Firefox's new 'Smart Window' mode is taking shape in development builds, so I had a play around in a beta build.
It revamped the browser UI to a prompt-based browsing experience, powered by your choice of LLM – OpenAI, Alibaba or Google – with your tabs, searches, questions and entire browsing history all handled on each company's servers...
https://www.omgubuntu.co.uk/2026/03/firefox-smart-window-hands-on?v1
