Explore how Firefox, Chromium and Safari work, comparing browser engines, JavaScript engines, performance, privacy, compatibility and key features.

You can create a release to package software, along with release notes and links to binary files, for other people to use. Learn more about releases in our docs.

The arrival of capable AI coding agents—Claude Code being the prime example—represents a fundamental shift in how we build software. Plug-in frameworks designed in the pre-agentic era carry ...