Shows a list of similar threads when a user is creating or viewing a thread. The Similar threads add-on will do the following: Show a list of similar threads when a user is creating a new thread. Show a list of similar threads when a user is viewing a thread. Features: Forum view permissions honored. If a member doesn't have permission to view certain forums, similar threads will not be shown from those forums. | Supports Enhanced search. | All phrases start with similarthreads_ for your convenience.