# Features in Preview

The table below outlines the available features currently in preview for this release and when they were introduced.

| Feature                                                                                                                                                                                                                                                                                                                                | Availability    | Introduced               |
| -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------- | ------------------------ |
| Allow [masked columns as input for row-level policies](https://documentation.immuta.com/2025.1/governance/author-policies-for-data-access-control/authoring-policies-in-secure/data-policies/reference-guides/data-policies#masked-columns-as-input-for-row-level-policies) in the Snowflake and Databricks Unity Catalog integrations | Public preview  | September 2023 (v2023.3) |
| [Amazon S3 integration](https://documentation.immuta.com/2025.1/configuration/integrations/amazon-s3)                                                                                                                                                                                                                                  | Private preview | January 2024 (v2024.1)   |
| [Databricks Runtime 14.3 support](https://documentation.immuta.com/2025.1/configuration/integrations/databricks/databricks-spark/reference-guides/databricks/installation-and-compliance#databricks-runtime-14.3)                                                                                                                      | Private preview | March 2025 (2025.1)      |
| [Databricks Unity Catalog tag ingestion](https://documentation.immuta.com/2025.1/configuration/integrations/databricks/databricks-unity-catalog/unity-catalog-overview#tag-ingestion)                                                                                                                                                  | Design partner  | 2024.3                   |
| [Bulk create Snowflake data sources](https://documentation.immuta.com/2025.1/configuration/integrations/snowflake/reference-guides/snowflake-overview#snowflake-bulk-data-source-creation)                                                                                                                                             | Private preview | September 2022 (v2022.3) |
| [Google BigQuery](https://documentation.immuta.com/2025.1/configuration/integrations/google-bigquery)                                                                                                                                                                                                                                  | Private preview | October 2022 (v2022.3)   |
| [Masking fields within struct columns](https://documentation.immuta.com/2025.1/governance/author-policies-for-data-access-control/authoring-policies-in-secure/data-policies/reference-guides/data-policies#complex-data-types-masking-fields-within-struct-columns)                                                                   | Public preview  | 2021                     |
| [Microsoft Purview external catalog](https://documentation.immuta.com/2025.1/configuration/manage-data-metadata/catalogs/reference-guides/pre-configuration#microsoft-purview-catalog)                                                                                                                                                 | Private preview | September 2024 (v2024.3) |
| [Monitors and observations](https://documentation.immuta.com/2025.1/governance/detect-your-activity/monitors/detect-monitors-reference-guide)                                                                                                                                                                                          | Public preview  | February 2024            |
| [Impersonation](https://documentation.immuta.com/2025.1/governance/data-consumers/user-impersonation)                                                                                                                                                                                                                                  | Public preview  | November 2021 (v2021.4)  |
| [Orchestrated masking policies](https://documentation.immuta.com/2025.1/governance/author-policies-for-data-access-control/authoring-policies-in-secure/data-policies/reference-guides/orchestrated-masking-policies)                                                                                                                  | Private preview | October 2022 (v2022.4)   |
| [Snowflake lineage tag propagation](https://documentation.immuta.com/2025.1/configuration/integrations/snowflake/reference-guides/overview)                                                                                                                                                                                            | Private preview | December 2022 (v2022.5)  |
| [Write access policies for Snowflake and Databricks Unity Catalog](https://documentation.immuta.com/2025.1/governance/author-policies-for-data-access-control/authoring-policies-in-secure/section-contents/reference-guides/subscription-access-types)                                                                                | Private preview | September 2023 (v2024.1) |
| [Write access policies for Starburst (Trino)](https://documentation.immuta.com/2025.1/governance/author-policies-for-data-access-control/authoring-policies-in-secure/section-contents/reference-guides/subscription-access-types)                                                                                                     | Private preview | February 2024 (v2024.2)  |
| [Write access policies for Amazon S3](https://documentation.immuta.com/2025.1/governance/author-policies-for-data-access-control/authoring-policies-in-secure/section-contents/reference-guides/subscription-access-types)                                                                                                             | Private preview | April 2024 (v2024.2)     |