Scoped Storage in Android 11 will have exemptions for older APIs and 'core' apps like file managers
https://www.androidpolice.com/2020/02/19/scoped-storage-in-android-11-will-have-exemptions-for-older-apis-and-core-apps-like-file-managers/

Android11でScoped Storageになるけど、file managerやbackup appsなどの"core use cases"のアプリに関しては免除されるらしいね
Android11 Developer preview1がリリースされたみたい