Reading up on Firefox

The Cypherpunk Library offers a curated collection of public-domain readings on cryptography and privacy, free and available for browsing.

Google Chrome is fully removing Manifest V2 support in upcoming releases, finally ending the last loophole that allowed ad blockers like uBlock Origin to work.

Firefox 151 for Desktop adds Web Serial API support, enabling web apps to connect to serial hardware like microcontrollers and 3D printers.

Stacking CSS text-stroke layers with varying widths creates a multi-stroke text effect, though browser rendering differences (Firefox smoother than Chrome/Safari) and poor performance make it unsuitable for production.

Anthropic's Mythos model unearthed hundreds of high-severity Firefox bugs, including sandbox vulnerabilities that human researchers rarely found.

Mozilla details how agentic AI harnesses using Claude Mythos Preview found 271 real Firefox security bugs by dynamically creating reproducible test cases and dismissing false positives.

A developer scraped all 84,000+ Firefox extensions from AMO, installed them, and documented the resulting browser performance and technical challenges.

Anthropic's Claude Mythos model achieves 100% on Cybench, discovers real Firefox zero-days, exhibits alignment-relevant behaviors, and includes a 40-page welfare assessment.

A proposal to make WebAssembly a first-class language on the web using the Component Model for direct Web API access, eliminating JavaScript glue code.

Anthropic used Claude LLM to find 22 Firefox vulnerabilities, but exploits only worked in a test environment without sandbox, highlighting defense in depth.

The human.json protocol uses a JSON file and web of vouches between sites to let humans assert authorship and prove their content is not AI-generated.

LinkedIn scans browsers for over 2,900 Chrome extensions to detect and block scraping, automation, and data-harvesting tools used for spam.

A developer details their 2026 web browsing setup using Firefox on separated work and personal devices, with curated extensions, self-hosted RSS, and bookmarks for focused reading.

Mozilla CEO Enzor-DeMeo stated blocking adblockers in Firefox could bring in $150 million but said it feels off-mission, sparking backlash from users.

HN commenters largely criticize Mozilla's new CEO, his MBA background, and the company's pivot to AI, arguing it undermines Firefox's only remaining differentiator of trust.

Syncthing syncs files directly between devices without a server, and the author imagines a future where calendars, contacts, and email are just synced files.

The post describes a multi-layered approach to blocking all online ads using tools like uBlock Origin, DNS filters, and VPNs.