Android P Beta 1 has been released by Essential. Android P Beta 1 update is available via OTA, you need to have Android P Developer Beta installed to receive Android P Beta 1. Essential says the update will move Android P from a Developer Preview to a Beta. While this doesn’t mean it’s quite ready for general consumer use, it does signal that the build will be a lot more stable.
Android P Beta 1 includes the final Android P APIs and an updated SDK. While Essential owners can install the update keep in mind that it's aimed more toward's developers, and could be buggy.
The Android P Beta 1 for the Essential Phone will include the following:
Google Security Patches 2018-06
Latest Google Android P code integration
Improved adaptive brightness range
If you're interested in loading Android P Beta 1 on your Essential PH-1 hit up settings, system update and grab Essential's Android Beta 1.
Source: Essential via Twitter, Essential Developer blog