mGear 5.1 Improves Shapes Compatibility and Modular Rigging in Maya

Published on January 07, 2026 | Translated from Spanish
mGear 5.1 interface in Maya showing the RBF Manager, modular rigging components, and integration with Brave Rabbit's Shapes blendshape editor.

When Open Source Rigging Finds Harmony

The mGear team has released version 5.1 of its rigging framework for Maya, addressing one of the most frustrating issues for rigging artists: tool conflicts. 🛠️✨ The update focuses on resolving incompatibilities with Shapes—the popular blendshape editor from Brave Rabbit—while introducing improvements to key components like Shifter and ueGear. This release demonstrates the continued commitment to the open source community while maintaining stability for professional studios.

Resolving Conflicts with Shapes

The most significant change in mGear 5.1 is the reconciliation with Shapes through the RBF Manager. 🤝 Users can now choose between using mGear's internal weightDriver version or an external one, avoiding the conflicts that arose since Shapes 5.10 required weightDriver 4.0 exclusively. This flexibility allows artists to continue using both tools simultaneously without crashes or unpredictable behavior, preserving established workflows.

The resolution of conflicts between mGear and Shapes exemplifies how collaboration in the open source community benefits everyone—developers avoid fragmentation and artists gain stability without sacrificing functionality.

Improvements to Key Components

Shifter receives major upgrades to handle limbs with arbitrary lengths more effectively. 🦵 The FK/IK systems now automatically adapt to variable proportions, reducing manual adjustments and making the setup of non-human or stylized characters more intuitive. ueGear—the bridge to Unreal Engine—is updated to maintain compatibility with the latest engine versions, facilitating the transition of animated assets to real-time.

Advantages of the Modular Framework

Impact on Production Pipelines

mGear 5.1 stabilizes pipelines that rely on both mGear and Shapes, popular tools in VFX and video game industries. 🎮 The ability to use advanced blendshapes with modular rigs accelerates the creation of expressive facial animations and complex deformations. For studios with limited resources, mGear's free and open source nature provides professional rigging capabilities without license costs.

Future of Open Source Rigging

This release solidifies mGear as a viable alternative to commercial solutions like Advanced Skeleton or auto-rigging tools. 🚀 The continued evolution of the framework—now with better compatibility and expanded features—suggests a bright future for accessible, community-driven rigging tools in Maya and beyond.

Thus, as rigs become more complex, the tools become more harmonious… allowing artists to focus on creativity rather than resolving technical conflicts. Because in mGear 5.1, the only thing that should be in conflict is your character's personality, not your software. 😉