Google is trying to prevent Pixel 2 display burn-in with a light navigation bar

image source: 9to5Google
One of the biggest culprits for screen burn-in on the Pixel 2 and Pixel 2 XL, as well as last year's models, is the persistent navigation bar that Google uses – a black stripe with bright, white buttons. Since the navbar is almost always on-screen, after extended use, it leaves its mark on the OLED panel. To combat this, Google is introducing a burn-in protection feature in Android 8.1 Developer Preview that will dim the navbar after a short period of inactivity. Google is also encouraging developers to adopt a light navigation bar for their apps—light gray with dark gray buttons—to even further diminish the possibility of problematic burn-in.
The company is setting an example with the latest beta version of the Google app, which features a light navbar on Pixel and Pixel 2 models running Android 8.1 DP.

The latest version of Google app introduces a light navigation bar to minimize screen burn-in on OLED displays" 
Another change that Android 8.1 will bring to the table to combat screen burn-in is a lower max brightness for the Pixel 2 XL. The maximum brightness of the handset will be lowered with 50 nits.
via 9to5Google
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