We recommend that you explore the new menu before Intuit fully implements it. The latest QuickBooks Online menu gives you quick access to your most important job centers like invoicing, banking, employee management, and more. We'll show you around your new menu and how you can customize it to best meet your workflows and habits.

https://quickbooks.intuit.com/learn-support/en-us/help-article/invoicing/internal-test-quickbooks-online-navigation/L8cX8o5Ep_US_en_US

Click on the link to read more about the new menu and instructions by QuickBooks!