Issues

• [BUG] cancel_after_time_interval values -1s, -1m and 0 are accepted but cancel searches immediately

  bugSearch:Resiliencyuntriaged
  opensearch-project/OpenSearch#23450 · Filter by author dzane17 opened on Oct 27, 2026

• [Feature/Bug] Implement normalizedWildcardQuery in WildcardFieldMapper to support query_string and Percolator

  untriaged
  opensearch-project/OpenSearch#23448 · Filter by author thecodingshrimp opened on Oct 27, 2026

• Correct descending port range error

  untriaged
  opensearch-project/OpenSearch#23441 · Filter by author itsprateek4510 opened on Oct 26, 2026

• [Feature Request] [docs] Clarify backwards compatibility policy for APIs exposed by plugins

  enhancementPluginsuntriaged
  opensearch-project/OpenSearch#23440 · Filter by author Quaffel opened on Oct 26, 2026

• [Feature Request] Add a limit parameter to _cat APIs to cap the number of rows returned

  enhancementOtheruntriaged
  opensearch-project/OpenSearch#23438 · Filter by author kkhatua opened on Oct 26, 2026
  6

  

• [FEATURE] Support expand_wildcards in the CAT shards API

  untriaged
  opensearch-project/OpenSearch#23436 · Filter by author cwperks opened on Oct 25, 2026
  1

• [BUG] Filtering on derived field with sort on an underlying optional field causes illegal_state_exception

  bugSearchuntriaged
  opensearch-project/OpenSearch#23432 · Filter by author szydra opened on Oct 25, 2026
  1

• Set visibility contexts for index custom metadata

  enhancementSearchuntriaged
  opensearch-project/OpenSearch#23430 · Filter by author laminelam opened on Oct 25, 2026

• [Feature Request] Expose which Lucene segment each search hit came from (opt-in, for debugging)

  luceneSearchuntriaged
  opensearch-project/OpenSearch#23429 · Filter by author kotta-27 opened on Oct 24, 2026

• Cardinality aggregation fails on segments with more than 2^31 distinct values

  untriaged
  opensearch-project/OpenSearch#23421 · Filter by author rishabhmaurya opened on Oct 23, 2026

• opensearch-block-cache-0.1.0: 2 vulnerabilities (highest severity is: 9.9)

  Mend: dependency security vulnerabilityuntriaged
  opensearch-project/OpenSearch#23420 · Filter by author mend-for-github-com opened on Oct 23, 2026

• OpenJDK Update (October 2026 Security Alert Advisory)

  Buildenhancement
  opensearch-project/OpenSearch#23406 · Filter by author reta opened on Oct 22, 2026
  2

  

• [BUG] Peer recovery re-sends unchanged segment files after updates with segment replication

  Indexing:Replicationluceneuntriaged
  opensearch-project/OpenSearch#23404 · Filter by author aneesh-db opened on Oct 22, 2026

• [BUG] range/date_range aggregation on date_nanos returns wrong doc_count when filter rewrite applies (regression in 2.16.0)

  Search:Aggregationsuntriaged
  opensearch-project/OpenSearch#23403 · Filter by author osy497 opened on Oct 22, 2026

• [AUTOCUT] Gradle Check Flaky Test Report for WlmNodeThrottlingIT

  autocutflaky-test>test-failureuntriaged
  opensearch-project/OpenSearch#23402 · Filter by author opensearch-ci-bot opened on Oct 22, 2026

• [Feature Request] Make cache sizes dynamic

  enhancementSearch:Performanceuntriaged
  opensearch-project/OpenSearch#23401 · Filter by author sgup432 opened on Oct 21, 2026

• [Feature Request] Expose live per-bucket WLM throttle state

  enhancementSearch:ResiliencySearch:Workload Managementuntriaged
  opensearch-project/OpenSearch#23399 · Filter by author dzane17 opened on Oct 21, 2026

• [Feature Request] Warm/remote-backed read path: serve access-pattern-unfriendly files as whole local files instead of fixed-size blocks

  enhancementluceneStorage:Remoteuntriaged
  opensearch-project/OpenSearch#23398 · Filter by author kotwanikunal opened on Oct 21, 2026
  1

  

• [Feature Request] Publish version catalog

  Buildenhancementuntriaged
  opensearch-project/OpenSearch#23397 · Filter by author cpuzicha opened on Oct 21, 2026

• [BUG] Deleted index data left on disk permanently when a shard lock is held during the delete

  bugStorageuntriaged
  opensearch-project/OpenSearch#23394 · Filter by author linuxpi opened on Oct 21, 2026
  

• [RFC] Explicit storage guarantees for repository plugins used by remote-backed storage

  Storage:RemoteStorage
  opensearch-project/OpenSearch#23391 · Filter by author vishwajeetdusane opened on Oct 21, 2026
  2

• Increment version for 2.19.8

  Build
  opensearch-project/OpenSearch#23390 · Filter by author github-actions opened on Oct 20, 2026

• [BUG] DSL Calcite hit path does not preserve _source filtering semantics

  Search:Query Capabilities
  opensearch-project/OpenSearch#23385 · Filter by author KarstenSchnitter opened on Oct 20, 2026

• [BUG] DSL Calcite reconstructed hits serialize date fields in SQL timestamp format

  Search:Query Capabilities
  opensearch-project/OpenSearch#23384 · Filter by author KarstenSchnitter opened on Oct 20, 2026

• [BUG] DSL search filter intercepts requests for non-pluggable indices

  lucenePluginsuntriaged
  opensearch-project/OpenSearch#23381 · Filter by author KarstenSchnitter opened on Oct 20, 2026