# Amazon OpenSearch Service user interface release history
<a name="application-release-history"></a>

The following table lists all releases of the Amazon OpenSearch Service support for OpenSearch UI and the features and enhancements included with each release.


| Change | Release date | Description | 
| --- | --- | --- | 
| New feature |  2025-03-10  | OpenSearch UI now supports cross-account data access to OpenSearch domains. You can configure applications in one account to access domains in different accounts using IAM or Amazon IAM Identity Center authentication, for both public and VPC domains. For more information, see [Cross-account data access to OpenSearch domains](application-cross-account-data-access-domains.md). | 
| New feature |  2025-12-29  | OpenSearch UI now supports customer managed keys (CMK) for encrypting application metadata. This feature helps you meet regulatory and compliance requirements by giving you full control over encryption keys. This launch also increases the metadata size limit for saved objects in OpenSearch UI, enabling you to create and store complex queries, extensive visualizations, and large-scale workspaces. For more information, see [Encrypting OpenSearch UI application metadata with customer managed keys](application-encryption-cmk.md). | 
| New feature |  2025-04-16  | OpenSearch UI now works with [cross-cluster search](cross-cluster-search.md). This makes it possible for you to use OpenSearch UI in one Amazon Web Services Region to access clusters in a different Region. This is done by configuring it as a remote cluster connected with a cluster in the same Region. For more information, see [Cross-cluster search](application-cross-cluster-search.md). | 
| New feature |  2025-03-31  | Amazon Q Developer is now generally available in Amazon OpenSearch Service. For information, see [AI Assistant for Amazon OpenSearch Service](AI-assistant-support.md). | 
| New feature |  2025-02-05  | Security Assertion Markup Language 2.0) (SAML) through Amazon Identity and Access Management (IAM) federation now works with OpenSearch UI. This makes it possible to create an identity provider-initiated Single Sign-On (SSO) experience for your end users. For more information, see [Enabling SAML federation with Amazon Identity and Access Management](application-enable-SAML-identity-federation.md). | 
| New integration |  2024-12-01  | Zero-ETL integration with Amazon CloudWatch simplifies log data analysis and visualization, reducing technical overhead and operational costs. For more information, see [New Amazon CloudWatch and Amazon OpenSearch Service launch an integrated analytics experience](https://amazonaws-china.com/blogs/aws/new-amazon-cloudwatch-and-amazon-opensearch-service-launch-an-integrated-analytics-experience/) on the *Amazon News Blog*. | 
| New integration |  2024-12-01  | Zero-ETL integration with Amazon Security Lake makes it possible for organizations to efficiently search, analyze, and gain actionable insights from their security data. For more information, see [Introducing Amazon OpenSearch Service and Amazon Security Lake integration to simplify security analytics](https://amazonaws-china.com/blogs/aws/introducing-amazon-opensearch-service-zero-etl-integration-for-amazon-security-lake/) on the *Amazon News Blog*. | 
| Initial release |  2024-11-07  | The initial public release of OpenSearch UI. For more information, see [Amazon OpenSearch Service launches the next-generation OpenSearch UI](https://amazonaws-china.com/blogs/big-data/amazon-opensearch-service-launches-the-next-generation-opensearch-ui/) on the *Amazon Big Data Blog*. |