urdf-forge (OlumideOsuntuyi)MCADConfidence: Medium
A real 4WD skid-steer, multi-file xacro with Fusion 360 meshes, lidar, RGB-D camera, IMU and contact sensor: kinematics round-tripped with zero differences, but the exported URDF had duplicate material elements that check_urdf and robot_state_publisher reject, and every sensor in the Gazebo blocks was dropped on import.
From the Grok pain-radar digests, Oct 28-29 2026 (Oct 28 8:41 AM ET through Oct 29 early-morning Haitch editions). Verified live 2026-10-29: issue/PR read; title and state confirmed.