2026/01/15 - 5 new 3 updated api methods
Changes Collection groups in Amazon OpenSearch Serverless enables to organize multiple collections and enable compute resource sharing across collections with different KMS keys. This shared compute model reduces costs by eliminating the need for separate OpenSearch Compute Units (OCUs) for each KMS key.
2025/12/02 - 2 updated api methods
Changes GPU-acceleration helps you build large-scale vector databases faster and more efficiently. You can enable this feature on new OpenSearch domains and OpenSearch Serverless collections. This feature uses GPU-acceleration to reduce the time needed to index data into vector indexes.
2025/09/04 - 1 updated api methods
Changes Add support for Federal Information Processing Standards (FIPS) and Federal Risk and Authorization Management Program (FedRAMP) compliance
2025/08/06 - 4 new api methods
Changes Features: add Index APIs in OpenSearchServerless to support managed semantic enrichment
2025/07/29 - 4 updated api methods
Changes This is to support Granular access control support for SAML with IAMFedraton in AOSS
2025/02/12 - 3 updated api methods
Changes Custom OpenSearchServerless Entity ID for SAML Config.
2024/10/30 - 4 updated api methods
Changes Neo Integration via IAM Identity Center (IdC)
2024/08/20 - 2 updated api methods
Changes Added FailureCode and FailureMessage to BatchGetCollectionResponse for BatchGetVPCEResponse for non-Active Collection and VPCE.