Issues

• [Air][Tune] wandb option reinit becomes deprecated in wandb version 0.19.11

  bugcommunity-backlogtech-debttriagetune
  ray-project/ray#53093 · by Filter by author PhilippWillms was closed on Nov 4, 2026 · Updated on Nov 4, 2026
  1

• [Data] read_json Hive null partitions are written to Parquet as a null-typed column

  community-backlogdatastability
  ray-project/ray#67606 · Filter by author hzmsh opened on Oct 30, 2026 · Updated on Nov 4, 2026
  2

• [Data] Redundant schema unification overhead when concatenating Arrow tables with identical schemas

  community-backlogdataperformance
  ray-project/ray#67814 · Filter by author Yin-1022 opened on Nov 4, 2026 · Updated on Nov 4, 2026
  1

• [Core][Ray Client] specific_server intermittently dies during fork() — gRPC poller race in proxier

  bugcommunity-backlogcontribution-welcomecoreP1stability
  ray-project/ray#63202 · Filter by author AndrushaUt opened on May 7, 2026 · Updated on Nov 4, 2026
  4

• Support Python 3.15

  community-backlogenhancementtriage
  ray-project/ray#61200 · Filter by author NeilGirdhar opened on Feb 20, 2026 · Updated on Nov 4, 2026
  5

• [Core] False description in docs on working directory size limit

  coredocs@external-author-action-requiredP1
  ray-project/ray#55877 · Filter by author anxietymonger opened on Aug 25, 2025 · Updated on Nov 4, 2026
  3

• [Rllib] module-to-env connector pipeline is initialized with environment action spaces

  bugenhancementP2rllibrllib-envstability
  ray-project/ray#54314 · Filter by author dennismalmgren opened on Jul 3, 2025 · Updated on Nov 4, 2026
  1

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

  bugcommunity-backlogreefstabilitytriage
  ray-project/ray#62664 · Filter by author mdekstrand opened on Apr 16, 2026 · Updated on Nov 4, 2026
  4

• [Core/Auth] Enable token authentication by default for all clusters in Ray 2.61

  corerelease-blockersecurity
  ray-project/ray#67047 · by Filter by author MortalHappiness was closed on Nov 4, 2026 · Updated on Nov 4, 2026
  

• [Core][Autoscaler][KubeRay] Autoscaler can't scale up worker groups with Neuron, Ascend NPU or MIG accelerators

  community-backlogcorekuberaystability
  ray-project/ray#67802 · Filter by author sramireddy2 opened on Nov 4, 2026 · Updated on Nov 4, 2026

• [Core/Auth][Spark] Make Ray on Spark work with token auth on by default

  coresecurity
  ray-project/ray#67780 · by Filter by author MortalHappiness was closed on Nov 4, 2026 · Updated on Nov 4, 2026
  

• [Core][Train] Support Torch runtime with TPUs

  community-backlogenhancementperformancetraintriage
  ray-project/ray#64055 · Filter by author ryanaoleary opened on Jun 12, 2026 · Updated on Nov 4, 2026
  1

  

• [Core/Auth] Make ray.cluster_utils.Cluster stop depending on os.environ for the auth mode

  coreenhancement
  ray-project/ray#67447 · Filter by author MortalHappiness opened on Oct 26, 2026 · Updated on Nov 4, 2026
  

• [Core/Auth][Spark] Stop relaunching Ray on Spark workers rejected for a missing auth token

  coresecurity
  ray-project/ray#67793 · Filter by author MortalHappiness opened on Nov 4, 2026 · Updated on Nov 4, 2026
  

• Announcement and RFC: Special Interest Group (SIG) for Ray on Accelerators

  acceleratorcommunity-backlogcoreperformance
  ray-project/ray#67778 · Filter by author zhe-thoughts opened on Nov 3, 2026 · Updated on Nov 4, 2026
  

• [Serve] With RAY_SERVE_LOG_TO_STDERR=0, print(..., file=f) in a replica writes the args tuple, which garbles every logged traceback

  bugcommunity-backlogservestabilitytriageusability
  ray-project/ray#67782 · Filter by author woolparka opened on Nov 3, 2026 · Updated on Nov 4, 2026

• [Data] map_batches fails with asyncio.run() in func and chaining with acync actor due to event loop conflict

  bugcommunity-backlogdatagood-first-issuequestionstability
  ray-project/ray#57729 · by Filter by author caixiaofan was closed on Nov 4, 2026 · Updated on Nov 4, 2026
  11

• [Docs][Core/Auth] Document token authentication on by default for all clusters

  coredocssecurity
  ray-project/ray#67056 · by Filter by author MortalHappiness was closed on Nov 3, 2026 · Updated on Nov 3, 2026
  

• [Core][Client] Replace gRPC Ray Client proxy with Cluster REST API and RayCluster SDK

  community-backlogcoreusability
  ray-project/ray#67234 · Filter by author ryanaoleary opened on Oct 21, 2026 · Updated on Nov 3, 2026
  

• [Core/Auth] Verify Anyscale platform clusters work with token auth on by default

  coresecurity
  ray-project/ray#67058 · by Filter by author MortalHappiness was closed on Nov 3, 2026 · Updated on Nov 3, 2026

• [Core/Auth] Update .claude/rules/security.md and Bugbot rules for token auth on by default

  coredocssecurity
  ray-project/ray#67217 · by Filter by author MortalHappiness was closed on Nov 3, 2026 · Updated on Nov 3, 2026
  

• [Core] RaySyncer on raylets never cleans up dead node info and can re-send to the GCS and affect scheduling

  bugcommunity-backlogcorestabilitytriage
  ray-project/ray#67744 · Filter by author dancingactor opened on Nov 3, 2026 · Updated on Nov 3, 2026

• [Data] to_pandas() returns another row's value or raises for null rows in tensor columns

  bugcommunity-backlogdatastabilitytriage
  ray-project/ray#67200 · by Filter by author ShawnGarello was closed on Nov 3, 2026 · Updated on Nov 3, 2026
  1

• [Serve] Gang scheduling + autoscaling: bounds that aren't multiples of gang_size cause DEPLOY_FAILED or endless scale flapping

  bugcommunity-backlogservestability
  ray-project/ray#67494 · Filter by author GNITOAHC opened on Oct 28, 2026 · Updated on Nov 3, 2026
  1

  

• [First-time contributor] Looking for beginner-friendly issues to contribute

  community-backlogcoredocsquestionusability
  ray-project/ray#65975 · by Filter by author 1printf was closed on Nov 3, 2026 · Updated on Nov 3, 2026
  1