Prepare Yourself for macOS Catalina Problem
Even with beta testing, there are going to be macOS Catalina problems that annoy and frustrate users. This is a fact of life, and this year it is even worse for Apple users who have seen multiple iOS updates pushed out to address problems.
While Apple didn't push out macOS Catalina at the same time as iOS, expect that there will still be some problems. We're looking into common errors and already see slow downloads and some app compatibility issues.
We may see bad MacBook battery life on macOS Catalina, connectivity issues and other problems as more users install Catalina. Here's how to fix bad MacBook Pro and Air Battery life.