[@robin-w Moderator 12 years, 5 months ago]

You would need to cut some code, but basically you would be looking at

using some code from the widget to find the latest topic

then maybe using the shotcodes

[bbp-single-topic id=$topic_id] – Display a single topic. eg. [bbp-single-topic id=4096]

and if it has a reply

[bbp-single-reply id=$reply_id] – Display a single reply eg. [bbp-single-reply id=32768]

using the do-shortcode function https://codex.wordpress.org/Function_Reference/do_shortcode

If you do this, please post the result here for the benefit of others !