Hi Rick Huang,
Thanks for reaching out. APIs under the /beta version in Microsoft Graph are subject to change. We cannot provide any ETA on if or when a particular feature will be available in the Graph API or not. You can check the Graph ChangeLog Portal for status on new or existing Graph API features. Also, you can post your comments and feedback on the Graph feedback portal.
If the reply is helpful, please click Accept Answer and kindly upvote it. If you have additional questions about this answer, please click Comment.
Thanks.