Android XR SDK Developer Preview 3 enables building for AI Glasses and XR headsets with new libraries like Jetpack Compose Glimmer and Jetpack Projected. Android Studio Otter 2 Feature Drop adds Gemini 3 model support and Backup/Sync capabilities. Android 16 QPR2 introduces minor SDK releases with features like expanded dark theme, generational garbage collection, and widget engagement metrics. Jetpack Compose 1.10 delivers scroll performance improvements matching Views, with new retain API and Material 3 1.4 updates. Jetpack Navigation 3 reaches stable 1.0 with reactive state management and flexible customization. Performance optimization guidance includes R8 optimizer adoption, Profile Guided Optimizations, and a five-level performance journey framework. CameraX 1.5 adds slow-motion video, 10-bit HDR at 60 FPS, and RAW image capture. ML Kit's GenAI Prompt API enables custom on-device Gemini Nano experiences for privacy-focused AI features.