It is built into macOS now, if you start using your camera, you can click the camera-icon in the top bar for more spectacular options. Link to the support page: https://support.apple.com/en-us/105117

> Reactions fill your video frame with a 3D effect expressing how you feel. Hearts, balloons, confetti, fireworks..

Great, just what I needed built into my OS.

How else can apple market that using a mac is a _different experience_™.

Wow that is where that garbage comes from? So damn embarrassing...

... and here I wonder why video chats make my CPU usage go brrrrrr. Fuck hell no, I'd like to have an opt-out after an OS update that disables everything that can negatively impact performance.