October 2025 monthly summary: Focused on cross-repo build reliability, API/docs modernization, and CI/maintenance improvements to enable faster, safer development and onboarding across Momentum and related pipelines.

September 2025 monthly summary for facebookresearch/momentum. Focused on stabilizing cross-platform builds, clarifying APIs, and strengthening documentation and CI. Delivered foundational build-system and open-source readiness improvements, enabling broader adoption and easier contributions, while also tightening test stability and API correctness.

Concise monthly summary for 2025-08: Delivered significant improvements in asset interoperability, reliability, and maintainability for facebookresearch/momentum. Key features include initial USD I/O support integrated with character loading and a USD viewer example, and CI/CD automation enhancements that streamline automated updates and deployments. Security patches were applied to Mermaid/Node.js, and multiple code quality, build system, and documentation updates were completed to improve stability and compliance. These efforts translate to faster asset pipelines, more robust deployments, and a cleaner, extensible codebase.

July 2025 monthly summary for facebookresearch/momentum focusing on reliability, cross-platform compatibility, and packaging improvements. Highlights include stabilizing numerical solver tests, introducing a new solver2 module with build and Windows compatibility, and tightening IO robustness and documentation.

June 2025 momentum: Delivered a sweeping enhancement to testing, quality, and stability for the project. Key test coverage expanded across pose shape, character modules/state/utilities, parameter handling, locator/state, linear skinning, collision geometry, skin weights, skeleton utilities, Gauss-Newton solvers, and IO paths, including pose shape IO and MMO IO. Achieved Pyre static typing compliance and modernized code with std::array adoption, [[nodiscard]] corrections, and code-style upgrades. Strengthened CI/CD and repo hygiene with Ubuntu dev-builds disabled, removal of Intel Mac CI jobs, and mac test target fixes, along with a website security fix. Addressed a range of bug fixes to improve reliability and determinism, including fixes for EXPECT_DEATH on GitHub, trailing semicolon, parameter naming mismatches, unused parameter, QR nullability issues, and deterministic seeds for error-function tests. Improved documentation and maintenance, including Doxygen main page updates and namespace consistency changes (marker_tracking renamed to momentum).

May 2025 performance summary focused on delivering tangible features, stabilizing CI/builds, and expanding test coverage to boost reliability and security. Key outcomes include ONNX model optimization packaging, packaging/build optimizations for pymeshlab, CUDA CI/build stability improvements, Dr.Jit API compatibility updates, and a new blend-shapes baking feature with accompanying tests, complemented by a comprehensive unit test suite for momentum. These efforts produced faster, more reliable installations, a cleaner asset export workflow, improved security posture, and a stronger, well-tested codebase.

April 2025 highlights across momentum and conda-forge ecosystems focused on delivering precise geometry features, robust build/integration, streamlined IO pipelines, and packaging improvements that enable faster delivery and lower maintenance costs. The work emphasizes business value through improved rendering/interaction accuracy, reduced build failures, and easier downstream packaging and distribution.

March 2025 performance summary: Delivered cross-repo platform and feature improvements with tangible business value across two key repositories. In conda-forge/admin-requests, added multi-output feedstock support (sphericart-torch, sphericart-jax) and established an archival workflow for feedstocks, enabling more flexible deployment options and lifecycle management. In facebookresearch/momentum, fixed a macOS x86 segfault in marker_tracking.process_markers, upgraded to PyTorch 2.6.0 with Windows CI and packaging improvements, modernized the codebase (MSVC warnings, std::byte usage), and added a licensing header to ensure compliance. These changes collectively improve stability, portability, and maintainability, while accelerating feature delivery and reducing operational risk.

February 2025: Delivered core robotics integration with URDF tooling, enhanced observability via profiling, performance improvements, and strengthened build/security/compliance. Also introduced 3D capsule support and refreshed documentation, improving developer onboarding and external usage. These changes enable tighter robotics workflows, faster iteration, and more secure, maintainable code.

January 2025 monthly summary for facebookresearch/momentum: Focused on boosting performance observability and stabilizing CI. Key outcomes include profiling instrumentation across GaussNewtonQR, function-level profiling via MT_PROFILE_FUNCTION, and standardized profiler event names; plus macOS CI/build stability fixes through dependency upgrades and a Dr.Jit compatibility workaround. These efforts enable faster performance tuning, more reliable builds, and clearer diagnostic data, driving faster iteration and higher software quality.

December 2024 performance summary for the facebookresearch/momentum repository. The sprint delivered stability in CUDA/Pixi environments, introduced marker_tracking as a Python-facing module with new build targets, restructured and simplified test utilities, relocated a motion-processing component for consistency, and modernized the Python build system to a CMake-friendly workflow. Collectively, these changes broaden hardware compatibility, improve testing reliability, enhance motion data quality, and reduce maintenance burden for future contributions.

November 2024 monthly summary for facebookresearch/momentum: Delivered key features to broaden compatibility and robustness across the GPU compute stack, improved CI/build reliability, and strengthened security posture. Major outcomes include broader SDK compatibility, more reliable builds and tests, updated GPU runtime environment, and proactive dependency/security cleanup, translating into lower risk, faster release cycles, and improved developer productivity.

October 2024 monthly summary for facebookresearch/momentum focused on delivering cross-platform FBX support and codebase hygiene, with clear business value through build reliability and developer productivity. The scope covered Windows FBX SDK integration, macOS ARM compatibility upgrades, multi-version SDK support, and generated headers formatting cleanup, along with updated documentation to guide installation and usage. No customer-facing features introduced this month; improvements predominantly reduced build friction and enhanced CI reliability.