Before, sorry if this topic had been discussed.
I just try Addon Users List V2. I download it from this.

After installed, I found a little bug like this:

Step 1. I create 2 register users, I name them user1 and user2
Step 2. I login with user1, and in User Menu I see "Hi user1 (User)"
Step 3. Then I click Users List, and now at User Menu I see "Hi user2 (User)", but it must is "Hi user1 (User)".

Are this a bug?

Yes it seems to have a bug.

Try this attachment. Copy it into pages/xxx/index.php

Thanks mem. The bug had been fixed now.