Welcome to long waited collapsible left navigation bar!!!
Now you can collapse your left navigation bar with an arrow so you have more space to work.
To increase the space: Go to the company gear icon on the top right side of your screen. Click on the QuickBooks labs under Settings heading. You will see the first option there “Collapsible left navigation.”. Turn it ON, click done and sign back in. You will get the ability to minimize the left navigation bar so you get more space on the screen.