(Namita Pradhan, Intern Journalist) WhatsApp is currently adding in-app support for users to file a bug report directly from the app. Some of the new features were observed in the new WhatsApp Beta version of Android. It is observed to be a part of the Whatsapp setting menu and is available on the contact us page.
The WhatsApp features tracker site WABetaInfo, WhatsApp 2.20.202.7 beta for the Android have the reference for the in-app support. This will be available on the Contact us page where user can place their complaint in the text field.