This page lists the release notes for OpenSearch Retrieval Engine Edition in reverse chronological order.
2025
January
| Release date | Description |
|---|---|
| 2025-01-02 | Data Lake Formation data sources: Data Lake Formation (DLF) data sources can now be used as full data sources. |
2024
December
| Release date | Description |
|---|---|
| 2024-12-05 | In-place reindex: Run reindex directly on existing index data without rewriting from the data source or restoring data first. |
| 2024-12-05 | JSON as full OSS data source: JSON files stored in Object Storage Service (OSS) can now be used as full data sources. |
July
| Release date | Description |
|---|---|
| 2024-07-01 | Log management: View, query, and write logs from the OpenSearch console. |
| 2024-07-01 | Field default values: Set custom default values for fields. |
June
| Release date | Description |
|---|---|
| 2024-06-04 | Console UI refresh: Updated the OpenSearch console interface for improved usability. |
| 2024-06-04 | Decoupled shard configuration: The number of table shards is now independent of the number of Searcher workers, and shard counts are decoupled between tables. |
March
| Release date | Description |
|---|---|
| 2024-03-26 | End-to-end canary switching: Gradually roll out index changes across the full pipeline before full deployment. |
| 2024-03-26 | Online configuration: Modify configurations without restarting the service. |
| 2024-03-26 | Updated monitoring metrics: Expanded set of monitoring metrics for better observability. |
| 2024-03-26 | Improved Change History page: The finite-state machine (FSM) process visualization on the Change History page is now easier to follow. |
| 2024-03-26 | Field comments: Add comments to fields for documentation and team collaboration. |
January
| Release date | Description |
|---|---|
| 2024-01-08 | Multi-vector documents: Configure multiple vectors for a single document. |
| 2024-01-08 | Text-to-vector conversion model: Automatically converts Chinese or English text (128, 512, or 1,024 tokens) to vector data. |
2023
November
| Release date | Description |
|---|---|
| 2023-11-13 | Change History readability: Improved layout and information presentation on the Change History page. |
| 2023-11-13 | OSS region check: Verify whether an OSS data source is in the same region as your OpenSearch instance. |
| 2023-11-13 | Timestamp shortcut: Set the current time directly as a timestamp without manual input. |
October
| Release date | Description |
|---|---|
| 2023-10-12 | Smaller worker specifications: QRS workers and Searcher workers are now available in smaller configurations. Minimum specifications: QRS worker — 2 vCPUs and 8 GB memory; Searcher worker — 2 vCPUs and 16 GB memory. |
| 2023-10-12 | Storage options for workers: Cloud disks and SSDs are now supported for QRS workers and Searcher workers. |
| 2023-10-12 | Free index storage quota: Each OpenSearch instance includes a free quota of 100 GB for index storage. |
| 2023-10-12 | Adjusted pricing: Instance rental fees have been updated. |
| 2023-10-10 | Enhanced image-to-vector model: An improved image embedding model optimized for e-commerce search scenarios. |
August
| Release date | Description |
|---|---|
| 2023-08-31 | Sub-documents: Configure sub-documents for an index table to support nested data structures. |
| 2023-08-31 | Cava-based plug-ins: Build and deploy custom plug-ins using the Cava language. |
June
| Release date | Description |
|---|---|
| 2023-06-07 | New vector index parameters: The ignore_invalid_doc and enable_rt_build parameters are now available for vector indexes. |
| 2023-06-07 | Account-level alerting: Configure instance alerting policies at the account level. |
| 2023-06-07 | Pause Switch: Pause index switching operations using the Pause Switch feature. |
| 2023-06-07 | File-based dictionary upload: Configure analyzer dictionaries by uploading files directly. |
March
| Release date | Description |
|---|---|
| 2023-03-30 | Image search: Search for images using an image or text query. Supports image embedding and text-to-image search. |
| 2023-03-30 | Data compression: Compress fields, attributes, and indexes to reduce storage usage. |
| 2023-03-30 | Internet access and IP address whitelists: Access OpenSearch over the Internet and restrict access using IP address whitelists. |
| 2023-03-30 | RESTful API queries: Query index data using RESTful APIs. |
2022
September
| Release date | Description |
|---|---|
| 2022-09-21 | Vector index improvements: DUP requirements on vector fields are lifted. Field order constraints are added and more field types are supported for vector indexes. Default values for advanced vector index settings simplify initial configuration. |
| 2022-09-21 | Wall-clock time timestamps: Timestamps in wall-clock time format are now supported. |
| 2022-09-21 | Deployment Management improvements: Switch index tables and view all data sources, index tables, and clusters from the Deployment Management page. |
August
| Release date | Description |
|---|---|
| 2022-08-16 | Index data recovery and quick shard scaling: Recover index data and scale shards quickly. |
| 2022-08-16 | Default alerting configuration: A default alerting configuration is now included for OpenSearch Retrieval Engine Edition to reduce initial setup effort. |
May
| Release date | Description |
|---|---|
| 2022-05-20 | Operational improvements: Quick cluster scale-out, click-based index schema configuration, online query configuration, and scenario-based O&M are now supported. |
| 2022-05-20 | Vector sorting plug-ins: Use vectors as plug-ins in the sorting phases. Multi-value indexes and range indexes are now supported. |
January
| Release date | Description |
|---|---|
| 2022-01-09 | Built-in analyzers: Six analyzers are now available — entertainment content, general e-commerce (English), IT content, e-commerce, person name, and geographic location — each with configurable intervention dictionaries. |
| 2022-01-09 | Custom multi-value delimiters: Define custom delimiters for multi-value fields. |
| 2022-01-09 | Simplified vector index configuration: Advanced parameters for vector indexes are hidden by default to reduce configuration complexity. |
| 2022-01-09 | Expanded monitoring and alerting: New metrics for index change rate thresholds and stale full or incremental index data, with configurable thresholds and time windows. |
| 2022-01-09 | Reindex progress tracking: Offline service metrics during reindexing are shown on the Change History page, and index building progress is visible in real time. |
2021
December
| Release date | Description |
|---|---|
| 2021-12-31 | General availability: OpenSearch Retrieval Engine Edition is now generally available. The service delivers high availability, high timeliness, and low costs, with a built-in automated O&M system on which you can build a search service based on your business requirements. |