Verb conjugation of "obviate" in English

I am asking you to give me a reply as soon as possible so that we can proceed. Have you ever tested the new version? Many users are waiting for it, and are sending me lots of emails about it.
I usually do not travel, and if I do, then only to England, when I visit my parents who live in a suburb of London. I can not afford to travel too much, because it is a very large expense.
This is a fantastic idea, I am learning German just since last year. I speak, write and read well, and I will improve soon. This site, Vocabulix, I'm visiting often and I am mostly online.