When you upload an APK, it must meet Google Play’s target API level requirements. New apps must target Android 12 (API level 31) or higher; except for Wear OS apps, which must target Android 11 (API level 30) or higher.
Starting in November 2022, app updates must target API level 31 or above and adjust for behavioral changes in Android 12; except for Wear OS apps, which must target API level 30 or higher.
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Today is November 1, which means Google Play’s target API level requirements have been updated. Talking about today’s update, the biggest change today is that if your app does not target API level 30 or higher, users on newer Android OS versions will not be able to search for or install the app through Google Play.
In addition, updates to existing apps will have to target API level 31 or higher or they will not be published. For Wear OS, updates to existing apps will have to target API level 30 or higher or they will not be published.