Beta 4 came out on 25 July 2018, twelve days before the final release.
Google called it “the last preview milestone before we launch the official
Android P platform”. AOSP tags it android-p-preview-5.
| Release date | 25 July 2018 |
| Build | PPP5.180610.010, as reported by 9to5Google |
| Devices | Pixel, Pixel XL, Pixel 2 and Pixel 2 XL; partner phones over the following weeks |
| How to get it | Over the air through Android Beta, or by flashing the system image |
| Platform stability | Yes, since Beta 2 |
It was “a release candidate build with final system behaviors”. Google asked developers to finish compatibility testing, watch for non-SDK interface use, and publish updates without changing their target level first. Android 9 Pie shipped on 6 August 2018.