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Firefox is integrating Exa.ai’s retrieval engine into its Smart Window (desktop) and Quick Answers (iOS) features, delivering source‑backed answers with visible citations and a zero‑data‑retention policy. The move underscores Mozilla’s strategy of keeping the browser open while partnering for specialized AI capabilities.
Servo 0.5.0 (July 2026) ships 488 commits, adds Linux aarch64 binaries, a slew of CSS/DOM/WebGPU features, new SubtleCrypto curves, accessibility performance tweaks, security patches for quick‑xml and crossbeam‑epoch, and real‑world fixes for DuckDuckGo and Gumroad.
The post introduces two tools for navigating the call graph of web specifications: the CLI `webspec-index trace` command and the WebSpec Tracer Firefox extension. It demonstrates how detail flags give a high‑level shape of routes and how the extension lets you interactively build accurate markdown traces for debugging.
Firefox adds an AI Controls panel letting users toggle all current and future AI features, pick individual capabilities (translation, alt‑text, tab suggestions, link‑preview key points), and choose from multiple chatbot providers (Claude, ChatGPT, Gemini, Mistral) in a sidebar. The new Smart Window beta integrates an AI assistant that can read open tabs, browsing history, group related tabs, show…
