It identifies things visually, and optionally with OCR as well. If it moves likely no issue. Changing shape or size too much, as well as not matching OCR can cause failures - as expected. If it is an expected update and the test needs updating, we smartly suggest updates to the target if we can find one. Alternatively we have a crowd-based service to help write abs maintain your tests; it’s usually used by teams needing high leverage when managing a lot of tests.