OpenSearch Release Notes

2.19.0_25.6.0_0814

Added the new version OpenSearch 2.19.0. This version integrates the unique enhancements of CSS into the open-source OpenSearch 2.19.0 release.

2.17.1_25.6.0_0814

Upgraded the base image version.

2.17.1_25.3.0_0407

The same as OpenSearch 2.17.1 in the open-source community.

1.3.6_25.6.0_0814

New features and performance enhancements:

• Removed sensitive information from ClusterState for OpenSearch clusters.
• Optimized permission control for the security plugin.
• Enhanced ISM reliability concerning the circuit breaker mechanism.
• Resolved the following issue: lifecycle management tasks cannot be executed once the disk space usage exceeds 95%.
• Resolved the following issue: the backup and restoration plugin occasionally fails to create a repository.
• Resolved the following issue: admin permissions are lost after the built-in role mapping is modified.
• Resolved the following issue: when a process is restarted to rectify OpenSearch parameter errors, its status flag is incorrectly set to successful.

1.3.6_25.3.0_0407

New features and performance enhancements:

• Removed some residual settings for plugins when restoring indexes.
• Fixed the following issue: The breaker of a security-mode cluster is inconsistent with the Elasticsearch design.
• Optimized node lockout mechanism: To prevent specific nodes from being locked due to repeated incorrect password attempts, add their IP addresses to a whitelist.
• Added write failure monitoring.
• Added the Pangu search plugin to implement semantic search.
• Fixed the following issue: The IK dictionary file may not take effect on new nodes upon an upgrade or scale-out operation.

1.3.6_25.1.0_0227

New features and performance enhancements:

• Added a node alarm to indicate abnormality of the filesystem tune2fs.

  Fixed the following issue: File handles may fail to be released promptly during log ingestion.

• Fixed the following issue: Process restart may occur when a _msearch query is canceled.