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# What's new in version 3.1.1

Summary of changes in Tutorial Framework package version 3.1.1.

The main updates in this release include:

### Changed
- The underlying architecture of the tool has changed, and many fixes have been implemented. 

For a full list of changes and updates in this version, see the [Changelog].

[Changelog]: https://docs.unity3d.com/Packages/com.unity.learn.iet-framework@latest?subfolder=/changelog/CHANGELOG.html