Google DeepMind ships MuJoCo 4.0, first major robotics engine upgrade since 2023
lukas_m_ziegler · x · 2026-11-10
Google DeepMind released MuJoCo 4.0, the first major version jump of the world's most widely used robotics physics engine since 2023. Key updates: speculative contacts prevent tunneling without sub-stepping; a new implicit integrator enables stable deformable-body simulation (cables, shells, solids) at 5–10x larger timesteps; MuJoCo Studio streams simulation to browsers with hot-reloading and a Filament PBR renderer; the Menagerie model library grew from 20 to 70 robot models.
Related event: DeepMind Releases MuJoCo 4.0 with Major Performance Gains(2 posts)→
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