Merge pull request #189540 from sefriend/agent-doc-updates

Added information about version 4119.1500

Author: PRMerger10

articles/virtual-desktop/whats-new.md

@@ -36,7 +36,12 @@ The Azure Virtual Desktop agent updates at least once per month.
 
 Here's what's changed in the Azure Virtual Desktop Agent:
 
-- Version 1.0.4009.1500: This update was released in January 2022 and includes the following changes.
+- Version 1.0.4119.1500: This update was released in February 2022 and includes the following changes:
+    - Fixes an issue with arithmetic overflow casting exceptions.
+    - Updated the agent to now start the Azure Instance Metadata Service (IMDS) when the agent starts.
+    - Fixes an issue that caused Sandero name pipe service start ups to be slow when the VM has no registration information.
+    - Gneral bug fixes and agent improvements.
+- Version 1.0.4009.1500: This update was released in January 2022 and includes the following changes:
     - Added logging to better capture agent update telemetry.
     - Updated the agent's Azure Instance Metadata Service health check to be Azure Stack HCI-friendly
 - Version 1.0.3855.1400: This update was released December 2021 and has the following changes: