We had a couple of great announcement for WVD the past week.
Here is a list to summarize them with the links to all the info.
1: The biggest change will be that you can now subscribe to workspaces with multiple useraccounts.
2: A very big topic is securing your wvd and Conditional access and MFA can help with that.
https://docs.microsoft.com/en-us/azure/virtual-desktop/set-up-mfa
3: Azure security center can help you to secure WVD