I recently discovered your "Mentions" feature in WinForms and am looking to produce a WebForms version of this. I did get close to creating this functionality; very close, actually. Building it within the RadEditor has proven to be problematic, as the HTML created by the Editor tended to wreak havoc on my code. It was pretty granular, in that I used character counts to track and locate "tagged"/"mentioned" users.
Is there a WebForms version of this coming soon? If not, can you offer some guidance on how to overcome some issues the Editor creates?