You can access the Object Spy Preferences at Katalon Studio > Preferences > Katalon > Object Spy.
Pin Object Spy Window
You can check the Pin Object Spy Window while spying option to make the Object Spy window always stay on top while spying.
Katalon Studio supports customizable hotkeys for the Object Spy function. You can choose the preferred combination to capture objects or avoid conflict with your application under test hotkeys. The default hotkey for capturing objects is ⌥+`.
Changing Object Spy hotkeys currently only affects Chrome and Firefox browsers. Other browsers will be considered for future releases.