ℹ I'll appreciate the help if you report bugs, if you use beta version of the browser.

Notes

• The file components/one_tricks.css always will be the file to your personal changes into the theme.
• The theme size is large due to all the images in the newtab folder (17 MB).

New

• Added a new entry in user.js file, this preference browser.tabs.allow_transparent_browser allow the image, of themes and when using 'Main-image' configuration, to be displayed behind all elements.
• Added icons in many context menus.
• Horizontal tabs width now reach smaller size, you can use the variable (line 54) in one_root-personal.css file to change that if you prefer a smaller or bigger size.

Changed

• Various changes for 'tree-tabs' extension CSS, so you should update them if you use them.
• Sound icons were updated, and now it always displays in the favicon's corner, in all scenarios.
• 2 specific wallpapers were added to use in 'about:' pages, you can replace them like always.
• Various bug fixes for Firefox v.141.