User blog comment:MisterWoodhouse/The first migrations to the Unified Community Platform/@comment-39028844-20200527105018

"Additionally, we are looking at trends in wikitext use from legacy products like Forums, old Message Wall, and old Article Comments to see if there is a better way forward for advanced formatting. We’ll have more info on that in the coming months."

forums, message walls, and comments have a source mode. why not discussions? it would alow wiki text.