Google has several forward-looking changes to Android planned, the effects of some will be felt soon while others will make a difference later. Starting in August 2018, new apps will be required to target Android 8.0 API. They can still support old versions of Android, but they'll have to play by the rules when running on Oreo and later. This makes some currently optional features mandatory - like using Marshmallow's runtime permissions. Additional requirements will improve user privacy while limiting the performance impact of ill-behaved apps. From November 2018, not just...
Source: https://www.gsmarena.com/google_will_require_that_apps_support_64bit_chipsets_in_2019-news-28803.php
