I'm sorry for the early release of a not fully tested toolbar here. Many users had problems with the themes. Fully working version will be available in a couple of weeks.
Thank you for understanding.
This is the UI revolution of Rhino! Here are 8 themes to make your Rhino native and more familiar with your system's theme. More themes will be added and some may be removed in next releases. Let's select your favourite theme! You can find the download button at the bottom.