About every year the chat system (whatever you want to call it) and the voice system (the one that makes phone calls) is going away or being decommissioned or m

About every year the chat system (whatever you want to call it) and the voice system (the one that makes phone calls) is going away or being decommissioned or merged or something, and yet in about 8 years of usage I can't tell you what's actually changed. Some new features, the icon, what it's next to? If they were actually going away I'm not sure how they could communicate that to me in a way I would believe at this point.