Holy Smokes!!! Brilliant find! I mean, that's very sucky on Intuit's part for this bug and never fixing (nor will they ever fix) it, but great job figuring that...
Not sure if available in all QB desktop versions, but in Premier, if you navigate to the Customers menu item at the top, select Income Tracker from the drop-dow...
@FritzFWhen you tried replicating, did you checkmark the "Combine forms to a recipient in one email" checkbox on the Send Forms popup? My guess is no. Will you ...
I have QB desktop, both 2019 and 2021. I can edit the email message when sending an invoice using an email template and it works just fine. Just tested it right...