Merge pull request #4315 from laujan/4277-additi

 update content understanding what's new

Author: v-regandowner

articles/ai-services/content-understanding/whats-new.md

@@ -6,15 +6,39 @@ author: laujan
 manager: nitinme
 ms.service: azure-ai-content-understanding
 ms.topic: whats-new
-ms.date: 04/14/2025
+ms.date: 04/24/2025
 ms.author: lajanuar
 ms.custom:
-  - references_regions, ignite-2024-understanding-release
+  - references_regions
 ---
 
 # What's new in Azure AI Content Understanding?
 
 The Content Understanding service is continuously updated. Bookmark this page to stay informed about the latest features and samples.
 
+## April 2025
+
+The Content Understanding **2024-12-01-preview** REST API is now available. This update for preview API introduces the following updates and enhanced capabilities:
+
+* **General improvements**. For all modality, to request an increase from current limits, contact us at `[email protected]`.
+* **Prebuilt invoice template**. The invoice template is now customizable. Once you select the invoice template, you can access a predefined list of fields that can be tailored to your specific needs by adding or removing fields. 
+* **Generative and classification fields**
+  * Both generative and classify fields are now supported for documents modality. 
+  * You can now utilize the REST endpoint/Studio to define generative and classification fields with zero-shot outputs for documents. This feature enables you to generate summaries, infer results, and classify individual documents across multiple files.
+  * Multiple analyzers can be invoked to process individual files.
+* **Video modality**
+  * Latency improvement for video processing resulting in 50% lower latency.
+  * Expanded output types to add support for `Object` and `Arrays`
+  * Added support for video files provided via S3 presigned URL ingestion
+  * Improved video segmentation to semantically segment especially when no shot edits exist in the video
+* **Audio modality**
+  * API now supports the field type: `group`.
+* **Text modality**
+  * API support for the field type: `group`.
+* **User experience improvements**
+  * Added functionality to download and upload schema configurations during schema definition.
+  * Enhanced file labeling and analyzer building processes.
+  * Add download code samples for quick setup added.
+
 ## November 2024
 Welcome! The Azure AI Content Understanding API version `2024-12-01-preview` is now in public preview. This version allows you to generate a structured representation of content tailored to specific tasks from various modalities or formats. Content Understanding uses a defined schema to extract content suitable for processing by large language models and subsequent applications.