Apart from this, it also comes with some new language support features. Firefox users are also given the option to change the language of the browser if it does not match the system language when opened after a fresh installation. Developers have also added additional languages for the Firefox spell-checking feature. With the release of version 100, Mozilla has also made some improvements to the interface. An option has been added that allows users to choose their preferred color scheme for websites. Some changes are believed to have been made to improve the performance of the volume slider on Twitch. This Firefox update brings some security enhancements along with general performance improvements.