Update preview features list for April 3 release

Author: HeidiSteen

articles/search/search-api-preview.md

@@ -10,7 +10,7 @@ ms.service: cognitive-search
 ms.custom:
   - ignite-2023
 ms.topic: conceptual
-ms.date: 02/22/2024
+ms.date: 04/04/2024
 ---
 
 # Preview features in Azure AI Search
@@ -21,7 +21,11 @@ Preview features are removed from this list if they're retired or transition to
 
 |Feature                          | Category | Description | Availability  |
 |---------|------------------|-------------|---------------|
-|  [**Integrated vectorization**](vector-search-integrated-vectorization.md) | Index, skillset, queries | Skills-driven data chunking and vectorization during indexing, and text-to-vector conversion during query execution. | [Create or Update Index (preview)](/rest/api/searchservice/indexes/create-or-update?view=rest-searchservice-2023-10-01-preview&preserve-view=true) for `vectorizer`, [Create or Update Skillset (preview)](/rest/api/searchservice/skillsets/create-or-update?view=rest-searchservice-2023-10-01-preview&preserve-view=true) for AzureOpenAIEmbedding skill and the data chunking properties of the Text Split skill, and [Search POST (preview)](/rest/api/searchservice/documents/search-post?view=rest-searchservice-2023-10-01-preview&preserve-view=true) for `vectorQueries`, 2023-10-01-Preview or later. |
+|  [**Vector quantization**](vector-search-how-to-configure-compression-storage.md#option-3-configure-scalar-quantization) | Index | Compress vector index size in memory and on disk using built-in scalar quantization. | [Create or Update Index (preview)](/rest/api/searchservice/indexes/create-or-update?view=rest-searchservice-2024-03-01-preview&preserve-view=true) to add a `compressions` section to a vector profile. |
+|  [**Narrow data types**](vector-search-how-to-configure-compression-storage.md#option-1-assign-narrow-data-types-to-vector-fields) | Index | Assign a smaller data type on vector fields, assuming incoming data is of that data type. | [Create or Update Index (preview)](/rest/api/searchservice/indexes/create-or-update?view=rest-searchservice-2024-03-01-preview&preserve-view=true) to specify a vector field definition. |
+|  [**stored property**](vector-search-how-to-configure-compression-storage.md#option-2-set-the-stored-property-to-remove-retrievable-storage) | Index | Boolean that reduces storage of vector indexes by *not* storing retrievable vectors. | [Create or Update Index (preview)](/rest/api/searchservice/indexes/create-or-update?view=rest-searchservice-2024-03-01-preview&preserve-view=true) to set `stored` on a vector field. |
+|  [**Vectorizers**](vector-search-integrated-vectorization.md) | Queries | Text-to-vector conversion during query execution. | [Create or Update Index (preview)](/rest/api/searchservice/indexes/create-or-update?view=rest-searchservice-2023-10-01-preview&preserve-view=true) to define a `vectorizer`. [Search POST (preview)](/rest/api/searchservice/documents/search-post?view=rest-searchservice-2023-10-01-preview&preserve-view=true) for `vectorQueries`, 2023-10-01-Preview or later. |
+|  [**Integrated vectorization**](vector-search-integrated-vectorization.md) | Index, skillset | Skills-driven data chunking and embedding during indexing. | [Create or Update Skillset (preview)](/rest/api/searchservice/skillsets/create-or-update?view=rest-searchservice-2023-10-01-preview&preserve-view=true) for AzureOpenAIEmbedding skill and the data chunking properties of the Text Split skill. |
 | [**Import and vectorize data**](search-get-started-portal-import-vectors.md) | Azure portal | A wizard that creates a full indexing pipeline that includes data chunking and vectorization. The wizard creates all of the objects and configuration settings. | Available on all search services, in all regions. |
 | [**AzureOpenAIEmbedding skill**](cognitive-search-skill-azure-openai-embedding.md) | AI enrichment (skills) | A new skill type that calls Azure OpenAI embedding model to generate embeddings during queries and indexing. | [Create or Update Skillset (preview)](/rest/api/searchservice/preview-api/create-or-update-skillset), 2023-10-01-Preview or later. Also available in the portal through the [Import and vectorize data wizard](search-get-started-portal-import-vectors.md). |
 | [**Text Split skill**](cognitive-search-skill-textsplit.md) | AI enrichment (skills) | Text Split has two new chunking-related properties in preview: `maximumPagesToTake`, `pageOverlapLength`. | [Create or Update Skillset (preview)](/rest/api/searchservice/preview-api/create-or-update-skillset), 2023-10-01-Preview or later. Also available in the portal through the [Import and vectorize data wizard](search-get-started-portal-import-vectors.md). |