Firefox 155 shows blocked trackers directly
Summary
Mozilla has released Firefox 155 with a new AI feature called Smart Window for users in the US, Canada, and France. The update also adds a tracker counter in the address bar, better tab group organization, and sortable container order. Mozilla warns that the browser can have loading issues in corporate networks that block UDP, and it provides a temporary admin workaround. The release includes fixes for Linux and macOS, plus changes for administrators and developers such as a new portal-detection domain, stricter mailto handling, and new testing tools in DevTools.
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