Essential recently pushed out another software update, the two biggest changes include fingerprint sensor gestures and a fix for KRACK.
Fingerprint sensor gestures on the Essential PH-1 work just like on the Google Pixel and Google Pixel 2's. Swiping down on the fingerprint sensor will show notifications, swiping up will dismiss notifications. The other big news here is a fix for the KRACK vulnerability. The update also includes the latest October 2017 security patch from Google, improved performance, bug fixes, and better touch scrolling.
The update is rolling out with a build number of NMJ20D and file size of 74.8Mb. The update will download in the background and once it's ready to go restarting your Essential PH-1 with the new update installed.
The unlocked variant of the Essential Phone already has access to the new update build NMJ20D, However the Sprint variant will have to wait for the carrier to approve the update prior to it gets pushed out to phones.
Source: Essential via Twitter