Reactions. Press and hold Like on any post to react with Fire, Congrats, Haha, Strong or Trophy, or tap + to choose from about 600 animated emoji. Each post shows its top reactions and who reacted. A quick tap is still a like.

GIFs. Add a GIF from GIPHY to a comment, a thread on a mark or a message. The GIF button opens on your recent GIFs and what's trending, and you can search GIPHY too. Only GIFs rated G are offered.

A new app icon that fills its whole shape.

Also: many smaller fixes.