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Mozilla and Cloudflare are collaborating with other browsers on a new initiative to combat bot abuse while preserving user privacy, proposing a rate-limiting approach with anonymous vouching instead of invasive verification methods like CAPTCHAs or Web Environment Integrity.
Mozilla's for-profit subsidiary MZLA Technologies launched Thunderbolt AI, an open-source, self-hosted AI client that runs entirely on user infrastructure, supports any model, and ensures data privacy by keeping data inside the organization's own systems.
Firefox is rolling out new home page widgets including a focus timer and checklist, which the author finds helpful for staying productive.
Mozilla released the MDN MCP server, enabling AI agents and IDEs to access up-to-date MDN documentation and browser compatibility data via the Model Context Protocol, reducing reliance on outdated training data.
After over 15 years, the author announces their departure from Mozilla, offering reflections on their experience and urging colleagues to value themselves, help each other, and remember the community they serve.
Mozilla Firefox has merged initial support for Vulkan Video decoding, enabling GPU-accelerated video playback across platforms, expected in Firefox 153 in July.
Mozilla announces Project Nova, a redesign of Firefox focusing on privacy, speed, and a cleaner, warmer design, with updates to tabs, settings, and compact mode.
Mozilla announces Project Nova, a major visual overhaul of Firefox with rounded UI, improved privacy controls including a toggle to disable all AI features, and new customization options. The redesign will roll out later this year.
Mozilla's SpiderMonkey engine disables asm.js optimizations by default, marking the end of the technology that paved the way for WebAssembly. Users are encouraged to recompile to WebAssembly for better performance.
Mozilla urges UK regulators not to age-restrict VPNs, arguing they are essential privacy and security tools for all ages, and that policymakers should instead address root causes of online harm through platform accountability and digital literacy.
本文回顾了1998年Netscape将其浏览器代码开源的历史时刻，并介绍了纪录片《Project Code Rush》如何记录这一过程。该事件加速了软件开发的步伐，并对后来的开源运动产生了深远影响。
Mozilla reports a significant increase in security fixes for Firefox in April after utilizing Claude Mythos to assist in bug hunting and hardening the browser.
Mozilla used the Claude Mythos preview to systematically find and fix hundreds of security vulnerabilities in Firefox, dramatically increasing their bug-fix rate from around 20-30 per month to 423 in April 2026.
Mozilla details how they used Claude Mythos Preview and other AI models to identify and fix a significant number of latent security bugs in Firefox, demonstrating a shift in the efficacy of AI for code hardening.