Today Oneplus 3 and Oneplus 3T has got Oxygen OS public test update, Oneplus 3 Public test is 13th edition and Oneplus 3T public test is 7th. They have same update changelog, besides fixing alarm issue, other issues like app flash out have also been solved. And it has also optimized their battery life performance. If you have owned this two smartphones, you can update them.
Changelog
Fix alarm issue
Fix parts of apps flash out
Fix displaying issue under black and white theme
Fix the issue that after upgrading, it shows duplicated contacts.
Fix the issue that you can’t search the person from the contacts list.
Fix the issue that when you fist open Tencent news, the app flashes out.
Optimize battery life performance.
Update ways
Online Update: OTA update, in Settings–Update OS
Oneplus 3T Hydrogen OS Update Official Website Download Here
Oneplus 3 Hydrogen OS Update Official Website Download Here
Oneplus 3 Hydrogen OS Update Official Forum Download Here
Oneplus 3T Update Official Forum Download Here