All notable changes to this project are documented in this file.
The format is based on Keep a Changelog, and this project adheres to Semantic Versioning. See the CONTRIBUTING guide for instructions on how to add changelog entries.
- Add support for linux riscv64 platform (#18156)
- [Rule based auto-tagging] Add get rule API (#17336)
- [Rule based auto-tagging] Add Delete Rule API (#18184)
- Implement parallel shard refresh behind cluster settings (#17782)
- Bump OpenSearch Core main branch to 3.0.0 (#18039)
- [Rule based Auto-tagging] Add wlm
ActionFilter(#17791) - Update API of Message in index to add the timestamp for lag calculation in ingestion polling (#17977)
- Add Warm Disk Threshold Allocation Decider for Warm shards (#18082)
- Add composite directory factory (#17988)
- Add pull-based ingestion error metrics and make internal queue size configurable (#18088)
- Adding support for derive source feature and implementing it for various type of field mappers (#17759)
- [Security Manager Replacement] Enhance Java Agent to intercept newByteChannel (#17989)
- Enabled Async Shard Batch Fetch by default (#18139)
- Allow to get the search request from the QueryCoordinatorContext (#17818)
- Reject close index requests, while remote store migration is in progress.(#18327)
- Improve sort-query performance by retaining the default
totalHitsThresholdfor approximatedmatch_allqueries (#18189) - Enable testing for ExtensiblePlugins using classpath plugins (#16908)
- Introduce system generated ingest pipeline (#17817))
- Apply cluster state metadata and routing table diff when building cluster state from remote(#18256)
- Support create mode in pull-based ingestion and add retries for transient failures (#18250))
- Decouple the init of Crypto Plugin and KeyProvider in CryptoRegistry (18270))
- Support cluster write block in pull-based ingestion (#18280))
- Use QueryCoordinatorContext for the rewrite in validate API. (#18272)
- Upgrade crypto kms plugin dependencies for AWS SDK v2.x. (#18268)
- Add support for
matched_fieldswith the unified highlighter (#18164) - [repository-s3] Add support for SSE-KMS and S3 bucket owner verification (#18312)
- Optimize gRPC perf by passing by reference (#18303)
- Added File Cache Stats - Involves Block level as well as full file level stats (#17538)
- Added File Cache Pinning (#17617)
- Support consumer reset in Resume API for pull-based ingestion. This PR includes a breaking change for the experimental pull-based ingestion feature. (#18332)
- Create generic DocRequest to better categorize ActionRequests (#18269))
- Update Apache Lucene from 10.1.0 to 10.2.1 (#17961)
- Bump
com.google.code.gson:gsonfrom 2.12.1 to 2.13.1 (#17923, #18266) - Bump
com.github.spotbugs:spotbugs-annotationsfrom 4.9.0 to 4.9.3 (#17922) - Bump
com.microsoft.azure:msal4jfrom 1.18.0 to 1.20.0 (#17925) - Update Apache HttpClient5 and HttpCore5 (CVE-2025-27820) (#18152)
- Bump
org.apache.commons:commons-collections4from 4.4 to 4.5.0 (#18101) - Bump
nettyfrom 4.1.118.Final to 4.1.121.Final (#18192) - Bump
org.apache.commons:commons-configuration2from 2.11.0 to 2.12.0 (#18103, #18262) - Bump
com.nimbusds:nimbus-jose-jwtfrom 10.0.2 to 10.3 (#18104, #18336) - Bump
org.apache.commons:commons-textfrom 1.13.0 to 1.13.1 (#18102) - Bump
reactor-nettyfrom 1.2.4 to 1.2.5 (#18243) - Bump
reactorfrom 3.5.20 to 3.7.5 (#18243) - Bump
com.azure:azure-core-http-nettyfrom 1.15.7 to 1.15.11 (#18265) - Bump
lycheeverse/lychee-actionfrom 2.4.0 to 2.4.1 (#18264) - Bump
com.maxmind.geoip2:geoip2from 4.2.1 to 4.3.0 (#18263) - Bump
com.azure:azure-jsonfrom 1.3.0 to 1.5.0 (#18335) - Bump
org.jline:jlinefrom 3.29.0 to 3.30.3 (#18368) - Bump
com.nimbusds:oauth2-oidc-sdkfrom 11.23.1 to 11.25 (#18369) - Bump
gradle/actionsfrom 3 to 4 (#18371)
- [repository-s3] Removed existing ineffective
server_side_encryptionsetting (#18312)
- Fix simultaneously creating a snapshot and updating the repository can potentially trigger an infinite loop (#17532)
- Remove package org.opensearch.transport.grpc and replace with org.opensearch.plugin.transport.grpc (#18031)
- Fix the native plugin installation error cause by the pgp public key change (#18147)
- Fix object field exists query (#17843)
- Use Bad Request status for InputCoercionException (#18161)
- Null check field names in QueryStringQueryBuilder (#18194)
- Avoid NPE if on SnapshotInfo if 'shallow' boolean not present (#18187)
- Fix 'system call filter not installed' caused when network.host: 0.0.0.0 (#18309)
- Fix MatrixStatsAggregator reuse when mode parameter changes (#18242)