After updating my galaxy note 20 5g ultra to android 11 this morning, I lost access to my SD card. This happened in android 10 and I don't remember how I got it back. I have over 5k songs on my SD card and I need my music. Tried the legacy option but that didn't work.
Solid Explorer 2.8.8 and above should allow access to the Android/xxx/ folder structure on Android 11. Access is now considered to be a 'special' permission though, so from the Reddit thread below it seems that any apps that wish to access it have to be specially vetted by Google (and I assume the user will also need to grant specific access permission when installing the app, so you might want to revoke old permissions and start again).
It is a complete dog's dinner though, as it's a prett