Issues

• Proposal: drop the EXTERNAL permission for druid and inline input sources, and bring back the INLINE table function

  Proposal
  apache/druid#20889 · Filter by author FrankChen021 opened on Nov 12, 2026

• Basic-security: deprecate resourceNamePattern in the roles/{role}/permissions response and return 400 instead of 500 on malformed permission entries

  Contributions WelcomeFeature/Change Description
  apache/druid#20888 · Filter by author FrankChen021 opened on Nov 12, 2026
  2

  

• Basic-security: complete the deprecation of the wrapped permission format in users/{user} and roles/{role}, remove simplifyPermissions

  Contributions WelcomeFeature/Change Description
  apache/druid#20887 · Filter by author FrankChen021 opened on Nov 12, 2026
  2

  

• Make LZ4 and Zstd compression levels configurable in IndexSpec (currently hard-coded to LZ4 HC-9 and Zstd 22)

  Proposal
  apache/druid#20886 · Filter by author FrankChen021 opened on Nov 12, 2026

• Druid 39 release notes

  apache/druid#20876 · Filter by author Fly-Style opened on Nov 10, 2026

• Broker shutdown logs many spurious stack traces from MetadataSegmentView and ChangeRequestHttpSyncer

  Contributions Welcome
  apache/druid#20873 · Filter by author FrankChen021 opened on Nov 10, 2026
  3

  

• CI infra: GitHub runner receives shutdown signal mid-job (static-checks-maven)

  Contributions WelcomeFlaky test
  apache/druid#20872 · Filter by author FrankChen021 opened on Nov 10, 2026

• Speed up compaction by skipping the segment download in the planning phase

  Proposal
  apache/druid#20865 · Filter by author FrankChen021 opened on Nov 6, 2026

• [39.0.0] fix: Only mark fully contained segments unused in the segment metadata cache

  Backport
  apache/druid#20862 · Filter by author github-actions opened on Nov 6, 2026 · 40.0.0

• [39.0.0] fix: suppress various CVEs for Netty as non-targetable by Druid

  Backport
  apache/druid#20858 · Filter by author github-actions opened on Nov 5, 2026 · 39.0.0

• [Proposal] Self-service authorization introspection for SQL: descriptive 403 messages and sys.grants

  Proposal
  apache/druid#20847 · Filter by author FrankChen021 opened on Nov 5, 2026

• Coordinator/Overlord leadership can move to, and stay on, a node that can't do its job and never moves back

  Uncategorized problem report
  apache/druid#20838 · Filter by author Anubhav-Roy opened on Nov 4, 2026

• [39.0.0] fix: Restore the shutdownAllTasks Overlord API

  approvedBackport
  apache/druid#20831 · Filter by author github-actions opened on Nov 4, 2026 · 39.0.0

• [39.0.0] feat(web-console): suggest query context parameters after SET

  approvedBackport
  apache/druid#20829 · Filter by author github-actions opened on Nov 4, 2026 · 40.0.0
  1

• [39.0.0] fix: Fail ingestion tasks when OffsetOutOfRangeException is raised

  Backport
  apache/druid#20823 · Filter by author github-actions opened on Nov 3, 2026 · 40.0.0

• Flaky test: IndexParallelTaskTest.test_runIndexTask_andReindexIntoAnotherDatasource

  Contributions WelcomeFlaky test
  apache/druid#20809 · Filter by author FrankChen021 opened on Nov 1, 2026
  2

  

• Proposal: unified dynamic configuration framework and a single /druid/v1/config API

  Proposal
  apache/druid#20802 · Filter by author FrankChen021 opened on Oct 30, 2026
  4

• Support MIN/MAX on string columns in the native query engine

  Contributions Welcome
  apache/druid#20785 · Filter by author FrankChen021 opened on Oct 29, 2026
  3

• Proposal: push V10 segments to deep storage without an archive, and add a per-task buildV10 context key

  Contributions WelcomeProposal
  apache/druid#20768 · Filter by author FrankChen021 opened on Oct 28, 2026
  3

• Proposal: merge druid.storage.zip into druid.storage.compressionFormat with a new 'none' value

  Contributions WelcomeProposal
  apache/druid#20767 · Filter by author FrankChen021 opened on Oct 28, 2026

• [39.0.0] minor: Validate protobuf message class

  approvedBackport
  apache/druid#20757 · Filter by author github-actions opened on Oct 27, 2026 · 39.0.0

• bin/start-druid fails with "Druid requires Java 17 or 21" on systems with JDK 25 installed

  Uncategorized problem report
  apache/druid#20739 · Filter by author winsmith opened on Oct 26, 2026 · 38.0.0
  4

• Backoff for supervisor task relaunch

  Feature/Change Description
  apache/druid#20727 · Filter by author suraj-goel opened on Oct 26, 2026

• [39.0.0] fix!: fix CI and JDK HttpClient failures on JDK 25.0.5 caused by query response trailers

  Backport
  apache/druid#20721 · Filter by author github-actions opened on Oct 24, 2026 · 39.0.0

• [39.0.0] perf: optimize some multi-value string operators to allow planning to specialized ListFilteredVirtualColumn without extractionFn

  approvedBackport
  apache/druid#20670 · Filter by author github-actions opened on Oct 21, 2026 · 40.0.0