# Reference & Support

The Reference & Support section contains essential documentation for ongoing ML-Agents development.


| **Resource**                               | **Description**                                              |
|--------------------------------------------|--------------------------------------------------------------|
| [FAQ](FAQ.md)                              | Frequently asked questions and common issues with solutions. |
| [Limitations](Limitations.md)              | Known limitations and constraints of the ML-Agents Toolkit.  |
| [Migrating](Migrating.md)                  | Migration guides for updating between ML-Agents versions.    |
| [Versioning](Versioning.md)                | Information about ML-Agents versioning and release notes.    |
| [ML-Agents Glossary](Glossary.md)          | Glossary of terms and concepts used in ML-Agents.            |
| [Contribution guidelines](CONTRIBUTING.md) | How to Contribute to ML-Agents.                              |