Merge pull request #6337 from segmentio/dv-update-3

Update DV360 Docs

Author: forstisabella

src/connections/destinations/catalog/actions-display-video-360/index.md

@@ -133,7 +133,8 @@ After you complete the set up process, allow up to 24 hours for Google to create
 
 Segment will copy all of your existing Personas Display & Video 360 Destination configurations to Display and Video 360 (Actions). Once the migration is completed , you will be notified by email. 
 
-The sole mandatory action involves **re-authenticating** for each migrated Personans Display & Video 360 Destination. While you may already possess OAuth credentials, it is essential to undergo reauthentication. This step is necessary to seamlessly integrate new audiences or implement updates to existing ones.
+
+As of April 2, 2024, Segment no longer requires you to re-authenticate for existing Personas Display & Video 360 destinations. Segment, as an External Data Partner, now uses a set of Segment DMP credentials to authenticate on your behalf.  To add Segment as an External Data Partner, open Advertiser Settings, navigate to Linked Accounts, and then enable “Segment DMP”. 
 
 Segment is disabling all existing Personas Display and Video 360 destinations. You can still access your existing configuration, but please refrain from enabling the destination, as it is set to be deprecated. You will no longer be able to create new instances of Personas Display and Video 360.