Added a new update

Author: kevinguo-ed

articles/azure-web-pubsub/whats-new.md

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 On this page, you can read about recent updates about Azure Web PubSub. As we make continuous improvements to the capabilities and developer experience of the service, we welcome any feedback and suggestions. Reach out to the service team at **[email protected]**
 
+
+## Q1 2024
+
+### Web PubSub VS Code extension is in public preview
+Developers can manage Azure Web PubSub resources on Azure portal or using Azure CLI. Now with the release of Web PubSub service’s VS Code extension, developers who use VS Code enjoy the benefit of managing their Web PubSub resources right from within their code editor. This extension minimizes context switching and improves developers’ productivity.
+
+**Features included:**
+•	View, create, delete, and restart Azure Web PubSub resources
+•	View, create, delete hub settings
+•	View, create, delete and update event handlers
+•	View resource metrics
+•	Scale up and scale out
+•	Check resource health
+•	Re-generate access key
+•	Copy connection string or endpoint of the service to clipboard
+•	Switch the anonymous connect policy of hub setting
+•	Attach [Azure Web PubSub local tunnel tool](./howto-web-pubsub-tunnel-tool.md)
+•	View realtime resource logging during development through [LiveTrace tool](./howto-troubleshoot-resource-logs.md)
+
+> [!div class="nextstepaction"]
+> [Learn more about the new VS Code extension](./tutorial-develop-with-visual-studio-code.md)
+
 ## Q4 2023
 
 ### Web PubSub for Socket.IO is now generally available