Yandex MetaData Hub release notes
2026
March
Supported a new data source, DataLens, which is a business analytics tool for visualizing your data. Now you can set up ingestions from DataLens and analyze links between datasets.
January
You can now configure connections to Schema Registry in the Apache Kafka® and Data Streams data source settings in Data Transfer.
2025
December
New features
Data Catalog users can now enjoy these extra metadata analysis and management features:
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Metadata markup management space with bulk editing and statistics.
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Data storage for viewing datasets uploaded from multiple sources.
Fixed issues
Fixed an error when using connections to the custom Yandex StoreDoc installation.
November
New features
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Added an MCP server for Data Catalog, enabling the use of AI agents to search metadata, view catalogs, get metadata by ID, and retrieve metadata links.
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You can now add queries in WebSQL.
Fixed issues
Improved metadata profiling and contextual search.
October
New features
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Renamed Connection Manager connections for managed MongoDB database clusters to Yandex StoreDoc connections.
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In Data Catalog, added new data sources: WebSQL, Yandex StoreDoc/MongoDB, OpenSearch, and Greenplum®. Also, users can now run SQL queries with WebSQL.
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Data Catalog now supports metadata profiling.
Fixed issues
- You can now validate connection names and generate passwords in Connection Manager.
September
New features
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Connection Manager has entered the General Availability stage; added support for YC CLI and Terraform.
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Apache Hive™ Metastore has entered the General Availability stage; the use of clusters is now charged.
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Data Catalog has entered the Public Preview stage. The metadata AI markup and AI search are now implemented.
August
New features
- In Connection Manager, added the option to manage connections with custom Apache Kafka® installations and Managed Service for Apache Kafka® clusters; added support for sharded clusters in ClickHouse®.
Fixed issues
- Improved stability of connections in Connection Manager.
July
New features
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Improved the Data Catalog UI; made the tool more stable.
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Now you can manage database connection settings in Connection Manager using the API.
June
New features
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Yandex MetaData Hub now features Data Catalog, a tool for collecting, analyzing, and marking up metadata from various sources. Data Catalog is at the Technical preview stage and is available upon request to support.
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When creating new Managed Service for MySQL® and Managed Service for ClickHouse® clusters, connections to Connection Manager are now automatically created. Migration is available for old clusters.
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Expanded the list of endpoints in Yandex Data Transfer with support for Connection Manager integration.
April
New features
- Now creating a new Managed Service for PostgreSQL cluster automatically creates connections in Connection Manager. Migration is available for old clusters.
Fixed issues
- Fixed the Schema Registry configuration to eliminate the
too many active clients for usererror. - Fixed subject and schema deletion in Schema Registry.
March
New features
- Added a button to upload a schema to an existing Schema Registry subject.
- Added Public materials about Yandex MetaData Hub to the Yandex MetaData Hub documentation.
February
New features
- Implemented access control in the list of connections. Users will only see connections they have access to (they have the
connection-manager.auditorrole orconnection-manager.viewerrole). A user with access to a folder will see all connections in that folder. - Improved stability when providing passwords to Yandex Data Transfer, Yandex WebSQL, and DataLens.
January
New features
- Now you can manage connections with custom MongoDB installations and Yandex StoreDoc clusters.
- Updated the password entry setting in the connection create and edit form.
- You can now set up the JSON schema compatibility policy in the schema registry.
Fixed issues
- Fixed the schema registry error that caused redundant connections to databases.
2024
December
New features
Now you can manage connections to the following databases:
- Trino custom installation
- OpenSearch custom installation
- Managed Service for OpenSearch cluster
November
New features
- In the management console, you can now connect to a selected Schema Registry namespace.
October
New features
- Added a new feature for integrating Connection Manager with Yandex Data Transfer: when creating a transfer, you can now use a drop-down list of available connections.
- Schema Registry now supports authentication with API keys so you no longer need to regularly update your secret for authentication.
Fixed issues
- Improved stability when mass creating connections in Connection Manager.
September
New features
- Apache Hive™ Metastore clusters are now part of Yandex MetaData Hub.
- Schema Registry is available in Preview.
- Yandex Data Transfer users can now specify a Connection Manager connection ID to configure the Managed Service for PostgreSQL endpoint.
- In Yandex DataLens, you can now use Connection Manager to create PostgreSQL, ClickHouse®, and MySQL® connections.
August
New features
Added support for custom Valkey™ DB installation and Yandex Managed Service for Valkey™ cluster connections.
July
New features
Added Connection Manager integration with Managed Service for ClickHouse®. Connections for Managed Service for ClickHouse® clusters will be created automatically.
June
New features
- Added filtering by name in the list of connections.
- Added viewing the operations of any selected connection.
Fixed issues
- Fixed a bug with viewing connections to user database installations.
- You can now edit connection parameters.
May
New features
- Added Connection Manager integration with Managed Service for MySQL®. Connections for Managed Service for MySQL® clusters will be created automatically.
- Now you can specify databases in connections to ClickHouse®.
ClickHouse® is a registered trademark of ClickHouse, Inc.
Apache® and Apache Hive™ are either registered trademarks or trademarks of the Apache Software Foundation in the United States and/or other countries.