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A package contains lot of components. My product launches the main application of the package at the end of installation of the package through postinstall script. Such an application is expected to run in the context of logged in Console user.But the installer runs the postinstall script in root privilege with uid value 0. Therefore to launch the application in Console user context, the following command has been used so far:sudo su - $CONSOLE_USER -c open $MAIN_APP_OF_PKGWhere CONSOLE_USER and MAIN_APP_OF_PKG are computed which is not in this scope.The above way has been working so far good in Mac systems.In the new macOS Catalina Version 10.15.4 Beta (19E234g), this “sudo” and “su” fail with “Operation not permitted” when run from postinstall.When installing a test.pkg, this issue is observed in /var/log/install.log:——————2020-02-21 17:04:14+02 Testers-Mac-mini package_script_service[4256]: ./postinstall: sudo su - tester -c open "/Applications/HelloWorld.app"2020-02-21 17:04:14+02 Testers-Mac-mini package_script_service[4256]: ./postinstall: /tmp/PKInstallSandbox.LnPlJo/Scripts/com.senthil.HelloWorld.AmxxUq/post-install: line 4: /usr/bin/sudo: Operation not permitted——————1) Will the upcoming macOS update have the same behaviour? Why?2) What is the alternate way to launch the installed app in console user context?