magichappenz Microsoft.Graph has 39 modules, think of Microsoft.Graph.Entra as the 40th module.
It just has additional commands that make it easier to perform common scenarios.
As mentioned in the blog post (quoted below), there is no need to re-write any of your scripts that is using Graph PowerShell.
If you migrate scripts to Microsoft Graph PowerShell SDK now, there is no need to update them again with Microsoft Entra PowerShell, as it enhances and will not replace Microsoft Graph PowerShell SDK.
For reference here are the 39 commands you already have.
Microsoft.Graph.DirectoryObjects
Microsoft.Graph.DeviceManagement.Administration
Microsoft.Graph.People
Microsoft.Graph.Identity.SignIns
Microsoft.Graph.Education
Microsoft.Graph.DeviceManagement
Microsoft.Graph.PersonalContacts
Microsoft.Graph.Mail
Microsoft.Graph.Search
Microsoft.Graph.CrossDeviceExperiences
Microsoft.Graph.Reports
Microsoft.Graph.Users.Actions
Microsoft.Graph.Authentication
Microsoft.Graph.CloudCommunications
Microsoft.Graph.DeviceManagement.Functions
Microsoft.Graph.Users.Functions
Microsoft.Graph.DeviceManagement.Actions
Microsoft.Graph.Entra
Microsoft.Graph.Identity.Partner
Microsoft.Graph.Identity.DirectoryManagement
Microsoft.Graph.Identity.Governance
Microsoft.Graph.Security
Microsoft.Graph.Bookings
Microsoft.Graph.Devices.ServiceAnnouncement
Microsoft.Graph.Applications
Microsoft.Graph.Compliance
Microsoft.Graph.Calendar
Microsoft.Graph.DeviceManagement.Enrollment
Microsoft.Graph.Devices.CloudPrint
Microsoft.Graph.Devices.CorporateManagement
Microsoft.Graph.Groups
Microsoft.Graph.Notes
Microsoft.Graph.ChangeNotifications
Microsoft.Graph.Sites
Microsoft.Graph.Planner
Microsoft.Graph.Teams
Microsoft.Graph.SchemaExtensions
Microsoft.Graph.Files
Microsoft.Graph.Users