In July 2025, Kvaster enhanced navigation animation accuracy for the slackhq/circuit repository by implementing a full back stack-based animation model using Kotlin and Jetpack Compose. He refactored the animation transition logic to derive state directly from the backStack property, replacing previous depth-based heuristics. This approach improved the reliability of navigation transitions, particularly in complex backstack scenarios, and reduced animation glitches that previously affected user perception. By simplifying the AnimatedNavState and focusing on robust state management, Kvaster laid the groundwork for future support of advanced transitions and analytics, demonstrating a thoughtful and maintainable approach to Android development and animation.