I agree. I have JEM in J5, but the JL 5.0 update was after install JEM on JL5.0RC2.
So, 4.1.1 supprt install in JL 5.0.0.
Thanks.
At the end of the day, computing and technology, like Joomla and JEM are here to help the end user and make our lives a little easier. Help us to be better.