Google starts rolling out Android O Developer Preview 3 (OPP3.170518.006) with final Android O APIs. This is the second last developer preview release of Android O (final DP will release in July) and it will fix many bugs and stability issues found in the previous developer preview builds. This build also includes final API level 26 for the upcoming Android O platform. It means developers can now test their apps to make them compatible with the Android O, which is scheduled to release in August.
It is also worth noting that the Android O DP3 release note lists a few bugs and issues only, which include system and app performance worsens with prolonged use, camera app needs more time to launch, issues with launcher, installed apps and more. Google will likely to fix these issues in the final Developer Preview 4 build of Android O, which is scheduled to release in July.
You can view all the new changes, known issues, API changes, and general advisories of Android O Developer Preview 3 update in this page.
Android O Developer Preview 3 (OPP3.170518.006) will be available for all eligible Nexus 5X, Nexus 6P, Nexus Player, Pixel C, Pixel and Pixel XL. If you have signed up for the Android beta program, you will get the OTA update on all supported devices, or download the system image and flash manually.
Note that this is the second final preview build of Android O and the remaining one preview will be released in July. The final release of the Android O not yet confirmed; most probably, it would be in August.
Download and Installation Instruction of Android O DP3
– If you have opted for Android Beta program, you will get the OTA (over the air) for the new update.