While you can still give non-notarised apps access to your system, this is no longer an option shown on the dialogs - you need to know to dig into the system preferences to give an app permission. New security procedures mean that you will be asked to ‘re-authorise’ access to files, and applications distributed outside of the Mac Store will need to be ‘notarised’ by Apple to run out of the box. There are sync issues to the cloud (especially in the Reminders app), problems with signing back into iCloud, BlueTooth issues requiring you to delete and reconnect peripherals, and applications that need tweaked to run in the new environment. More details can be found at Apple’s support page.įor many, MacOS Catalina 10.15 is a buggy release and has caused a number of issues. You should be prompted to upgrade your computer to Catalina, but if you are looking to start the install, you can go to the Apple Menu > Software Update. MacBook: Early 2015 models and onwards.MacBook Air: Mid 2012 models and onwards.
