User blog comment:Brandon Rhea/Why Fandom Evolves: A Look Ahead in 2017/@comment-28083312-20170111211704/@comment-5558012-20170113000626

Discussions is also a wiki feature so it really should be able to support the needs and the conventions of the wiki. If you can use wikitext in article editing, I'd expect it to be possible during comment editing too, regardless of Staff's decision to build Discussions outside MediaWiki.