New Google Play Console: where to upload mapping.txt?
You can upload mapping.txt in Google Play Console New UI in this way
Select Release > Production > Upload ReTrace mapping file
To upload a deobfuscation:
- Open the Play Console.
- Select an app.
- On the left menu, select Release > App bundle explorer.
- Select the Downloads tab, and scroll down to the 'Assets' section. Click the upload arrow for the mapping file or the debug symbols as applicable to upload the deobfuscation for the version of your app.
You can also get details on here
It's under a bundle options menu: