Mentioning users using search button does not work at all but mentioning via user ID works perfectly

Hi Christine

It works with usernames as well. But as far as I see it has some problem with hyphens. We'll check and update this addon as soon as possible.

Thanks Tom! Appreciate it!

About your sentence above of "It works for usernames as well", that isn't my experience at the moment. The only way I can get a mention to work is if I user the user ID. I'm attaching a screenshot of me trying the @ function in 3 ways:

1. By username (doesn't work)
2. By using the person search button (doesn't work)
3. By using the persons user ID (works)

The attached screenshot shows the results of all 3 attempts as well as the settings for the user in question.

Thanks again for looking into this!

Username should not be numerical, please never allow people use numerical usrnames. This addon will not support it as well.

Thanks Tom, but numeric usernames are perfectly acceptable in the context of WordPress so I am unsure of how to respond to your comment.

Besides, our usernames are generated numerically as a business process that we have no control over.