One of my big gripes is that the App Launcher thing that appears by default in the Dock is really useless. I have not been able to figure out how to get it to sort the Apps by name! It seems to keep them in the order they were installed — most recent last. For years I have kept a minimized Finder window of the Applications directory in Dock so a click to get the window and another click and I’m off, maybe with a quick scroll before the second click. What I’d really like is an alphabetized list headed with a most-recently-used cache of the top 5 apps. Again, keep it parked in the “active”part of the Dock.
Another complaint is the the Notification mechanism has gotten far too helpful. Too many things behave as if I should care about them by default. Having to fiddle with Notifications on everything is really annoying. This is another example of a good idea improved to death. It’s like a teenage pool party that has gotten outa hand. And more knobs to adjust ain’t the answer.