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Getting Started

  • Getting Set Up To Work On The Firefox Codebase

Working On Firefox

  • Working on Firefox
  • Bug Handling

Firefox User Guide

  • Firefox DevTools User Docs

Source Code Documentation

  • Governance
  • Firefox Front-end
  • DOM
  • Editor
  • Layout & CSS
  • Graphics
  • Processes, Threads and IPC
  • Firefox DevTools Contributor Docs
  • Toolkit
  • SpiderMonkey
  • GeckoView
  • WebIDL
  • libpref
  • Networking
  • Remote Protocols
  • Services
    • Remote Settings
    • Sync
      • Introduction to Sync
      • The Sync engines in the tree
      • How Rust Engines are implemented
      • External Links
  • File Handling
  • Firefox on macOS
  • Firefox on Windows
  • Accessibility
  • Code quality
  • Writing Rust Code
  • Gecko Profiler
  • Performance
  • XPCOM
  • NSPR
  • Network Security Services (NSS)

The Firefox Build System

  • Mach
  • Pushing to Try
  • Build System
  • Firefox CI and Taskgraph
  • Managing Documentation

Testing & Test Infrastructure

  • Automated Testing
  • Turning on Firefox tests for a new configuration
  • Avoiding intermittent tests
  • Testing Policy
  • Configuration Changes
  • Browser chrome mochitests
  • Chrome Tests
  • Marionette
  • geckodriver
  • Test Verification
  • WebRender Tests
  • Mochitest
  • XPCShell tests
  • web-platform-tests
  • GTest
  • Fuzzing
  • Sanitizer
  • Performance Testing
  • Code coverage
  • Testing & Debugging Rust Code

Releases & Updates

  • Mozilla Update Infrastructure
  • Watershed Updates

Localization & Internationalization

  • Internationalization
  • Localization

Firefox and Python

  • mozbase
  • Using third-party Python packages

Metrics Collected in Firefox

  • Metrics
Firefox Source Docs
  • Services
  • Sync
  • External Links
  • Report an issue / View page source

External LinksΒΆ

Some external links that might be of interest:

  • Information about the server APIs

  • Some external Sync Client docs

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