@CamelleT  RE: I understand that the subtotal function is essential for you in making your invoices however this feature is currently unavailable in the new experience.

Wow, that's amazing! Amazing that Intuit thinks releasing a "new" experience without the features of the old one makes any sense at all! Amazing that QuickBooks Online, after all these years, is still so deficient when compared to QuickBooks Desktop.  Yes, Intuit is certainly full of surprises lately.