Update whats-new.md

Author: laujan

articles/ai-services/document-intelligence/whats-new.md

@@ -28,7 +28,6 @@ Document Intelligence service is updated on an ongoing basis. Bookmark this page
 > Preview API versions are retired once the GA API is released. The 2023-02-28-preview API version is being retired, if you are still using the preview API or the associated SDK versions, please update your code to target the latest API version 2023-07-31 (GA). </br>
 > Please note that [🆕 Document field extraction (custom generative) model](train/custom-generative-extraction.md) is under preview  with improvements for runtime latency, table extraction, confidence scores, auto labeling and streamline training.
 
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 ## November 2024
 
 **Document Intelligence v4.0 (2024-11-30) is now generally available (GA)**! The API version corresponds to 2024-11-30. The v4.0 API includes cumulative updates from preview releases as listed:
@@ -64,6 +63,11 @@ Document Intelligence service is updated on an ongoing basis. Bookmark this page
 *  [🆕 US Tax model](prebuilt/tax-document.md)
   * New prebuilt  tax models added for 1095A, 1095C, 1099SSA, and W4.
 
+* The v4.0 API includes cumulative updates from preview releases as listed:
+  * [August 2024](#august-2024)
+  * [May 2024](#may-2024)
+  * [Feb 2024](#february-2024) 
+
 ## August 2024
 
 The Document Intelligence [**2024-07-31-preview**](/rest/api/aiservices/document-models?view=rest-aiservices-v4.0%20(2024-07-31-preview)&preserve-view=true) REST API is now available. This preview API introduces new and updated capabilities: