If an app you rely on isn’t supported in Catalina, you’ve got a few choices: What to do if your app doesn’t work in Catalina We have further information for those who would like to read more aboutĪpple’s ‘Not Optimized for your Mac’ warning. If a 64-bit app is from an ‘Identified Developer’, ‘Mac App Store’ or ‘Apple’ then there should be no issues, but if it says ‘Unknown’ you may experience problems with it in the future.
![apple mainstage app apple mainstage app](https://9to5mac.com/wp-content/uploads/sites/6/2015/08/logic-pro-x.png)
Also note whether the app is ‘Obtained from’ in that column.
![apple mainstage app apple mainstage app](https://i.stack.imgur.com/rauGC.png)
You could sort by that column to make it easier to see at a glance the apps that aren’t going to be supported by macOS Catalina when it launches in September 2019.
#Apple mainstage app how to#
How to open apps that won’t run in Mojave. Find out how we were able to get Photoshop running again here: Luckily we were able to solve the issue in Mojave, but we aren’t expecting the same fix to work in Catalina. After we updated to Mojave in 2018 we experienced problems running