Is anyone having issue with saved CC/BCC email addresses for invoices showing up and actually being saved on new invoices? It was working but now I don't see any.

We have not received any reports regarding this issue, Merredith.
 
Based on what you've shared, I recommend clearing your cache and removing Intuit-specific cookies to remove old files, allowing the browser to retrieve fresh data.

Alternatively, you can use other supported browsers and devices.
 
If you'd like to notify your customers about their outstanding balances and overdue invoices, check out this article: Create and send customer statements in QuickBooks Online.
 
If you have any further concerns, feel free to reply below.