Update ChangeLog.md (#20254)

* Update ChangeLog.md

* Update src/StackHCI/ChangeLog.md

Co-authored-by: Beisi Zhou <[email protected]>

Co-authored-by: Beisi Zhou <[email protected]>

Author: Nickcandy

src/StackHCI/ChangeLog.md

@@ -18,6 +18,12 @@
         - Additional information about change #1
 -->
 ## Upcoming Release
+* Enabled system-assigned identity on HCI cluster resource registration and repair registration flow.
+* Added error message in the command Register-AzStackHCI if Arc is not enabled.
+* Added default region confirmation prompt if the region is not mentioned in the command Register-AzStackHCI.
+* Added general logging improvements.
+* Added logic that skipping the Arc SPN permission check in Register-AzStackHCI if a customer doesn't have the required permissions to read Arc SPN credential.
+* Added deprecation message for the command Test-AzStackHCIConnection. Customers can use Invoke-AzStackHciConnectivityValidation from the module AzStackHCI.EnvironmentChecker for connectivity verification tests.
 
 ## Version 1.3.2
 * Supported WDAC compliant APIs