Hello @Sark Nel
Thanks for reaching out to us, as the product team declared - they will be releasing GA version corresponding to 2023-02-28-preview in the first week of August.
Please keep eyes on it, and the What's new page is helpful - https://learn.microsoft.com/en-us/azure/ai-services/document-intelligence/whats-new
I hope this helps.
-Please kindly accept the answer and vote 'Yes' if you feel helpful to support the community, thanks a lot.