Firefox Nightly users can now summon Microsoft Copilot from the browser sidebar — an optional, opt‑in hook that exposes Copilot’s chat, voice and summarization capabilities inside Firefox while reopening a broader debate about privacy, platform boundaries, and the creeping normalization of...
Mozilla is changing how Private Browsing handles downloaded files: instead of silently removing certain files when a private window closes, Firefox Nightly is now prompting users and offering a new setting to keep or delete downloads, a behavior expected to land in Firefox 143 if the experiment...