New Ubuntu installation has an empty /compat/ubuntu/home, which creates some error such as mkdir /home: permission denied, when starting Opera and Vivaldi. My guess is that when /compat/ubuntu/home exists then the compat layer won't search for the host system's /home, creating problems. After rmdir /compat/ubuntu/home the problem went away.
New Ubuntu installation has an empty
/compat/ubuntu/home, which creates some error such asmkdir /home: permission denied, when starting Opera and Vivaldi. My guess is that when/compat/ubuntu/homeexists then the compat layer won't search for the host system's/home, creating problems. Afterrmdir /compat/ubuntu/homethe problem went away.