Firefox adds a sidebar with vertical tabs for bookmarks, history, and synced tabs. These are features introduced by ARC, Zen, and other modern browsers. Sidebar tabs are now the new normal.

Chrome v.131 includes some big updates to dev tools, including Gemini integration and more performance checks.

I recently switched from using Vivaldi to using Brave as my primary desktop browser. Brave seems faster than Vivaldi and Chrome. Here is a comparison from Mozilla.