Thanks for stopping by the Community, while our product changes regularly to incorporate new features and standards to sustain a successful business model for companies like you and many others, there doesn't seem to be a recent change that affects invoices in the manner in which you're referring too, However, don't worry, because I'm going to guide you on how to email invoices correctly as-well-as how to print and record invoice payments.
To email or print a single invoice, follow these steps:
Select Sales, then invoices from the Toolbar.
Find the invoice in the list of transactions.
Select the drop-down arrow in the Actions column. From there you can choose to Print, Send or Send reminder.
To email or print multiple invoices:
Select Sales, then Invoices from the Toolbar.
Find then mark the boxes on the left of transactions.
On Batch actions drop down arrow, select either: Send invoices, Send reminder, or Print invoices.
Should you find yourself wanting to record your invoice payments, check out this helpful article, it highlights the process and can direct you right to where you need to be.