User blog comment:MisterWoodhouse/Unified Community Platform: The Vision, Purpose, and Process/@comment-44014691-20200326014426/@comment-44807868-20200328045438

Article comments feature is planned to return with a new replacement at some point. :)

"[...] Article Commenting is being refactored into a new installment. It is slated to be included in one of the next major feature releases."

- MisterWoodhouse