Cannot install Xcode 10 Network Link Conditioner in macOS Mojave

I ended up manually copying the .prefPane file to: /Library/PreferencePanes After restarting Settings.app, it finally appeared on the list and worked perfectly. As Martijn Scheffer stated in this comment, the reason for the pane not appearing in System Preferences is that the installer incorrectly puts the file to ~/Library/PreferencePanes instead of /Library/PreferencePanes. Download in https://developer.apple.com/download/more/ … Read more