Can Katalon aware the changes of object locators?

Katalon can detect by using Self-Healing plugin. This plugin recovers the broken default locator by trying other available XPath alternatives. Leveraging the idea of Auto-healing smart XPath, Katalon Studio launches a Self-healing mechanism that is more advanced and comprehensive to tackle the issue of broken locator during execution

Please refer to this guide for more details https://docs.katalon.com/katalon-studio/docs/self-healing.html#self-healing-mechanism