# MuJoCo 4.0: What Changed in DeepMind's Physics Engine and How to Try It

Source: [DEV Community: python](https://dev.to/sh20raj/mujoco-40-what-changed-in-deepminds-physics-engine-and-how-to-try-it-3f2n) · 2026-11-14 · Languages
Page: https://themorning.dev/story/mujoco-4-0-what-changed-in-deepmind-s-physics-engine-and-how-to-try-it-c983991676fd33d9
Kind: release · Impact: medium

## In brief

- MuJoCo 4.0 is reported as released, with changes to DeepMind's physics engine.
- The source is an introductory DEV Community article that covers what changed and how to try it.
- The excerpt provided does not list the specific changes or release date.

## Why it matters

MuJoCo is used to simulate contact dynamics for robot policies, so changes to its engine can affect simulation results and how policies behave when moved to the real world.

## Versions

- MuJoCo 4.0

## Coverage

- [MuJoCo 4.0: What Changed in DeepMind's Physics Engine and How to Try It](https://dev.to/sh20raj/mujoco-40-what-changed-in-deepminds-physics-engine-and-how-to-try-it-3f2n) — DEV Community: python, 2026-11-14

Tags: mujoco, physics-simulation, robotics, reinforcement-learning, open-source

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Brief generated by AI (claude-haiku-5-5) from the reporting listed under Coverage. Headlines belong to their publishers. The Morning Dev – https://themorning.dev