@razibal I've changed how this works on the develop branch, instead of checking the online status it will check if the user has already read the chat, this should cause an email to be sent to all users who haven't seen the chat message.
In version NODEBB 18.6 (latest) a feature has been added that hovers over an internal link within the forum
A panel with the contents of the post is displayed
The problem is that if you put a link to another NODEBB site, it looks for the post number in the current forum, and displays incorrect content.
example (Hover over the link to see):
Hovering over the link, he tries to display: