mozilla firefox app stops process com.android.systemui

If you don’t like new Proton UI in Firefox and want to get rid of it and bring back classic UI in Firefox 91 and later versions, this tutorial will help you. Mozilla team has removed their functionality from Firefox code. Even if we manually create previous flags in about:config tool, they no longer work. Mozilla team will also remove this preference in future versions of Firefox. It just makes the titlebar or tab bar colorized. It now no longer restores classic UI in Firefox. Only the main “ ” preference is available to modify which has also become almost useless. Restore Old Classic Theme and UI in Firefox 89 and Later Versionsīut with the release of Firefox 91 version, Mozilla team has deleted almost all preferences/flags to restore classic UI in Firefox. We posted about the method in following article: Advanced users could use those flags to re-enable old UI and look in Firefox.

Initially Mozilla team provided a few hidden preferences/flags to disable new Proton UI and restore previous look-n-feel in Firefox. Many Firefox users didn’t like the new UI changes specially the floating tabs feature ( More Info). Mozilla team increased vertical spacing or padding in all menus to make them touch-friendly.įollowing screenshot shows new Proton UI present in Firefox 89 and later versions:

The menus, context menus, etc were also redesigned to look clean and refreshing. Also the titlebar or tab bar became light grey and doesn’t follow the colorization functionality of the operating system (such as Windows 10). The new Proton theme features round floating tabs which are not connected with the toolbar. When Mozilla team released Firefox 89 version, it came with a brand new Proton design UI or User Interface ( Review). If you upgraded to new version of Mozilla Firefox web browser such as version 91.0 or later, you might have immediately noticed that old methods or workarounds (about:config) to restore classic theme and UI in Firefox no longer work. This article contains a new working method to disable new Proton UI and restore old classic theme and UI in Firefox 91 and later versions.

Mozilla firefox app stops process com.android.systemui