XF 2.3 User @mentions limit

Wildcat Media

Well-known member
We have the ability to set the maximum number of users who can be mentioned in a post. I would like to let members use this to mention a lot more members in a post, but don't want to create any major issues by doing so.

❓ What exactly in the forum or on the server is stressed if the number of username mentions is set too high?

As I see it, sending the notifications might not be an issue since a watched thread can generate a hundred or more notifications each time a new post is made. (This particular forum is very busy and active.)

Where I see an issue is when the post is submitted, as XF has to look up each "@Username" text string to see if there is a matching username, so it can hotlink the username as [user="7779311"]user_name[/user] for each match within the post.

Beyond that, unless I'm missing something, I can't see anything else that might cause an issue.

This is by way of the usergroup permission setting:

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