> For the complete documentation index, see [llms.txt](https://documentation.immuta.com/2025.1/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://documentation.immuta.com/2025.1/releases/preview-levels/features.md).

# 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](/2025.1/governance/author-policies-for-data-access-control/authoring-policies-in-secure/data-policies/reference-guides/data-policies.md#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](/2025.1/configuration/integrations/amazon-s3.md)                                                                                                                                                                                                                                  | Private preview | January 2024 (v2024.1)   |
| [Databricks Runtime 14.3 support](https://documentation.immuta.com/2025.1/releases/preview-levels/pages/e5MIOtScYRVQYaP6jPBR#databricks-runtime-14.3)                                                                                                                                                     | Private preview | March 2025 (2025.1)      |
| [Databricks Unity Catalog tag ingestion](/2025.1/configuration/integrations/databricks/databricks-unity-catalog/unity-catalog-overview.md#tag-ingestion)                                                                                                                                                  | Design partner  | 2024.3                   |
| [Bulk create Snowflake data sources](/2025.1/configuration/integrations/snowflake/reference-guides/snowflake-overview.md#snowflake-bulk-data-source-creation)                                                                                                                                             | Private preview | September 2022 (v2022.3) |
| [Google BigQuery](/2025.1/configuration/integrations/google-bigquery.md)                                                                                                                                                                                                                                  | Private preview | October 2022 (v2022.3)   |
| [Masking fields within struct columns](/2025.1/governance/author-policies-for-data-access-control/authoring-policies-in-secure/data-policies/reference-guides/data-policies.md#complex-data-types-masking-fields-within-struct-columns)                                                                   | Public preview  | 2021                     |
| [Microsoft Purview external catalog](/2025.1/configuration/manage-data-metadata/catalogs/reference-guides/pre-configuration.md#microsoft-purview-catalog)                                                                                                                                                 | Private preview | September 2024 (v2024.3) |
| [Monitors and observations](/2025.1/governance/detect-your-activity/monitors/detect-monitors-reference-guide.md)                                                                                                                                                                                          | Public preview  | February 2024            |
| [Impersonation](/2025.1/governance/data-consumers/user-impersonation.md)                                                                                                                                                                                                                                  | Public preview  | November 2021 (v2021.4)  |
| [Orchestrated masking policies](/2025.1/governance/author-policies-for-data-access-control/authoring-policies-in-secure/data-policies/reference-guides/orchestrated-masking-policies.md)                                                                                                                  | Private preview | October 2022 (v2022.4)   |
| [Snowflake lineage tag propagation](/2025.1/configuration/integrations/snowflake/reference-guides/overview.md)                                                                                                                                                                                            | Private preview | December 2022 (v2022.5)  |
| [Write access policies for Snowflake and Databricks Unity Catalog](/2025.1/governance/author-policies-for-data-access-control/authoring-policies-in-secure/section-contents/reference-guides/subscription-access-types.md)                                                                                | Private preview | September 2023 (v2024.1) |
| [Write access policies for Starburst (Trino)](/2025.1/governance/author-policies-for-data-access-control/authoring-policies-in-secure/section-contents/reference-guides/subscription-access-types.md)                                                                                                     | Private preview | February 2024 (v2024.2)  |
| [Write access policies for Amazon S3](/2025.1/governance/author-policies-for-data-access-control/authoring-policies-in-secure/section-contents/reference-guides/subscription-access-types.md)                                                                                                             | Private preview | April 2024 (v2024.2)     |


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://documentation.immuta.com/2025.1/releases/preview-levels/features.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.