July 2025 performance summary for Genesis-Embodied-AI/Genesis focused on extending simulation fidelity and scalability. Delivered Mounted Cameras Support for Parallel Simulations by updating Camera.attach to accept an environment index and to associate cameras with specific parallel environments. This enables mounted cameras to render in parallel simulations, accelerating multi-environment experiments and improving resource utilization. Added automated validation with test_batched_mounted_camera_rendering to ensure correct batched rendering across parallel environments. Commit reference for the change: 9e1980d30733f53366ba9d3a2f306bfac8b6f33d. No major bugs fixed in this period; the primary emphasis was feature delivery and test coverage growth. Business value and impact: This feature lays critical groundwork for scalable, parallelized simulations, reducing setup time for experiments, increasing throughput, and improving realism in multi-environment scenarios. Technical achievements include code changes to the Camera.attach API, environment-indexed mapping for cameras, and automated testing to validate batched rendering across environments. Technologies demonstrated: Python-based implementation, API evolution, test-driven development, and parallel execution patterns.