Since its debut last year, SwiftData has become a focal framework that has garnered significant attention from developers. With the arrival of WWDC 2024, there is widespread anticipation for breakthroughs in functionality, performance, and stability in SwiftData. This article will review the performance of the latest version of SwiftData and share the complex emotions I experienced during my first encounter with the new version: shock, joy, disheartened, and perplexed.