Why macOS Catalina is breaking so many apps, and what to do about it - The Verge

Why macOS Catalina is breaking so many apps, and what to do about it - The Verge: Apple’s latest Mac update, macOS Catalina, was released earlier this week, and with it came a flurry of complications both minor and major. Here’s how to maneuver these important questions: what’s wrong with Catalina, should you upgrade, and why you might want to hold off.