Firefox Source Docs Logo

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
    • Guides
      • Bug pipeline
      • Bug Types
      • Other Bug Metadata
      • Priority Definitions
      • Defect Severity
      • Release Status Flags
    • Policies
      • What Needs My Attention
      • New Feature Triage
      • Regressions from GitHub
      • Triage for Bugzilla
    • Processes
      • Accessibility Review
      • User documentation requests
      • Fixing Security Bugs
      • GitHub Metadata Recommendations
      • How to Mark Regressions
      • Security Bug Approval Process
      • Shared Bug Queues
    • Related documentation

Firefox User Guide

  • Firefox DevTools User Docs

Source Code Documentation

  • Governance
  • Firefox Front-end
  • DOM
  • Editor
  • Style system (CSS) & Layout
  • Graphics
  • Processes, Threads and IPC
  • Firefox DevTools Contributor Docs
  • Toolkit
  • SpiderMonkey
  • GeckoView
  • Fenix
  • Focus for Android
  • WebIDL
  • libpref
  • Networking
  • Remote Protocols
  • Services
  • File Handling
  • Firefox on macOS
  • Firefox on Windows
  • Firefox AI Platform
  • Accessibility
  • Code quality
  • Writing Rust Code
  • Rust Components
  • Gecko Profiler
  • Performance
  • Database bindings (SQLite, KV, …)
  • XPCOM
  • NSPR
  • Network Security Services (NSS)
  • Web Security Checks in Gecko

The Firefox Build System

  • Mach
  • Pushing to Try
  • 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
  • Testing Policy
  • Configuration Changes
  • Browser chrome mochitests
  • Chrome Tests
  • Marionette
  • geckodriver
  • Test Verification
  • WebRender Tests
  • Mochitest
  • XPCShell tests
  • TPS
  • web-platform-tests
  • GTest
  • Fuzzing
  • Sanitizer
  • Performance Testing
  • Code coverage
  • Testing & Debugging Rust Code

Releases & Updates

  • Mozilla Update Infrastructure
  • Watershed Updates
  • Desupport Updates

Localization & Internationalization

  • Internationalization
  • Localization

Firefox and Python

  • mozbase
  • Using third-party Python packages

Metrics Collected in Firefox

  • Metrics
Firefox Source Docs
  • Bug Handling
  • Report an issue / View page source

Bug Handling¶

Guides¶

  • Bug pipeline
  • Bug Types
  • Other Bug Metadata
  • Priority Definitions
  • Defect Severity
  • Release Status Flags

Policies¶

  • What Needs My Attention
  • New Feature Triage
  • Regressions from GitHub
  • Triage for Bugzilla

Processes¶

  • Accessibility Review
  • User documentation requests
  • Fixing Security Bugs
  • GitHub Metadata Recommendations
  • How to Mark Regressions
  • Security Bug Approval Process
  • Shared Bug Queues

Related documentation¶

  • bugzilla.mozilla.org documentation

  • bugzilla.mozilla.org field definitions

  • Lando documentation

  • Mozilla Phabricator (Code Review) documentation

Previous Next

Built with Sphinx using a theme provided by Read the Docs.