For all new apps, Google now requires the Android App Bundle (.aab) format instead of the old APK. This modern format lets Google create optimized APKs for different device configurations, resulting in smaller download sizes for your users.
You'll also want to enroll in
Play App Signing, which allows Google to securely manage and protect your app's signing keys—a huge weight off your mind.
Before you upload, double-check that:
- Your app is digitally signed with your certificate
- You’ve incremented the version code and version name
- The build has been tested on multiple devices and Android versions
- The pre-launch report doesn’t show any crashes or Application Not Responding (ANR) errors
If you're moving an older project from APK to AAB, Android Studio makes the conversion pretty simple. Just be sure to test the actual bundle delivery thoroughly before the full release.