Board Thread:Support Requests - Getting Technical/@comment-36692626-20201018220849/@comment-1038387-20201018222111

You can set up AnnouncementIgnore but I don't think it's UCP ready. You can unfollow boards, threads and discussions; you shouldn't get notifications if you don't follow them. There is no way to get notifications for article or blig comments, both on Legacy and UCP.