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Firefox 的 2026 年第三季度安全与隐私通讯，涵盖更快的发布周期、TLS 配置透明度警告、Mozilla Root Store Policy v3.1、mailto 链接防骚扰以及扩展本地文件访问权限限制等安全与隐私改进。
Tor Browser 16.0 is released for Desktop and Android, based on Firefox ESR 153, featuring a redesigned Settings experience, a new generic window titles option to prevent snooping, and an audit of over 270 Firefox changes affecting privacy and security.
Opera has proposed a new standard enabling websites and browser extensions to run and leverage local AI models, aiming to standardize on-device AI capabilities across the web ecosystem.
Kaze has been updated to 0.25.1. The headline change is that it now runs on a custom-compiled Electron, patching directly at the Chromium C++ layer to bypass strict bot-detection on sites. It also adds agent site-skill learning, small background tasks, one-click integration with Claude Code/Codex, and performance improvements — session restore for 300 tabs dropped from 2 seconds to 12 milliseconds.
Opera launches WebAI, a feature that lets websites run AI models locally on the user's computer through the browser.
Mozilla is updating Firefox's AI-powered Smart Window with AI form filling that draws on open tabs, plus a feature that monitors webpages for changes like sales or job listings. Data from source pages is sent to Google's Gemini 3.1 Flash Lite to generate suggestions, and both features are rolling out to the beta in the US and Canada.
tabsh is a new product that lets users work with AI agents through an IDE running directly in the browser tab.
A free in-browser TTS tool that runs entirely on-device using a 2.7 MB model on a custom 136 kB WebAssembly engine, making Kokoro-distilled Paradee 12.9x faster while maintaining quality. The author breaks down each optimization step and lets users benchmark it live in their browser.
The Arc browser is being officially discontinued and will be sunset on December 22, 2026, marking the end of a prominent AI-era browser experiment.
The Browser Company will fully sunset its Arc browser on December 22nd, disabling accounts and features in stages as it shifts focus to its AI-focused Dia browser, following Atlassian's $610 million acquisition last year.
The Browser Company announced it will sunset Arc browser on December 22, 2026, redirecting its engineering and security focus to its newer AI-native browser Dia, with an easy migration path for users' data and features.
Handwired 是一个可以把普通 JavaScript 代码（如 DOM 渲染的迷你桌面应用）直接转化为神经网络的工具，可对界面交互进行训练和优化。
介绍了在浏览器中运行的交互式线性规划工具，让用户可以直接在网页环境里构建、求解并可视化线性规划问题。
Handwired 是一个趣味项目，可将普通 JavaScript 代码转换为神经网络，无需训练即可获得与原程序完全一致的输出，并且完全可微，全部在浏览器中运行，无需 GPU。
Mozilla 推出 Firefox Enterprise，为企业和政府机构提供基于独立 Gecko 引擎的浏览器及可自托管的管理控制台，帮助机构加强对浏览器策略、数据流动和 AI 使用的控制，减少对少数技术供应商的依赖。
Apple 推出营销页面，宣传用户从 Chrome 切换到 Safari，强调 Safari 在速度、电池续航和隐私保护方面优于 Chrome，并支持跨设备同步、密码管理和扩展功能。
一位开发者用 Rust 从零编写了自定义 3D 物理引擎和 WebGL2 渲染器，通过 WebAssembly 在浏览器中运行，不依赖任何外部数学或物理库，约 1200 行代码，.wasm 二进制小于 100KB 且运行在 120 FPS。
作者在博客中演示了如何完全在浏览器端运行 RAG：用静态嵌入检索段落，再通过 transformers.js 在 WebGPU/WASM 上运行小型模型（如 Qwen3-0.6B、SmolLM2-360M）生成两句话摘要，全程数据不出本地。文章还评估了这些小模型的忠实度局限。
Apple 发起新的「Switch to Safari」宣传战役，通过新官网页面和两支 YouTube 视频强调 Safari 在电池续航、隐私保护和性能上优于 Chrome。
Crest 是一款受 Arc 启发的开源浏览器，支持 Mac、iPad 和 iPhone，提供 Spaces、侧边栏、Split View、Peek 等功能，并可从 Arc、Zen、Chrome、Safari 等浏览器导入数据，目前处于早期访问阶段。