ray;

· bveeramani opened on May 11, 2026

[Data] ray_remote_args_fn not considered in scheduling resource estimates, causing potential deadlocks

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

dataRay Data-related issuesRay Data-related issues

P1Issue that should be fixed within a few weeksIssue that should be fixed within a few weeks

stability

Status: Open.

#63276 In ray-project/ray;

· bveeramani opened on May 11, 2026

[Core] TypeError: got an unexpected keyword argument '_ray_trace_ctx'

community-backlog

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

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

stability

Status: Open.

#63267 In ray-project/ray;

· cecabert opened on May 11, 2026

[serve] Router skips cache invalidation on gRPC request failure

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

good-first-issueGreat starter issue for someone just starting to contribute to RayGreat starter issue for someone just starting to contribute to Ray

serveRay Serve Related IssueRay Serve Related Issue

Status: Open.

#63261 In ray-project/ray;

· jeffreywang-anyscale opened on May 11, 2026

[RFC] [Serve][LLM][SGLang] Prefill-decode disaggregation support

community-backlog

llm

performance

serveRay Serve Related IssueRay Serve Related Issue

Status: Open.

#63257 In ray-project/ray;

· limarkdcunha opened on May 9, 2026

[core] GpuProfilingManager: bare 'nvidia-smi' call stalls 15-20s on NVLink systems, causing raylet startup timeout

community-backlog

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

gpuGPU related issuesGPU 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

stability

Status: Open.

#63243 In ray-project/ray;

· aschuh-hf opened on May 9, 2026

No builds for Windows Python 3.13 and 3.14 ?

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

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

Status: Open.

#63242 In ray-project/ray;

· Garyfallidis opened on May 8, 2026