Jumpy Menus/Buttons Don't Work

In Unity, are you experiencing a jumpy menu like the video demo below?

Unity automatically scales up the interface for high resolution computers like Macs (Mac Retina displays) or high resolution monitors on Windows. You'll experience strange 2D menu interactions on click, like the video demo below. There's a simple fix for this, read on.

Video Demo of the Issue

How to Fix

For high resolution display users experiencing the weird jumpy display and buttons above, please click the display button on the Game menu in unity and check the "Low Resolution Aspect Ratios" button to test.

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Check this button to fix. Click to view screenshot larger.