Board Thread:General Discussion/@comment-45117243-20201028133546/@comment-45117243-20201028200948

Parkour2906 wrote: Similar how the template remains intact on the UCP message wall even after being converted, when forum posts were converted to discussions, templates from a forum post remained intact as well. This is intended, to preserve the old messages. Fandom migrated the existing HTML generated from the wikitext-based posts into the discussions/MW posts.

What I pointed out now is different - a template transclusion posted on a message wall after the migration being parsed and displayed.