There are many other new features and improvements in Bifrost 2.14.0.0.

Aside from the new Modular Rigging Framework, some of the other highlights in Bifrost 2.14.0.0 are:
- Improvements for liquid and foam simulations.
- Batch execution for easier generation of cache files.
- Editing Bifrost parameters in Maya's Attribute Editor.
- Converting Bifrost strands to Maya curves.
- Creating UVs from projection planes.
See the Bifrost Release Notes for a complete list of features and bug fixes included in this version.
Remember that you can always download the latest version of Bifrost by visiting the Autodesk Accounts Portal.