Outlook is the troll pick on this list.
Everything about it verifiably worse than the separate apps Apple ships with macOS, from data storage to integration.
That said, MacOS 10.6 was the pinnacle of Calendar, and it's been on the way down since...
Everything about it verifiably worse than the separate apps Apple ships with macOS, from data storage to integration.
That said, MacOS 10.6 was the pinnacle of Calendar, and it's been on the way down since...
10.4 Tiger
They started to ruin the iCal user interface in 10.5 Leopard.
In general, 2006 was peak Mac. When it was Apple main product, before iPhone.
What does interest me is that pre-Lion software is well understood. The behaviors and expectations and commands are re-implementable. Isn't it time someone just made SwiftUI-Tiger or somesuch?
Mac Mail is probably the worst application I've used on Mac (+ the one on the iOS is not far behind). Search is atrocious - like unusably so, it constantly has syncing issues (even with iCloud) when trying to get new mail, it's incredibly slow, and I don't care for the design.