How to Use the Redesigned Reminders App in macOS Catalina
Apple’s Reminders app for the Mac has been completely revamped for macOS Catalina with a new user interface and several new features. One of my favorite features is the new Messages integration. You can tag someone in a reminder, so that the next time you’re chatting with the person in Messages, you’ll be reminded that, for instance, now might be a good time to talk.