Change Existing Users using Email Address Only

As noted before, I use your plugin almost daily across a large series of virtual event websites, etc. I use it primarily to add new users, but every once in a while I need to use it to update existing users. For example:

Add a new user role to a subset of existing users.
Update Display Names so BuddyBoss directory will sort properly
Assign new BuddyPress groups to a subset of users.

Many times, the reference list is using email address only, especially if it’s provided by a client who is asking for a change to existing users.

The issue is that your import script requires both Username and Email address.

But we don’t have username available when it’s just an “update these users” type of scenario, especially when list is provided by client.

Would it be possible to add a function or a switch or some change to allow updates to existing users with email address only? And if an email address is not found in the website, it simply skip the record. (Or I guess you could add an option to “Create New User if email address is found) In other words, disregard the Username field all together?

Other plugins do this and it makes it much easier to update existing users. I use the Groups plugin and have their import/export users add-on. It allows you to assign users to groups referencing Email address only. It also has the option to create new user if none exist. https://docs.itthinx.com/document/groups-import-export/import-users/

I realize this might be deeply rooted into how the plugin works, but I figured I’d ask to learn more how it works.

Thank you for considering!