Sometimes going to a particular topic on the forum want to see which users have the same looks the same topic that you are. Similar questions in the forum did not see. Does it make sense to improve miniBB this module? Or is it rather an extra burden on the platform?

I have an add-on which displays any user's activity on forum. May be it works a bit otherwise to what you suggest; but anyway... you already know my answer. We could program anything if you sponsor it.

So far I don't see why it should be included in miniBB by default or for free, because it doesn't make obvious effect on forums quality.