Key enhancements include the following: - Add new bike models to the repository and a new human-scaled model template for easier model creation. - Implementation of an optimisation feature for seat position, applicable to any model and bike configuration. - Upgraded folder paths for improved organisation and clarity. - Introduction of functions for creating plots and several plot templates for better visualisation. - Development of a graphical user interface (GUI) for setting up simulation configurations and running multiple simulations, enhancing accessibility for users who may not be familiar with Python.