The official links to report autofill issue:
-
Report autofill issues (browser extensions): Report auto-fill failure
-
Report autofill issues (mobile apps): Report mobile autofill failure
I was able to autofill the email field without any adjustments on my Android phone (also with Brave). As I didn’t get past that field, I couldn’t test the password field.
For Android autofill, I would recommend this: [Short Guide / Tips] Autofill on Android