Private endpoint support for network security groups and User Defined Routes is now generally available.
Support for private endpoints is provided via network security groups (NSGs).
With the help of this feature improvement, you may activate additional security restrictions on traffic that is headed for a private endpoint.
support for user-defined routes (UDRs) on private endpoints. With this feature improvement, building custom routes won't require the creation of a /32 address prefix. In the user specified route tables, you will now be able to use a broader address prefix for traffic going to a private endpoint (PE) via a network virtual appliance (NVA).