bbPress.org

I just had a quick look and I’d say the following thread has some tips and suggestions.

https://wordpress.org/ideas/topic/default-links-to-open-in-new-window-ie-target-_blank

I am also of the belief that target=_blank is not a good thing at all, I’ll happily call out people using it and not return to their site because they use it, and I know I am far from the only person with this opinion.