With the latest Nightly android release, tapping on dropdown lists have no effect in all websites.
For example try changing the language ui in common voice website.
98.0a1 (Build #2015859243), 3e796726d+
AC: 98.0.20220123143137, de26ff7e53
GV: 98.0a1-20220123093907
AS: 90.0.0
Android 12