For a company that essentially has infinite money, it's surprising that Facebook didn't adopted GIF support earlier. Sure, you could use a wonky workaround by publishing a GIF-to-Video on Instagram and sharing it with Facebook, but quite frankly, that was a pain and typically not worth it.
Messenger will return the Facebook mobile app thanks to Meta.
Now you can get happy birthday messages on your actual birthday instead of some random day.
Facebook has to implement new rules for Facebook Live because people are literally the worst. Now, if you break the rules you'll receive a ban.