During April 2025, Citizen Li focused on enhancing compatibility and stability for Spine animations within the LayaAir engine. Working in the layabox/LayaAir repository, Citizen addressed a Spine 4.2 integration issue by exposing the spine-core object to the global window, ensuring that Spine animations could reliably run in JavaScript-based LayaAir projects. This targeted bug fix reduced integration friction and minimized potential runtime errors for developers using Spine with LayaAir. Leveraging skills in game development and JavaScript, Citizen’s work improved runtime reliability for Spine-enabled projects, demonstrating a focused approach to solving compatibility challenges within a complex animation and rendering environment.