Update what's new

Author: alexandratran

docs/whats-new.md

@@ -11,6 +11,8 @@ of the [MetaMask developer page](https://metamask.io/developer/).
 
 ## May 2025
 
+- Documented [MetaMask SDK + Web3Auth SDK integration](/sdk/quickstart/javascript-web3auth).
+  ([#2029](https://github.com/MetaMask/metamask-docs/pull/2029))
 - Documented how to use the SDK CLI to set up a [JavaScript + Wagmi](/sdk/quickstart/javascript-wagmi) or [Dynamic SDK](/sdk/quickstart/javascript-dynamic) project.
   ([#2010](https://github.com/MetaMask/metamask-docs/pull/2010))
 - Documented [how to send batch transactions via EIP-5792 and EIP-7702](/wallet/how-to/send-transactions/send-batch-transactions).