Ankit Thakur Staff asked 3 months ago
Highlighted comment on youtube means that your comment which you have posted on a video is liked or given a heart by the creator of that video or the comment you have posted is pinned by the YouTuber.
TO know more about highlighted comments visit: https://youtubemini.com/my-comment-got-highlighted-as-highlighted-comment-by-the-uploader-on-youtube-what-does-that-mean/