Let’s try them out.
First, we installed LibreOffice 5.3 on Ubuntu using a snap and start the new version of LibreOffice Writer.
By default, the new MUFFIN toolbar is not available because it is currently an experimental feature. We need to enable the support for experimental features.
Click on the menu Tools→Options or press Alt+F12. You get the following,
In LibreOffice→Advanced, we enable the Enable experimental features (may be unstable) and click OK.
We are asked to restart LibreOffice and we click on Restart Now.
After the restart, there are a few new submenus in the View menu. Specifically, there is a Toolbar Layout submenu which a few options. The Notebookbar is the one that resembles the Ribbon in MSOffice. We select it.
The default Notebookbar is the one in the Tabbed style. There are two more styles as shown below.
The following is Contextual groups:
And this one is Contextual single: