YouTube announced today that they are rolling out voice replies. I have seen some creators using reactions with voice replies, but currently, my channels don’t have it yet. See the link to the article here: https://support.google.com/youtube/answer/6000964 On desktop, you see the voice recording transcribed, but on mobile, it is a playable audio file. You can see example here of a Dutch creator Gio, currently he replied to a pinned comment on this video: https://youtu.be/GFVQxciRsKo?si=QX9PIKYYZMoQUcZX