bbPress.org

No.

There is a plugin to allow users to post images:

https://bbpress.org/plugins/topic/allow-images/

There is also a plugin called “Admin can post anything”:

https://bbpress.org/plugins/topic/admin-can-post-anything/

You can also browse around there to see if there are some I have forgotten about. I thought Trent posted a while back about a plugin that allowed users to include all sorts of things, but I don’t know the status of that. I think that was for keymasters and admins only, as well:

https://bbpress.org/forums/topic/plugin-youtube-in-bbpress