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Overview

  • A Glossary of Common Terms
  • A Quick Guide to Mozilla Applications

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
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  • Firefox DevTools Contributor Docs
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  • Writing Rust Code
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  • Database bindings (SQLite, KV, …)
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  • Web Security Checks in Gecko

The Firefox Build System

  • Mach
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  • Build System
  • Firefox CI and Taskgraph
  • Managing Documentation
  • Vendoring Third Party Components

Testing & Test Infrastructure

  • Automated Testing
  • Understanding Treeherder Results
  • Sheriffed intermittent failures
  • Turning on Firefox tests for a new configuration
  • Avoiding intermittent tests
  • Debugging Intermittent Test Failures
  • Testing Policy
  • Configuration Changes
  • Browser chrome mochitests
  • Chrome Tests
  • Marionette
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  • Test Verification
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  • TPS
  • web-platform-tests
  • GTest
  • Fuzzing
  • Sanitizer
  • Performance Testing
  • Code coverage
  • Testing & Debugging Rust Code

Releases & Updates

  • Mozilla Update Infrastructure
  • Watershed Updates
  • Desupport Updates
  • Update Verify

Localization & Internationalization

  • Internationalization
  • Localization

Firefox and Python

  • mozbase
  • Using third-party Python packages

Metrics Collected in Firefox

  • Metrics
Firefox Source Docs
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Searching.

  • mozprofile — Create and modify Mozilla application profiles
  • mozrunner — Manage remote and local gecko processes
  • Background Task Mode
  • Buffers and Memory Management
  • Category manager indirection (callModulesFromCategory)
  • Configure Development Certificate
  • Content Relevancy
  • Data Sanitization
  • Debugging On macOS
  • Debugging WebRTC Calls
  • Default Browser Agent
  • Environment
  • Firefox for Desktop
  • Flags
  • Gecko

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