Update CHANGELOG-tao.md (#633)

changes/CHANGELOG-tao.md

@@ -1,6 +1,6 @@
 # What's new in TAO Dashboard
 
-## TAO Dashboard v3.0.0:
+## TAO Dashboard v3.1.0:
 **Important:** Update to this version requires cid-cmd v0.2.27. Please update cid-cmd first before updating the dashboard. During the update you'd need to provide a path to s3 folder where your Trusted Advisor data is stored. QuickSight dataset ta-organizational-view will be updated, please make a copy if you've made any customizations to the dataset. To update run these commands in your CloudShell (recommended) or other terminal:
 
 ```
@@ -13,10 +13,14 @@ cid-cmd update --dashboard-id ta-organizational-view --recursive
 
 **Fault Tolerance tab:** Added historical trends for all checks
 
+**Summary tab:** Added Trusted Advisor Explorer section which allows to interactively explore all flagged resources across all checks and accounts in a single place 
+
 **Bug fixes and improvements:**:
  * Historical trends visuals across all tabs now include not only actual checks to better represent trends. 
  * Bug fix for detailed view visuals across all tabs to exclude duplicates in some corner cases 
 
+
+
 ## TAO Dashboard v2.0.0:
 
 **Important:** Update to this version requires cid-cmd v0.2.12. Please update cid-cmd first before updating the dashboard. During the update you'd need to provide a path to s3 folder where your Trusted Advisor data is stored. QuickSight dataset ta-organizational-view will be updated, please make a copy if you've made any customizations to the dataset. To update run these commands in your CloudShell (recommended) or other terminal: